diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index 6488b6b..fea692f 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2011.11.26.153142"
+#define Cdrskin_timestamP "2011.11.30.081130"
diff --git a/libburn/libdax_msgs.h b/libburn/libdax_msgs.h
index 4866b24..a6a6f88 100644
--- a/libburn/libdax_msgs.h
+++ b/libburn/libdax_msgs.h
@@ -518,7 +518,7 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x0002014b (SORRY,HIGH)   = Drive is already registered resp. scanned
  0x0002014c (FATAL,HIGH)   = Emulated drive caught in SCSI function
  0x0002014d (SORRY,HIGH)   = Asynchromous SCSI error
- 0x0002014f (SORRY,HIGH)   = Timeout with asynchromous SCSI command
+ 0x0002014f (SORRY,HIGH)   = Timeout with asynchronous SCSI command
  0x00020150 (DEBUG,LOW)    = Reporting asynchronous waiting time
  0x00020151 (FAILURE,HIGH) = Read attempt on write-only drive
  0x00020152 (FATAL,HIGH)   = Cannot start fifo thread
@@ -576,6 +576,7 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x00020187 (NOTE,HIGH)    = Track not marked as damaged. No action taken.
  0x00020188 (FAILURE,HIGH) = Cannot close damaged track on given media type
  0x00020189 (FATAL,HIGH)   = Drive is already grabbed by libburn
+ 0x0002018a (SORRY,HIGH)   = Timeout exceeded. Retry cancled.
 
  libdax_audioxtr:
  0x00020200 (SORRY,HIGH)   = Cannot open audio source file
diff --git a/libburn/mmc.c b/libburn/mmc.c
index acbc57c..c8cb73d 100644
--- a/libburn/mmc.c
+++ b/libburn/mmc.c
@@ -357,6 +357,7 @@ int mmc_reserve_track(struct burn_drive *d, off_t size)
 
 	c->page = NULL;
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_reserve_timeouT;
 	d->issue_command(d, c);
 	if (c->error) {
 		d->cancel = 1;
@@ -588,6 +589,7 @@ void mmc_close(struct burn_drive *d, int session, int track)
 	c->opcode[5] = track & 0xFF;
 	c->page = NULL;
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_close_timeouT;
 	d->issue_command(d, c);
 
 	/* ts A70918 : Immed : wait for drive to complete command */
@@ -855,6 +857,7 @@ void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
 	mmc_int_to_four_char(c->opcode + 6, len);
 	c->page = buf;
 	c->dir = TO_DRIVE;
+	c->timeout = Libburn_scsi_write_timeouT;
 
 	d->issue_command(d, c);
 
@@ -863,6 +866,7 @@ void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
 	d->pbf_altered = 1;
 }
 
+
 int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
 {
 	int cancelled;
@@ -935,6 +939,7 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
 	c->retry = 1;
 	c->page = buf;
 	c->dir = TO_DRIVE;
+	c->timeout = Libburn_scsi_write_timeouT;
 
 #ifdef Libburn_log_in_and_out_streaM
 	/* <<< ts A61031 */
@@ -2271,6 +2276,7 @@ void mmc_erase(struct burn_drive *d, int fast)
 	c->retry = 1;
 	c->page = NULL;
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_blank_timeouT;
 	d->issue_command(d, c);
 }
 
@@ -2313,6 +2319,7 @@ void mmc_perform_opc(struct burn_drive *d)
 	c->opcode[1] = 1;
 	c->page = NULL;
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_opc_timeouT;
 	d->issue_command(d, c);
 }
 
@@ -2969,6 +2976,7 @@ void mmc_sync_cache(struct burn_drive *d)
 	c->opcode[1] |= 2; /* ts A70918 : Immed */
 	c->page = NULL;
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_sync_timeouT;
 
 	libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
 			   LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
@@ -3113,6 +3121,7 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
 	c->page->bytes = 12;
 	c->page->sectors = 0;
 	c->dir = TO_DRIVE;
+	c->timeout = Libburn_mmc_blank_timeouT;
 	memset(c->page->data, 0, c->page->bytes);
 
 	descr[0] = 0;
diff --git a/libburn/sbc.c b/libburn/sbc.c
index 344d69f..d29f167 100644
--- a/libburn/sbc.c
+++ b/libburn/sbc.c
@@ -67,6 +67,7 @@ void sbc_load(struct burn_drive *d)
 	/* c->opcode[1] |= 1; / * ts A70918 : Immed */
 
 	c->dir = NO_TRANSFER;
+	c->timeout = Libburn_mmc_load_timeouT;
 	d->issue_command(d, c);
 	if (c->error)
 		return;
diff --git a/libburn/sg-freebsd.c b/libburn/sg-freebsd.c
index 5818935..387a3df 100644
--- a/libburn/sg-freebsd.c
+++ b/libburn/sg-freebsd.c
@@ -768,10 +768,11 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 
 	mmc_function_spy(NULL, "sg_issue_command");
 
-	if (d->cam == NULL) {
-		c->error = 0;
+	c->error = 0;
+	memset(c->sense, 0, sizeof(c->sense));
+
+	if (d->cam == NULL)
 		return 0;
-	}
 	if (burn_sg_log_scsi & 1) {
 		if (fp == NULL) {
 			fp= fopen("/tmp/libburn_sg_command_log", "a");
@@ -783,6 +784,10 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 		scsi_log_cmd(c,fp,0);
 
 	c->error = 0;
+	if (c->timeout > 0)
+		timeout_ms = c->timeout;
+	else
+		timeout_ms = 200000;
 
 	ccb = cam_getccb(d->cam);
 	cam_fill_csio(&ccb->csio,
@@ -794,7 +799,7 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 				  0,                              /* dxfer_len */
 				  sizeof (ccb->csio.sense_data),  /* sense_len */
 				  0,                              /* cdb_len */
-				  30*1000);                       /* timeout */
+				  timeout_ms);                    /* timeout */
 	switch (c->dir) {
 	case TO_DRIVE:
 		ccb->csio.ccb_h.flags |= CAM_DIR_OUT;
@@ -827,8 +832,6 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	ccb->csio.cdb_len = c->oplen;
 	memcpy(&ccb->csio.cdb_io.cdb_bytes, &c->opcode, c->oplen);
 	
-	memset(&ccb->csio.sense_data, 0, sizeof (ccb->csio.sense_data));
-
 	if (c->page) {
 		ccb->csio.data_ptr  = c->page->data;
 		if (c->dir == FROM_DRIVE) {
@@ -854,8 +857,9 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	}
 
 	start_time = time(NULL);
-	timeout_ms = 200000;
 	for (i = 0; !done; i++) {
+
+		memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
 		memset(c->sense, 0, sizeof(c->sense));
 		err = cam_send_ccb(d->cam, ccb);
 
@@ -963,6 +967,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 						sense_len, 0, start_time,
 						timeout_ms, i,
 						2 | !!ignore_error);
+			if (d->cancel)
+				done = 1;
 		} else {
 			done = 1;
 		}
diff --git a/libburn/sg-libcdio.c b/libburn/sg-libcdio.c
index aab963e..f2cea51 100644
--- a/libburn/sg-libcdio.c
+++ b/libburn/sg-libcdio.c
@@ -627,6 +627,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	cdio_mmc_request_sense_t *sense_pt = NULL;
 
 	c->error = 0;
+	memset(c->sense, 0, sizeof(c->sense));
+
 	if (d->p_cdio == NULL) {
 		return 0;
 	}
@@ -660,11 +662,16 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 		
 	/* retry-loop */
 	start_time = time(NULL);
-	timeout_ms = 200000;
+	if (c->timeout > 0)
+		timeout_ms = c->timeout;
+	else
+		timeout_ms = 200000;
 	for(i = 0; !done; i++) {
 
+		memset(c->sense, 0, sizeof(c->sense));
 		i_status = mmc_run_cmd(p_cdio, timeout_ms, &cdb, e_direction,
 				 	dxfer_len, c->page->data);
+
 		sense_valid = mmc_last_cmd_sense(p_cdio, &sense_pt);
 		if (sense_valid >= 18) {
 			memcpy(c->sense, (unsigned char *) sense_pt,
@@ -711,6 +718,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 			sense_len = 0;
 		done = scsi_eval_cmd_outcome(d, c, fp,  c->sense, sense_len,
 					0, start_time, timeout_ms, i, 2);
+		if (d->cancel)
+			done = 1;
 
 	} /* end of retry-loop */
 
diff --git a/libburn/sg-linux.c b/libburn/sg-linux.c
index fb6ec73..13510f5 100644
--- a/libburn/sg-linux.c
+++ b/libburn/sg-linux.c
@@ -1898,6 +1898,9 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 
 	BURN_ALLOC_MEM(msg, char, 161);
 
+	c->error = 0;
+	memset(c->sense, 0, sizeof(c->sense));
+
 	/* <<< ts A60821
 	   debug: for tracing calls which might use open drive fds */
 	sprintf(msg, "sg_issue_command   d->fd= %d  d->released= %d\n",
@@ -1950,8 +1953,10 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	s.cmdp = c->opcode;
 	s.mx_sb_len = 32;
 	s.sbp = c->sense;
-	memset(c->sense, 0, sizeof(c->sense));
-	s.timeout = 200000;
+	if (c->timeout > 0)
+		s.timeout = c->timeout;
+	else
+		s.timeout = Libburn_scsi_default_timeouT;
 	if (c->page && !no_c_page) {
 		s.dxferp = c->page->data;
 		if (c->dir == FROM_DRIVE) {
@@ -1985,6 +1990,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 
 	start_time = time(NULL);
 	for(i = 0; !done; i++) {
+
+		memset(c->sense, 0, sizeof(c->sense));
 		err = ioctl(d->fd, SG_IO, &s);
 
 		/* ts A61010 */
@@ -2003,6 +2010,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 		}
                 done = scsi_eval_cmd_outcome(d, c, fp, s.sbp, s.sb_len_wr,
 				s.duration, start_time, s.timeout, i, 0);
+		if (d->cancel)
+			done = 1;
 	}
 
 	if (s.host_status != Libburn_sg_host_oK || 
diff --git a/libburn/sg-solaris.c b/libburn/sg-solaris.c
index 3c5818b..6286549 100644
--- a/libburn/sg-solaris.c
+++ b/libburn/sg-solaris.c
@@ -586,6 +586,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
         static FILE *fp = NULL;
 
 	c->error = 0;
+	memset(c->sense, 0, sizeof(c->sense));
+
 	if (d->fd == -1)
 		return 0;
 
@@ -599,13 +601,17 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	if (burn_sg_log_scsi & 3)
 		scsi_log_cmd(c,fp,0);
 
+	if (c->timeout > 0)
+		timeout_ms = c->timeout;
+	else
+		timeout_ms = 200000;
 	memset (&cgc, 0, sizeof (struct uscsi_cmd));
 	/* No error messages, no retries,
            do not execute with other commands, request sense data
 	*/
 	cgc.uscsi_flags = USCSI_SILENT | USCSI_DIAGNOSE | USCSI_ISOLATE
 				| USCSI_RQENABLE;
-	cgc.uscsi_timeout = 200;
+	cgc.uscsi_timeout = timeout_ms / 1000;
 	cgc.uscsi_cdb = (caddr_t) c->opcode;
 	cgc.uscsi_bufaddr = (caddr_t) c->page->data;
 	if (c->dir == TO_DRIVE) {
@@ -628,7 +634,6 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 
 	/* retry-loop */
 	start_time = time(NULL);
-	timeout_ms = 200000;
 	for(i = 0; !done; i++) {
 
 		memset(c->sense, 0, sizeof(c->sense));
@@ -666,6 +671,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 			sense_len = 0;
 		done = scsi_eval_cmd_outcome(d, c, fp, c->sense, sense_len, 0,
 						start_time, timeout_ms, i, 2);
+		if (d->cancel)
+			done = 1;
 					
 	} /* end of retry-loop */
 
diff --git a/libburn/spc.c b/libburn/spc.c
index fb74bb4..87499bc 100644
--- a/libburn/spc.c
+++ b/libburn/spc.c
@@ -73,6 +73,7 @@ int scsi_init_command(struct command *c, unsigned char *opcode, int oplen)
 	c->error = 0;
 	c->retry = 0;
 	c->page = NULL;
+	c->timeout = Libburn_scsi_default_timeouT;
 	return 1;
 }
 
@@ -1655,13 +1656,14 @@ int scsi_eval_cmd_outcome(struct burn_drive *d, struct command *c, void *fp,
 			int loop_count, int flag)
 {
 	enum response outcome;
-	int done = -1, usleep_time;
+	int done = -1, usleep_time, ret;
+	char *msg = NULL;
 
 	if (burn_sg_log_scsi & 3)
 		scsi_log_err(c, fp, sense, sense_len, duration,
 				 (sense_len > 0) | (flag & 2));
 	if (sense_len <= 0)
-		return 1;
+		{done = 1; goto ex;}
 		
 	outcome = scsi_error(d, sense, sense_len);
 	if (outcome == RETRY && c->retry && !(flag & 1)) {
@@ -1671,22 +1673,36 @@ int scsi_eval_cmd_outcome(struct burn_drive *d, struct command *c, void *fp,
 				loop_count * Libburn_scsi_retry_incR;
 		if (time(NULL) + usleep_time / 1000000 - start_time >
 		    timeout_ms / 1000 + 1) {
+			BURN_ALLOC_MEM(msg, char, 320);
+			sprintf(msg,
+				"Timeout exceed (%d ms). Retry canceled.\n",
+				timeout_ms);
+			libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x0002018a,
+				LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
+				msg, 0, 0);
 			done = 1;
-			goto ex;
+			goto err_ex;
 		}
+		if (d->cancel)
+			{done = 1; goto ex;}
 		usleep(usleep_time);
+		if (d->cancel)
+			{done = 1; goto ex;}
 		if (burn_sg_log_scsi & 3) 
 			scsi_log_cmd(c, fp, 0);
-		return 0;
+		{done = 0; goto ex;}
 	} else if (outcome == RETRY) {
 		done = 1;
 	} else if (outcome == GO_ON) {
-		return 1;
+		{done = 1; goto ex;}
 	} else if (outcome == FAIL) {
 		done = 1;
 	}
-ex:;
+err_ex:;
 	c->error = 1;
 	scsi_notify_error(d, c, sense, sense_len, 0);
+ex:;
+	BURN_FREE_MEM(msg);
 	return done;
 }
diff --git a/libburn/spc.h b/libburn/spc.h
index 63fbdd1..ca4c95d 100644
--- a/libburn/spc.h
+++ b/libburn/spc.h
@@ -118,4 +118,29 @@ int scsi_eval_cmd_outcome(struct burn_drive *d, struct command *c, void *fp_in,
 #define Libburn_scsi_retry_incR   100000
 
 
+/* ts B11124 */
+/* Millisecond timeout for quickly responding SPC, SBC, and MMC commands */
+#define Libburn_scsi_default_timeouT          30000
+
+/* WRITE(10) and WRITE(12) */
+#define Libburn_scsi_write_timeouT           200000
+
+/* RESERVE TRACK */
+#define Libburn_mmc_reserve_timeouT          200000
+
+/* CLOSE TRACK/SESSION (with Immed bit) */
+#define Libburn_mmc_close_timeouT            200000
+
+/* BLANK , FORMAT UNIT (with Immed bit) */
+#define Libburn_mmc_blank_timeouT            200000
+
+/* SEND OPC INFORMATION */
+#define Libburn_mmc_opc_timeouT              200000
+
+/* MMC_SYNC_CACHE */
+#define Libburn_mmc_sync_timeouT             200000
+
+/* START STOP UNIT with Start bit and Load bit set */
+#define Libburn_mmc_load_timeouT             300000
+
 #endif /*__SPC*/
diff --git a/libburn/transport.h b/libburn/transport.h
index b8aa636..c99d3a4 100644
--- a/libburn/transport.h
+++ b/libburn/transport.h
@@ -64,6 +64,7 @@ struct command
 	int error;
 	int retry;
 	struct buffer *page;
+	int timeout; /* milliseconds */
 };
 
 struct burn_scsi_inquiry_data