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Updated information about reproducibility and Linux kernel sr lock

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This commit is contained in:
Thomas Schmitt 2025-04-24 11:46:04 +02:00
parent 972bca87ff
commit bc0c639ec8
9 changed files with 261 additions and 182 deletions
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22
xorriso/xorrecord.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps .\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1) .\" other parameters are allowed: see man(7), man(1)
.TH XORRECORD 1 "Version 1.5.7, Apr 19, 2024" .TH XORRECORD 1 "Version 1.5.7, Apr 24, 2025"
.\" Please adjust this date whenever revising the manpage. .\" Please adjust this date whenever revising the manpage.
.\" .\"
.\" Some roff macros, for reference: .\" Some roff macros, for reference:
@ -544,21 +544,21 @@ while a xorrecord burn run is going on.
\fBdrive_scsi_dev_family=sr|scd|sg|default\fR \fBdrive_scsi_dev_family=sr|scd|sg|default\fR
GNU/Linux specific: GNU/Linux specific:
.br .br
By default, cdrskin tries to map Linux drive addresses to /dev/sr* before By default, xorrecord tries to map Linux drive addresses to /dev/sr* before
they get opened for operating the drive. This coordinates well with they get opened for operating the drive. This coordinates well with
other use cases of optical drives, like mount(8). But since year 2010 other use cases of optical drives, like mount(8). But between year 2010 and
all /dev/sr* share a global lock which allows only one drive to process 2020 all /dev/sr* shared a global lock which allowed only one drive to process
an SCSI command while all others have to wait for its completion. an SCSI command while all others had to wait for its completion.
This yields awful throughput if more than one drive is writing or reading This yielded awful throughput if more than one drive was writing or reading
simultaneously. simultaneously.
.br .br
The global lock is not applied to device files /dev/sg* and also not with The global lock was never applied to device files /dev/sg* and also not with
the system calls read(2), write(2). But ioctl(SG_IO) is affected, which is the system calls read(2), write(2). But ioctl(SG_IO) was affected, which is
needed to perform the SCSI commands for optical burning. needed to perform the SCSI commands for optical burning.
.br .br
So for simultaneous burn runs on modern GNU/Linux it is advisable to use So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is advisable to use
drive_scsi_dev_family="sg". The drive addresses may then well be given as drive_scsi_dev_family="sg". The drive addresses may then well be given as
/dev/sr* but will nevertheless get used as /dev/sg*. /dev/sr*, but will nevertheless get used as /dev/sg*.
.TP .TP
\fB--grow_overwriteable_iso\fR \fB--grow_overwriteable_iso\fR
Enable emulation of multi\-session writing on overwritable media which Enable emulation of multi\-session writing on overwritable media which
@ -902,7 +902,7 @@ Thomas Schmitt <scdbackup@gmx.net>
.br .br
for libburnia\-project.org for libburnia\-project.org
.SH COPYRIGHT .SH COPYRIGHT
Copyright (c) 2011 \- 2024 Thomas Schmitt Copyright (c) 2011 \- 2025 Thomas Schmitt
.br .br
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make use modified in sync with the technical properties of xorriso. If you make use

103
xorriso/xorrecord.info
View File

@ -511,21 +511,22 @@ File: xorrecord.info, Node: NonCdrecord, Next: ExDevices, Prev: Verbose, Up:
cause drive activities while a xorrecord burn run is going on. cause drive activities while a xorrecord burn run is going on.
drive_scsi_dev_family=sr|scd|sg|default drive_scsi_dev_family=sr|scd|sg|default
GNU/Linux specific: GNU/Linux specific:
By default, cdrskin tries to map Linux drive addresses to /dev/sr* By default, xorrecord tries to map Linux drive addresses to
before they get opened for operating the drive. This coordinates /dev/sr* before they get opened for operating the drive. This
well with other use cases of optical drives, like mount(8). But coordinates well with other use cases of optical drives, like
since year 2010 all /dev/sr* share a global lock which allows only mount(8). But between year 2010 and 2020 all /dev/sr* shared a
one drive to process an SCSI command while all others have to wait global lock which allowed only one drive to process an SCSI command
for its completion. This yields awful throughput if more than one while all others had to wait for its completion. This yielded
drive is writing or reading simultaneously. awful throughput if more than one drive was writing or reading
The global lock is not applied to device files /dev/sg* and also simultaneously.
not with the system calls read(2), write(2). But ioctl(SG_IO) is The global lock was never applied to device files /dev/sg* and also
not with the system calls read(2), write(2). But ioctl(SG_IO) was
affected, which is needed to perform the SCSI commands for optical affected, which is needed to perform the SCSI commands for optical
burning. burning.
So for simultaneous burn runs on modern GNU/Linux it is advisable So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is
to use drive_scsi_dev_family="sg". The drive addresses may then advisable to use drive_scsi_dev_family="sg". The drive addresses
well be given as /dev/sr* but will nevertheless get used as may then well be given as /dev/sr*, but will nevertheless get used
/dev/sg*. as /dev/sg*.
--grow_overwriteable_iso --grow_overwriteable_iso
Enable emulation of multi-session writing on overwritable media Enable emulation of multi-session writing on overwritable media
which contain an ISO 9660 filesystem. This emulation is learned which contain an ISO 9660 filesystem. This emulation is learned
@ -893,7 +894,7 @@ for libburnia-project.org
10.2 Copyright 10.2 Copyright
============== ==============
Copyright (c) 2011 - 2024 Thomas Schmitt Copyright (c) 2011 - 2025 Thomas Schmitt
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make modified in sync with the technical properties of xorriso. If you make
use of the license to derive modified versions of xorriso then you are use of the license to derive modified versions of xorriso then you are
@ -919,15 +920,15 @@ File: xorrecord.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T
* Menu: * Menu:
* --bdr_obs_exempt write transaction end padding: NonCdrecord. * --bdr_obs_exempt write transaction end padding: NonCdrecord.
(line 92) (line 93)
* --devices get list of drives: DriveAddr. (line 8) * --devices get list of drives: DriveAddr. (line 8)
* --drive_not_exclusive use drive even if busy: NonCdrecord. (line 12) * --drive_not_exclusive use drive even if busy: NonCdrecord. (line 12)
* --grow_overwriteable_iso emulate ISO 9660 multi-session: NonCdrecord. * --grow_overwriteable_iso emulate ISO 9660 multi-session: NonCdrecord.
(line 37) (line 38)
* --multi_if_possible apply -multi if medium is suitable: NonCdrecord. * --multi_if_possible apply -multi if medium is suitable: NonCdrecord.
(line 57) (line 58)
* --no_rc do not execute xorriso startup files: NonCdrecord. (line 8) * --no_rc do not execute xorriso startup files: NonCdrecord. (line 8)
* --obs_pad write transaction end padding: NonCdrecord. (line 81) * --obs_pad write transaction end padding: NonCdrecord. (line 82)
* -atip inquire medium state: Inquire. (line 14) * -atip inquire medium state: Inquire. (line 14)
* -checkdrive inquire drive CD capabilities: Inquire. (line 11) * -checkdrive inquire drive CD capabilities: Inquire. (line 11)
* -dao explicitly set write type SAO/DAO: SetBurn. (line 172) * -dao explicitly set write type SAO/DAO: SetBurn. (line 172)
@ -939,7 +940,7 @@ File: xorrecord.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T
* -inq inquire drive identifiers: Inquire. (line 8) * -inq inquire drive identifiers: Inquire. (line 8)
* -isosize obtain track size from ISO 9660 superblock: SetBurn. * -isosize obtain track size from ISO 9660 superblock: SetBurn.
(line 137) (line 137)
* -modesty_on_drive keep drive buffer hungry: NonCdrecord. (line 98) * -modesty_on_drive keep drive buffer hungry: NonCdrecord. (line 99)
* -msinfo retrieve multi-session info: Inquire. (line 43) * -msinfo retrieve multi-session info: Inquire. (line 43)
* -multi keep media appendable after burn run: SetBurn. (line 89) * -multi keep media appendable after burn run: SetBurn. (line 89)
* -nopad disable adding of bytes to end of track: SetBurn. (line 151) * -nopad disable adding of bytes to end of track: SetBurn. (line 151)
@ -956,18 +957,18 @@ File: xorrecord.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T
* dev= address the drive to be used: DriveAddr. (line 21) * dev= address the drive to be used: DriveAddr. (line 21)
* drive_scsi_dev_family= Linux device type to be used: NonCdrecord. * drive_scsi_dev_family= Linux device type to be used: NonCdrecord.
(line 20) (line 20)
* dvd_obs= set write transaction payload size: NonCdrecord. (line 74) * dvd_obs= set write transaction payload size: NonCdrecord. (line 75)
* fs= set program fifo size: SetBurn. (line 174) * fs= set program fifo size: SetBurn. (line 174)
* minbuf= keep drive buffer hungry: SetBurn. (line 205) * minbuf= keep drive buffer hungry: SetBurn. (line 205)
* padsize= add bytes to end of track: SetBurn. (line 144) * padsize= add bytes to end of track: SetBurn. (line 144)
* speed= set write speed: SetBurn. (line 189) * speed= set write speed: SetBurn. (line 189)
* stdio_sync= control stdio buffer: NonCdrecord. (line 150) * stdio_sync= control stdio buffer: NonCdrecord. (line 151)
* stream_recording= try to get full speed on DVD-RAM, BD: NonCdrecord. * stream_recording= try to get full speed on DVD-RAM, BD: NonCdrecord.
(line 64) (line 65)
* tsize= set a fixed track size: SetBurn. (line 126) * tsize= set a fixed track size: SetBurn. (line 126)
* use_immed_bit= control use of Immed bit: NonCdrecord. (line 135) * use_immed_bit= control use of Immed bit: NonCdrecord. (line 136)
* write_start_address= set block address for write start: NonCdrecord. * write_start_address= set block address for write start: NonCdrecord.
(line 144) (line 145)
 
File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
@ -979,10 +980,10 @@ File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* Menu: * Menu:
* Accessing drive, wait for stdin, -waiti: SetBurn. (line 113) * Accessing drive, wait for stdin, -waiti: SetBurn. (line 113)
* Blank, format, Immed bit, use_immed_bit=: NonCdrecord. (line 135) * Blank, format, Immed bit, use_immed_bit=: NonCdrecord. (line 136)
* Bugs, reporting: Bugreport. (line 6) * Bugs, reporting: Bugreport. (line 6)
* Data track, announce, -data: SetBurn. (line 157) * Data track, announce, -data: SetBurn. (line 157)
* Defect management, control, stream_recording=: NonCdrecord. (line 64) * Defect management, control, stream_recording=: NonCdrecord. (line 65)
* Drive, address, dev=: DriveAddr. (line 21) * Drive, address, dev=: DriveAddr. (line 21)
* Drive, get list of, --devices: DriveAddr. (line 8) * Drive, get list of, --devices: DriveAddr. (line 8)
* Drive, inquire CD capabilities, -checkdrive: Inquire. (line 11) * Drive, inquire CD capabilities, -checkdrive: Inquire. (line 11)
@ -995,11 +996,11 @@ File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* Examples: Examples. (line 6) * Examples: Examples. (line 6)
* Fifo, set size, fs=: SetBurn. (line 174) * Fifo, set size, fs=: SetBurn. (line 174)
* Full speed, on DVD-RAM and BD, stream_recording=: NonCdrecord. * Full speed, on DVD-RAM and BD, stream_recording=: NonCdrecord.
(line 64) (line 65)
* Media types, _definiton: Standards. (line 23) * Media types, _definiton: Standards. (line 23)
* Media, blank, blank=: SetBurn. (line 28) * Media, blank, blank=: SetBurn. (line 28)
* Media, format, blank=: SetBurn. (line 28) * Media, format, blank=: SetBurn. (line 28)
* Media, keep appendable, --multi_if_possible: NonCdrecord. (line 57) * Media, keep appendable, --multi_if_possible: NonCdrecord. (line 58)
* Media, keep appendable, -multi: SetBurn. (line 89) * Media, keep appendable, -multi: SetBurn. (line 89)
* Media, make re-usable, blank=: SetBurn. (line 28) * Media, make re-usable, blank=: SetBurn. (line 28)
* medium content, inquire, -toc: Inquire. (line 22) * medium content, inquire, -toc: Inquire. (line 22)
@ -1007,7 +1008,7 @@ File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* MMC, _definiton: Standards. (line 6) * MMC, _definiton: Standards. (line 6)
* multi-session info, retrieve, -msinfo: Inquire. (line 43) * multi-session info, retrieve, -msinfo: Inquire. (line 43)
* Multi-session, emulate ISO 9660, --grow_overwriteable_iso: NonCdrecord. * Multi-session, emulate ISO 9660, --grow_overwriteable_iso: NonCdrecord.
(line 37) (line 38)
* Options, overview, -help: Verbose. (line 30) * Options, overview, -help: Verbose. (line 30)
* Overwritable media, _definiton: Standards. (line 30) * Overwritable media, _definiton: Standards. (line 30)
* Padding, at end of track, padsize=: SetBurn. (line 144) * Padding, at end of track, padsize=: SetBurn. (line 144)
@ -1023,23 +1024,23 @@ File: xorrecord.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* Track size, set fixed, tsize=: SetBurn. (line 126) * Track size, set fixed, tsize=: SetBurn. (line 126)
* Track, _definiton: Standards. (line 13) * Track, _definiton: Standards. (line 13)
* Transaction end padding, BD-R, -bdr_obs_exempt: NonCdrecord. * Transaction end padding, BD-R, -bdr_obs_exempt: NonCdrecord.
(line 92) (line 93)
* Transaction end padding, enforce, -obs_pad: NonCdrecord. (line 81) * Transaction end padding, enforce, -obs_pad: NonCdrecord. (line 82)
* Transaction size, set, dvd_obs=: NonCdrecord. (line 74) * Transaction size, set, dvd_obs=: NonCdrecord. (line 75)
* Tray, eject, -eject: SetBurn. (line 214) * Tray, eject, -eject: SetBurn. (line 214)
* Verbosity, increase, -v: Verbose. (line 16) * Verbosity, increase, -v: Verbose. (line 16)
* Verbosity, SCSI commands, -V: Verbose. (line 20) * Verbosity, SCSI commands, -V: Verbose. (line 20)
* Version, report, -version: Verbose. (line 8) * Version, report, -version: Verbose. (line 8)
* Write simulation , control, -dummy: SetBurn. (line 106) * Write simulation , control, -dummy: SetBurn. (line 106)
* Write start address, set, write_start_address=: NonCdrecord. * Write start address, set, write_start_address=: NonCdrecord.
(line 144) (line 145)
* Write type, SAO/DAO, -dao: SetBurn. (line 172) * Write type, SAO/DAO, -dao: SetBurn. (line 172)
* Write type, SAO/DAO, -sao: SetBurn. (line 168) * Write type, SAO/DAO, -sao: SetBurn. (line 168)
* Write type, TAO, -tao: SetBurn. (line 162) * Write type, TAO, -tao: SetBurn. (line 162)
* Write, buffer syncing, stdio_sync=: NonCdrecord. (line 150) * Write, buffer syncing, stdio_sync=: NonCdrecord. (line 151)
* Write, drive buffer, -immed: SetBurn. (line 208) * Write, drive buffer, -immed: SetBurn. (line 208)
* Write, drive buffer, minbuf=: SetBurn. (line 205) * Write, drive buffer, minbuf=: SetBurn. (line 205)
* Write, drive buffer, modesty_on_drive=: NonCdrecord. (line 98) * Write, drive buffer, modesty_on_drive=: NonCdrecord. (line 99)
* xorriso, mkisofs emulation: Xorriso. (line 6) * xorriso, mkisofs emulation: Xorriso. (line 6)
* xorriso, options: Options. (line 6) * xorriso, options: Options. (line 6)
@ -1057,21 +1058,21 @@ Node: Inquire7618
Node: SetBurn10487 Node: SetBurn10487
Node: Verbose21111 Node: Verbose21111
Node: NonCdrecord22661 Node: NonCdrecord22661
Node: Examples31496 Node: Examples31526
Node: ExDevices32157 Node: ExDevices32187
Node: ExMedium32375 Node: ExMedium32405
Node: ExBlank32638 Node: ExBlank32668
Node: ExFormat32859 Node: ExFormat32889
Node: ExDeformat33377 Node: ExDeformat33407
Node: ExIsoSingle33644 Node: ExIsoSingle33674
Node: ExIsoMulti33928 Node: ExIsoMulti33958
Node: ExIsoFly35672 Node: ExIsoFly35702
Node: ExAfio36864 Node: ExAfio36894
Node: Files37862 Node: Files37892
Node: Seealso38418 Node: Seealso38448
Node: Bugreport38781 Node: Bugreport38811
Node: Legal39372 Node: Legal39402
Node: CommandIdx40301 Node: CommandIdx40331
Node: ConceptIdx44073 Node: ConceptIdx44103
 
End Tag Table End Tag Table

22
xorriso/xorrecord.texi
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@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps @c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1) @c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRECORD 1 "Version 1.5.7, Apr 19, 2024" @c man .TH XORRECORD 1 "Version 1.5.7, Apr 24, 2025"
@c man .\" Please adjust this date whenever revising the manpage. @c man .\" Please adjust this date whenever revising the manpage.
@c man .\" @c man .\"
@c man .\" Some roff macros, for reference: @c man .\" Some roff macros, for reference:
@ -753,21 +753,21 @@ while a xorrecord burn run is going on.
@cindex Drive, Linux device type, drive_scsi_dev_family @cindex Drive, Linux device type, drive_scsi_dev_family
GNU/Linux specific: GNU/Linux specific:
@* @*
By default, cdrskin tries to map Linux drive addresses to /dev/sr* before By default, xorrecord tries to map Linux drive addresses to /dev/sr* before
they get opened for operating the drive. This coordinates well with they get opened for operating the drive. This coordinates well with
other use cases of optical drives, like mount(8). But since year 2010 other use cases of optical drives, like mount(8). But between year 2010 and
all /dev/sr* share a global lock which allows only one drive to process 2020 all /dev/sr* shared a global lock which allowed only one drive to process
an SCSI command while all others have to wait for its completion. an SCSI command while all others had to wait for its completion.
This yields awful throughput if more than one drive is writing or reading This yielded awful throughput if more than one drive was writing or reading
simultaneously. simultaneously.
@* @*
The global lock is not applied to device files /dev/sg* and also not with The global lock was never applied to device files /dev/sg* and also not with
the system calls read(2), write(2). But ioctl(SG_IO) is affected, which is the system calls read(2), write(2). But ioctl(SG_IO) was affected, which is
needed to perform the SCSI commands for optical burning. needed to perform the SCSI commands for optical burning.
@* @*
So for simultaneous burn runs on modern GNU/Linux it is advisable to use So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is advisable to use
drive_scsi_dev_family="sg". The drive addresses may then well be given as drive_scsi_dev_family="sg". The drive addresses may then well be given as
/dev/sr* but will nevertheless get used as /dev/sg*. /dev/sr*, but will nevertheless get used as /dev/sg*.
@c man .TP @c man .TP
@item @minus{}@minus{}grow_overwriteable_iso @item @minus{}@minus{}grow_overwriteable_iso
@kindex @minus{}@minus{}grow_overwriteable_iso emulate ISO 9660 multi-session @kindex @minus{}@minus{}grow_overwriteable_iso emulate ISO 9660 multi-session
@ -1223,7 +1223,7 @@ Thomas Schmitt <scdbackup@@gmx.net>
for libburnia-project.org for libburnia-project.org
@c man .SH COPYRIGHT @c man .SH COPYRIGHT
@section Copyright @section Copyright
Copyright (c) 2011 - 2024 Thomas Schmitt Copyright (c) 2011 - 2025 Thomas Schmitt
@* @*
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make use modified in sync with the technical properties of xorriso. If you make use

37
xorriso/xorriso.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps .\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1) .\" other parameters are allowed: see man(7), man(1)
.TH XORRISO 1 "Version 1.5.7, Dec 19, 2024" .TH XORRISO 1 "Version 1.5.7, Apr 24, 2025"
.\" Please adjust this date whenever revising the manpage. .\" Please adjust this date whenever revising the manpage.
.\" .\"
.\" Some roff macros, for reference: .\" Some roff macros, for reference:
@ -315,7 +315,7 @@ the path of their block device or of their generic character device. E.g.
By default xorriso will try to map the given address to /dev/hd* and /dev/sr*. By default xorriso will try to map the given address to /dev/hd* and /dev/sr*.
The command \-scsi_dev_family can redirect the mapping from sr to scd or sg. The command \-scsi_dev_family can redirect the mapping from sr to scd or sg.
The latter does not suffer from the concurrency problems which plagued /dev/sr The latter does not suffer from the concurrency problems which plagued /dev/sr
of Linux kernels since version 3 up to 5.5. But it does not yield the same of Linux kernels since version 2.6 up to 5.5. But it does not yield the same
addresses which are used by mount(8) or by open(2) for read(2). addresses which are used by mount(8) or by open(2) for read(2).
.br .br
On FreeBSD the device files have names like On FreeBSD the device files have names like
@ -789,17 +789,17 @@ GNU/Linux specific:
.br .br
By default, xorriso tries to map Linux drive addresses to /dev/sr* before By default, xorriso tries to map Linux drive addresses to /dev/sr* before
they get opened for operating the drive. This coordinates well with they get opened for operating the drive. This coordinates well with
other use cases of optical drives, like mount(8). But since year 2010 other use cases of optical drives, like mount(8). But between year 2010 and
all /dev/sr* share a global lock which allows only one drive to process 2020 all /dev/sr* shared a global lock which allowed only one drive to process
an SCSI command while all others have to wait for its completion. an SCSI command while all others had to wait for its completion.
This yields awful throughput if more than one drive is writing or reading This yieldied awful throughput if more than one drive was writing or reading
simultaneously. simultaneously.
The global lock is not applied to device files /dev/sg* and also not if The global lock was never applied to device files /dev/sg* and also not if
the xorriso drive address is prepended by "stdio:". the xorriso drive address is prepended by "stdio:".
.br .br
So for simultaneous burn runs on modern GNU/Linux it is advisable to perform So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is advisable to
\-scsi_dev_family "sg" before any \-dev, \-indev, or \-outdev. The drive addresses perform \-scsi_dev_family "sg" before any \-dev, \-indev, or \-outdev. The drive
may then well be given as /dev/sr* but will nevertheless get used as addresses may then well be given as /dev/sr*, but will nevertheless get used as
the matching /dev/sg*. the matching /dev/sg*.
.br .br
If you decide so, consider to put the command into a global startup file like If you decide so, consider to put the command into a global startup file like
@ -7163,7 +7163,20 @@ then it is used as time value to set the default of
"volume_date_uuid", \-volume_date "all_file_dates" to "set_to_mtime", "volume_date_uuid", \-volume_date "all_file_dates" to "set_to_mtime",
and \-iso_nowtime to "=$SOURCE_DATE_EPOCH". and \-iso_nowtime to "=$SOURCE_DATE_EPOCH".
.br .br
Startup files and program options can override the effect of SOURCE_DATE_EPOCH. Startup files and program commands can override the effect of
SOURCE_DATE_EPOCH.
.br
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may be
desired in order to clearly define which xorriso version has to be used for
reproduction. But it may also be undesired because a wider range of xorriso
versions shall not be excluded from an attempt of reproduction.
.br
Use command \-preparer_id with a text other than "@xorriso@" if you want to
override the default at first production time. This command may also be used
to explicitly set the preparer id as found in an ISO 9660 filesystem which
shall be reproduced by a different version of xorriso. The id can be inquired
by command \-pvd_info.
.br .br
.SS .SS
.SH SEE ALSO .SH SEE ALSO
@ -7223,7 +7236,7 @@ Thomas Schmitt <scdbackup@gmx.net>
.br .br
for libburnia\-project.org for libburnia\-project.org
.SH COPYRIGHT .SH COPYRIGHT
Copyright (c) 2007 \- 2024 Thomas Schmitt Copyright (c) 2007 \- 2025 Thomas Schmitt
.br .br
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of \fBxorriso\fR. modified in sync with the technical properties of \fBxorriso\fR.

139
xorriso/xorriso.info
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@ -4,7 +4,7 @@ xorriso.texi.
xorriso - creates, loads, manipulates and writes ISO 9660 filesystem xorriso - creates, loads, manipulates and writes ISO 9660 filesystem
images with Rock Ridge extensions. images with Rock Ridge extensions.
Copyright (C) 2007 - 2024 Thomas Schmitt Copyright (C) 2007 - 2025 Thomas Schmitt
Permission is granted to distribute this text freely. Permission is granted to distribute this text freely.
INFO-DIR-SECTION Archiving INFO-DIR-SECTION Archiving
@ -287,7 +287,7 @@ character device. E.g.
By default xorriso will try to map the given address to /dev/hd* and By default xorriso will try to map the given address to /dev/hd* and
/dev/sr*. The command -scsi_dev_family can redirect the mapping from sr /dev/sr*. The command -scsi_dev_family can redirect the mapping from sr
to scd or sg. The latter does not suffer from the concurrency problems to scd or sg. The latter does not suffer from the concurrency problems
which plagued /dev/sr of Linux kernels since version 3 up to 5.5. But which plagued /dev/sr of Linux kernels since version 2.6 up to 5.5. But
it does not yield the same addresses which are used by mount(8) or by it does not yield the same addresses which are used by mount(8) or by
open(2) for read(2). open(2) for read(2).
On FreeBSD the device files have names like On FreeBSD the device files have names like
@ -727,16 +727,16 @@ acquire the drive.
By default, xorriso tries to map Linux drive addresses to /dev/sr* By default, xorriso tries to map Linux drive addresses to /dev/sr*
before they get opened for operating the drive. This coordinates before they get opened for operating the drive. This coordinates
well with other use cases of optical drives, like mount(8). But well with other use cases of optical drives, like mount(8). But
since year 2010 all /dev/sr* share a global lock which allows only between year 2010 and 2020 all /dev/sr* shared a global lock which
one drive to process an SCSI command while all others have to wait allowed only one drive to process an SCSI command while all others
for its completion. This yields awful throughput if more than one had to wait for its completion. This yieldied awful throughput if
drive is writing or reading simultaneously. The global lock is not more than one drive was writing or reading simultaneously. The
applied to device files /dev/sg* and also not if the xorriso drive global lock was never applied to device files /dev/sg* and also not
address is prepended by "stdio:". if the xorriso drive address is prepended by "stdio:".
So for simultaneous burn runs on modern GNU/Linux it is advisable So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is
to perform -scsi_dev_family "sg" before any -dev, -indev, or advisable to perform -scsi_dev_family "sg" before any -dev, -indev,
-outdev. The drive addresses may then well be given as /dev/sr* or -outdev. The drive addresses may then well be given as
but will nevertheless get used as the matching /dev/sg*. /dev/sr*, but will nevertheless get used as the matching /dev/sg*.
If you decide so, consider to put the command into a global startup If you decide so, consider to put the command into a global startup
file like /etc/opt/xorriso/rc. file like /etc/opt/xorriso/rc.
-grow_blindly "off"|predicted_nwa -grow_blindly "off"|predicted_nwa
@ -6055,8 +6055,19 @@ it is used as time value to set the default of -volume date "uuid", sets
-boot_image "any" "gpt_disk_guid=" to "volume_date_uuid", -volume_date -boot_image "any" "gpt_disk_guid=" to "volume_date_uuid", -volume_date
"all_file_dates" to "set_to_mtime", and -iso_nowtime to "all_file_dates" to "set_to_mtime", and -iso_nowtime to
"=$SOURCE_DATE_EPOCH". "=$SOURCE_DATE_EPOCH".
Startup files and program options can override the effect of Startup files and program commands can override the effect of
SOURCE_DATE_EPOCH. SOURCE_DATE_EPOCH.
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may
be desired in order to clearly define which xorriso version has to be
used for reproduction. But it may also be undesired because a wider
range of xorriso versions shall not be excluded from an attempt of
reproduction.
Use command -preparer_id with a text other than "@xorriso@" if you want
to override the default at first production time. This command may also
be used to explicitly set the preparer id as found in an ISO 9660
filesystem which shall be reproduced by a different version of xorriso.
The id can be inquired by command -pvd_info.
 
File: xorriso.info, Node: Seealso, Next: Bugreport, Prev: Environ, Up: Top File: xorriso.info, Node: Seealso, Next: Bugreport, Prev: Environ, Up: Top
@ -6115,7 +6126,7 @@ for libburnia-project.org
15.2 Copyright 15.2 Copyright
============== ==============
Copyright (c) 2007 - 2024 Thomas Schmitt Copyright (c) 2007 - 2025 Thomas Schmitt
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of 'xorriso'. If you modified in sync with the technical properties of 'xorriso'. If you
make use of the license to derive modified versions of 'xorriso' then make use of the license to derive modified versions of 'xorriso' then
@ -6768,55 +6779,55 @@ Node: Model3441
Node: Media6344 Node: Media6344
Node: Methods9265 Node: Methods9265
Node: Drives11851 Node: Drives11851
Node: Extras15803 Node: Extras15805
Node: Processing21905 Node: Processing21907
Node: Dialog25742 Node: Dialog25744
Node: Commands27431 Node: Commands27433
Node: ArgSort29108 Node: ArgSort29110
Node: AqDrive30602 Node: AqDrive30604
Node: Loading37759 Node: Loading37784
Node: Insert68512 Node: Insert68537
Node: SetInsert80707 Node: SetInsert80732
Node: Manip90943 Node: Manip90968
Node: CmdFind103439 Node: CmdFind103464
Node: Filter125299 Node: Filter125324
Node: Writing129921 Node: Writing129946
Node: SetWrite142415 Node: SetWrite142440
Node: Bootable173847 Node: Bootable173872
Node: Jigdo206581 Node: Jigdo206606
Node: Charset211584 Node: Charset211609
Node: Exception214913 Node: Exception214938
Node: DialogCtl221102 Node: DialogCtl221127
Node: Inquiry223704 Node: Inquiry223729
Node: Navigate236399 Node: Navigate236424
Node: Verify248452 Node: Verify248477
Node: Restore259601 Node: Restore259626
Node: Emulation271808 Node: Emulation271833
Node: Scripting283384 Node: Scripting283409
Node: Frontend291639 Node: Frontend291664
Node: Examples301265 Node: Examples301290
Node: ExDevices302443 Node: ExDevices302468
Node: ExCreate303104 Node: ExCreate303129
Node: ExDialog304404 Node: ExDialog304429
Node: ExGrowing305675 Node: ExGrowing305700
Node: ExModifying306484 Node: ExModifying306509
Node: ExBootable306994 Node: ExBootable307019
Node: ExCharset307549 Node: ExCharset307574
Node: ExPseudo308445 Node: ExPseudo308470
Node: ExCdrecord309372 Node: ExCdrecord309397
Node: ExMkisofs309692 Node: ExMkisofs309717
Node: ExGrowisofs311589 Node: ExGrowisofs311614
Node: ExException312742 Node: ExException312767
Node: ExTime313200 Node: ExTime313225
Node: ExIncBackup313658 Node: ExIncBackup313683
Node: ExRestore317684 Node: ExRestore317709
Node: ExRecovery318630 Node: ExRecovery318655
Node: Files319202 Node: Files319227
Node: Environ320536 Node: Environ320561
Node: Seealso321284 Node: Seealso322000
Node: Bugreport322084 Node: Bugreport322800
Node: Legal322675 Node: Legal323391
Node: CommandIdx323687 Node: CommandIdx324403
Node: ConceptIdx342993 Node: ConceptIdx343709
 
End Tag Table End Tag Table

39
xorriso/xorriso.texi
View File

@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps @c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1) @c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISO 1 "Version 1.5.7, Dec 19, 2024" @c man .TH XORRISO 1 "Version 1.5.7, Apr 24, 2025"
@c man .\" Please adjust this date whenever revising the manpage. @c man .\" Please adjust this date whenever revising the manpage.
@c man .\" @c man .\"
@c man .\" Some roff macros, for reference: @c man .\" Some roff macros, for reference:
@ -69,7 +69,7 @@
xorriso - creates, loads, manipulates and writes ISO 9660 filesystem images xorriso - creates, loads, manipulates and writes ISO 9660 filesystem images
with Rock Ridge extensions. with Rock Ridge extensions.
Copyright @copyright{} 2007 - 2024 Thomas Schmitt Copyright @copyright{} 2007 - 2025 Thomas Schmitt
@quotation @quotation
Permission is granted to distribute this text freely. Permission is granted to distribute this text freely.
@ -447,7 +447,7 @@ the path of their block device or of their generic character device. E.g.
By default xorriso will try to map the given address to /dev/hd* and /dev/sr*. By default xorriso will try to map the given address to /dev/hd* and /dev/sr*.
The command -scsi_dev_family can redirect the mapping from sr to scd or sg. The command -scsi_dev_family can redirect the mapping from sr to scd or sg.
The latter does not suffer from the concurrency problems which plagued /dev/sr The latter does not suffer from the concurrency problems which plagued /dev/sr
of Linux kernels since version 3 up to 5.5. But it does not yield the same of Linux kernels since version 2.6 up to 5.5. But it does not yield the same
addresses which are used by mount(8) or by open(2) for read(2). addresses which are used by mount(8) or by open(2) for read(2).
@* @*
On FreeBSD the device files have names like On FreeBSD the device files have names like
@ -1014,17 +1014,17 @@ GNU/Linux specific:
@* @*
By default, xorriso tries to map Linux drive addresses to /dev/sr* before By default, xorriso tries to map Linux drive addresses to /dev/sr* before
they get opened for operating the drive. This coordinates well with they get opened for operating the drive. This coordinates well with
other use cases of optical drives, like mount(8). But since year 2010 other use cases of optical drives, like mount(8). But between year 2010 and
all /dev/sr* share a global lock which allows only one drive to process 2020 all /dev/sr* shared a global lock which allowed only one drive to process
an SCSI command while all others have to wait for its completion. an SCSI command while all others had to wait for its completion.
This yields awful throughput if more than one drive is writing or reading This yieldied awful throughput if more than one drive was writing or reading
simultaneously. simultaneously.
The global lock is not applied to device files /dev/sg* and also not if The global lock was never applied to device files /dev/sg* and also not if
the xorriso drive address is prepended by "stdio:". the xorriso drive address is prepended by "stdio:".
@* @*
So for simultaneous burn runs on modern GNU/Linux it is advisable to perform So for simultaneous burn runs on GNU/Linux 2.6 to 5.5 it is advisable to
-scsi_dev_family "sg" before any -dev, -indev, or -outdev. The drive addresses perform -scsi_dev_family "sg" before any -dev, -indev, or -outdev. The drive
may then well be given as /dev/sr* but will nevertheless get used as addresses may then well be given as /dev/sr*, but will nevertheless get used as
the matching /dev/sg*. the matching /dev/sg*.
@* @*
If you decide so, consider to put the command into a global startup file like If you decide so, consider to put the command into a global startup file like
@ -8222,7 +8222,20 @@ then it is used as time value to set the default of
"volume_date_uuid", -volume_date "all_file_dates" to "set_to_mtime", "volume_date_uuid", -volume_date "all_file_dates" to "set_to_mtime",
and -iso_nowtime to "=$SOURCE_DATE_EPOCH". and -iso_nowtime to "=$SOURCE_DATE_EPOCH".
@* @*
Startup files and program options can override the effect of SOURCE_DATE_EPOCH. Startup files and program commands can override the effect of
SOURCE_DATE_EPOCH.
@*
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may be
desired in order to clearly define which xorriso version has to be used for
reproduction. But it may also be undesired because a wider range of xorriso
versions shall not be excluded from an attempt of reproduction.
@*
Use command -preparer_id with a text other than "@@xorriso@@" if you want to
override the default at first production time. This command may also be used
to explicitly set the preparer id as found in an ISO 9660 filesystem which
shall be reproduced by a different version of xorriso. The id can be inquired
by command -pvd_info.
@* @*
@sp 1 @sp 1
@c man .SS @c man .SS
@ -8330,7 +8343,7 @@ Thomas Schmitt <scdbackup@@gmx.net>
for libburnia-project.org for libburnia-project.org
@c man .SH COPYRIGHT @c man .SH COPYRIGHT
@section Copyright @section Copyright
Copyright (c) 2007 - 2024 Thomas Schmitt Copyright (c) 2007 - 2025 Thomas Schmitt
@* @*
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of @command{xorriso}. modified in sync with the technical properties of @command{xorriso}.

18
xorriso/xorrisofs.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps .\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1) .\" other parameters are allowed: see man(7), man(1)
.TH XORRISOFS 1 "Version 1.5.7, Dec 20, 2024" .TH XORRISOFS 1 "Version 1.5.7, Apr 24, 2025"
.\" Please adjust this date whenever revising the manpage. .\" Please adjust this date whenever revising the manpage.
.\" .\"
.\" Some roff macros, for reference: .\" Some roff macros, for reference:
@ -2308,6 +2308,7 @@ HOME is used to find xorriso and mkisofs startup files.
.br .br
MKISOFSRC may be used to point the program to a mkisofs startup file. MKISOFSRC may be used to point the program to a mkisofs startup file.
.br .br
.sp 1
SOURCE_DATE_EPOCH belongs to the specs of reproducible\-builds.org. SOURCE_DATE_EPOCH belongs to the specs of reproducible\-builds.org.
It is supposed to be either undefined or to contain a decimal number It is supposed to be either undefined or to contain a decimal number
which tells the seconds since january 1st 1970. If it contains a number, which tells the seconds since january 1st 1970. If it contains a number,
@ -2319,6 +2320,19 @@ Further the "now" time for ISO nodes without disk source is then set to
the SOURCE_DATE_EPOCH value. the SOURCE_DATE_EPOCH value.
.br .br
Startup files and program options can override the effect of SOURCE_DATE_EPOCH. Startup files and program options can override the effect of SOURCE_DATE_EPOCH.
.br
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may be
desired in order to clearly define which xorriso version has to be used for
reproduction. But it may also be undesired because a wider range of xorriso
versions shall not be excluded from an attempt of reproduction.
.br
Use option \-p with a text other than "@xorriso@" if you want to
override the default at first production time. This option may also be used
to explicitly set the preparer id as found in an ISO 9660 filesystem which
shall be reproduced by a different version of xorriso. The id can be inquired
by the generic xorriso command \-pvd_info.
.br
.SS .SS
.SH SEE ALSO .SH SEE ALSO
.TP .TP
@ -2375,7 +2389,7 @@ Thomas Schmitt <scdbackup@gmx.net>
.br .br
for libburnia\-project.org for libburnia\-project.org
.SH COPYRIGHT .SH COPYRIGHT
Copyright (c) 2011 \- 2024 Thomas Schmitt Copyright (c) 2011 \- 2025 Thomas Schmitt
.br .br
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make use modified in sync with the technical properties of xorriso. If you make use

42
xorriso/xorrisofs.info
View File

@ -3,7 +3,7 @@ xorrisofs.texi.
xorrisofs - Emulation of ISO 9660 program mkisofs by program xorriso xorrisofs - Emulation of ISO 9660 program mkisofs by program xorriso
Copyright (C) 2011 - 2024 Thomas Schmitt Copyright (C) 2011 - 2025 Thomas Schmitt
Permission is granted to distribute this text freely. Permission is granted to distribute this text freely.
INFO-DIR-SECTION Archiving INFO-DIR-SECTION Archiving
@ -2010,16 +2010,28 @@ File: xorrisofs.info, Node: Environ, Next: Seealso, Prev: Files, Up: Top
The following environment variables influence the program behavior: The following environment variables influence the program behavior:
HOME is used to find xorriso and mkisofs startup files. HOME is used to find xorriso and mkisofs startup files.
MKISOFSRC may be used to point the program to a mkisofs startup file. MKISOFSRC may be used to point the program to a mkisofs startup file.
SOURCE_DATE_EPOCH belongs to the specs of reproducible-builds.org. It
is supposed to be either undefined or to contain a decimal number which SOURCE_DATE_EPOCH belongs to the specs of reproducible-builds.org.
tells the seconds since january 1st 1970. If it contains a number, then It is supposed to be either undefined or to contain a decimal number
it is used as time value to set the default of --modification-date=. which tells the seconds since january 1st 1970. If it contains a
--gpt_disk_guid defaults to "modification-date". The default of number, then it is used as time value to set the default of
--set_all_file_dates is then "set_to_mtime". Further the "now" time for --modification-date=. --gpt_disk_guid defaults to "modification-date".
ISO nodes without disk source is then set to the SOURCE_DATE_EPOCH The default of --set_all_file_dates is then "set_to_mtime". Further the
value. "now" time for ISO nodes without disk source is then set to the
SOURCE_DATE_EPOCH value.
Startup files and program options can override the effect of Startup files and program options can override the effect of
SOURCE_DATE_EPOCH. SOURCE_DATE_EPOCH.
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may
be desired in order to clearly define which xorriso version has to be
used for reproduction. But it may also be undesired because a wider
range of xorriso versions shall not be excluded from an attempt of
reproduction.
Use option -p with a text other than "@xorriso@" if you want to override
the default at first production time. This option may also be used to
explicitly set the preparer id as found in an ISO 9660 filesystem which
shall be reproduced by a different version of xorriso. The id can be
inquired by the generic xorriso command -pvd_info.
 
File: xorrisofs.info, Node: Seealso, Next: Bugreport, Prev: Environ, Up: Top File: xorrisofs.info, Node: Seealso, Next: Bugreport, Prev: Environ, Up: Top
@ -2076,7 +2088,7 @@ for libburnia-project.org
11.2 Copyright 11.2 Copyright
============== ==============
Copyright (c) 2011 - 2024 Thomas Schmitt Copyright (c) 2011 - 2025 Thomas Schmitt
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make modified in sync with the technical properties of xorriso. If you make
use of the license to derive modified versions of xorriso then you are use of the license to derive modified versions of xorriso then you are
@ -2627,10 +2639,10 @@ Node: ExIncBckAcc87277
Node: ExBootable88982 Node: ExBootable88982
Node: Files93164 Node: Files93164
Node: Environ94259 Node: Environ94259
Node: Seealso95132 Node: Seealso95834
Node: Bugreport95833 Node: Bugreport96535
Node: Legal96426 Node: Legal97128
Node: CommandIdx97323 Node: CommandIdx98025
Node: ConceptIdx114829 Node: ConceptIdx115531
 
End Tag Table End Tag Table

21
xorriso/xorrisofs.texi
View File

@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps @c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1) @c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISOFS 1 "Version 1.5.7, Dec 20, 2024" @c man .TH XORRISOFS 1 "Version 1.5.7, Apr 24, 2025"
@c man .\" Please adjust this date whenever revising the manpage. @c man .\" Please adjust this date whenever revising the manpage.
@c man .\" @c man .\"
@c man .\" Some roff macros, for reference: @c man .\" Some roff macros, for reference:
@ -68,7 +68,7 @@
@copying @copying
xorrisofs - Emulation of ISO 9660 program mkisofs by program xorriso xorrisofs - Emulation of ISO 9660 program mkisofs by program xorriso
Copyright @copyright{} 2011 - 2024 Thomas Schmitt Copyright @copyright{} 2011 - 2025 Thomas Schmitt
@quotation @quotation
Permission is granted to distribute this text freely. Permission is granted to distribute this text freely.
@ -2959,6 +2959,8 @@ HOME is used to find xorriso and mkisofs startup files.
@* @*
MKISOFSRC may be used to point the program to a mkisofs startup file. MKISOFSRC may be used to point the program to a mkisofs startup file.
@* @*
@sp 1
@c man .sp 1
SOURCE_DATE_EPOCH belongs to the specs of reproducible-builds.org. SOURCE_DATE_EPOCH belongs to the specs of reproducible-builds.org.
It is supposed to be either undefined or to contain a decimal number It is supposed to be either undefined or to contain a decimal number
which tells the seconds since january 1st 1970. If it contains a number, which tells the seconds since january 1st 1970. If it contains a number,
@ -2970,6 +2972,19 @@ Further the "now" time for ISO nodes without disk source is then set to
the SOURCE_DATE_EPOCH value. the SOURCE_DATE_EPOCH value.
@* @*
Startup files and program options can override the effect of SOURCE_DATE_EPOCH. Startup files and program options can override the effect of SOURCE_DATE_EPOCH.
@*
Be aware that by default xorriso puts its version information into the
Preparer Id field of the ISO 9660 Primary Volume Descriptor. This may be
desired in order to clearly define which xorriso version has to be used for
reproduction. But it may also be undesired because a wider range of xorriso
versions shall not be excluded from an attempt of reproduction.
@*
Use option -p with a text other than "@@xorriso@@" if you want to
override the default at first production time. This option may also be used
to explicitly set the preparer id as found in an ISO 9660 filesystem which
shall be reproduced by a different version of xorriso. The id can be inquired
by the generic xorriso command -pvd_info.
@*
@c man .SS @c man .SS
@c man .SH SEE ALSO @c man .SH SEE ALSO
@c man .TP @c man .TP
@ -3072,7 +3087,7 @@ Thomas Schmitt <scdbackup@@gmx.net>
for libburnia-project.org for libburnia-project.org
@c man .SH COPYRIGHT @c man .SH COPYRIGHT
@section Copyright @section Copyright
Copyright (c) 2011 - 2024 Thomas Schmitt Copyright (c) 2011 - 2025 Thomas Schmitt
@* @*
Permission is granted to distribute this text freely. It shall only be Permission is granted to distribute this text freely. It shall only be
modified in sync with the technical properties of xorriso. If you make use modified in sync with the technical properties of xorriso. If you make use