diff --git a/libisoburn/trunk/libisoburn/burn_wrap.c b/libisoburn/trunk/libisoburn/burn_wrap.c
index 04a24743..cad68e1f 100644
--- a/libisoburn/trunk/libisoburn/burn_wrap.c
+++ b/libisoburn/trunk/libisoburn/burn_wrap.c
@@ -775,9 +775,21 @@ int isoburn_report_iso_error(int iso_error_code, char msg_text[], int os_errno,
  iso_sev= iso_error_get_severity(iso_error_code);
  sev_text_pt= min_severity;
  burn_text_to_sev(min_severity, &min_sev, 0);
- if(min_sev < iso_sev)
+
+ /* <<< Tunnel MISHAP through libburn which knows no MISHAP
+        with libburn-0.4.4 this is not necessary */
+ if(iso_sev==LIBDAX_MSGS_SEV_MISHAP) {
+   iso_sev= LIBDAX_MSGS_SEV_SORRY;
+   error_code= 0x0005ff73;
+ }
+
+ if(min_sev < iso_sev) {
+
    /* >>> with libburn-0.4.4 do: burn_sev_to_text(iso_sev, &sev_text_pt, 0); */
    isoburn__sev_to_text(iso_sev, &sev_text_pt, 0);
+
+ }
+
  ret= burn_msgs_submit(error_code, msg_text_pt, os_errno, sev_text_pt, NULL);
  return(ret);
 }
diff --git a/libisoburn/trunk/xorriso/xorriso.c b/libisoburn/trunk/xorriso/xorriso.c
index a349bb87..115488d4 100644
--- a/libisoburn/trunk/xorriso/xorriso.c
+++ b/libisoburn/trunk/xorriso/xorriso.c
@@ -4803,7 +4803,7 @@ int Xorriso_eval_problem_status(struct XorrisO *xorriso, int ret, int flag)
    ret= 2;
  } else if(xorriso->problem_status > 0) {
    sprintf(xorriso->info_text,
-           "xorriso : ABORT : -abort_on '%s' encountered '%s'",
+           "xorriso : aborting : -abort_on '%s' encountered '%s'",
            xorriso->abort_on_text, xorriso->problem_status_text);
    if(!(flag&1))
      Xorriso_info(xorriso, 0);/* submit not as problem event */
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index af814898..13bd97e4 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.02.11.213918"
+#define Xorriso_timestamP "2008.02.12.215327"
diff --git a/libisoburn/trunk/xorriso/xorrisoburn.c b/libisoburn/trunk/xorriso/xorrisoburn.c
index 1a3457f8..d94b2529 100644
--- a/libisoburn/trunk/xorriso/xorrisoburn.c
+++ b/libisoburn/trunk/xorriso/xorrisoburn.c
@@ -955,13 +955,43 @@ ex:;
 } 
 
 
+int Xorriso_check_burn_abort(struct XorrisO *xorriso, int flag)
+{
+ int ret;
+ struct burn_drive_info *dinfo;
+ struct burn_drive *drive;
+
+ if(xorriso->run_state!=1)
+   return(0);
+ ret= Xorriso_eval_problem_status(xorriso, 1, 1);
+ if(ret>=0)
+   return(0);
+ sprintf(xorriso->info_text,
+         "-abort_on '%s' encountered '%s' during image writing",
+         xorriso->abort_on_text, xorriso->problem_status_text);
+ Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
+                     xorriso->problem_status_text, 0);
+
+ ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
+                                "on attempt to abort burn run", 2);
+ if(ret<=0)
+   return(0);
+
+ burn_drive_cancel(drive);
+ sprintf(xorriso->info_text,
+         "libburn has now been urged to cancel its operation");
+ Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
+ return(1);
+}
+
+
 /* This loop watches burn runs until they end.
    It issues pacifying update messages to the user.
 */
 int Xorriso_pacifier_loop(struct XorrisO *xorriso, struct burn_drive *drive,
                           int flag)
 {
- int ret, size, free_bytes, i;
+ int ret, size, free_bytes, i, aborting= 0;
  struct burn_progress progress;
  char *status_text;
  enum burn_drive_status drive_status;
@@ -1000,6 +1030,8 @@ int Xorriso_pacifier_loop(struct XorrisO *xorriso, struct burn_drive *drive,
 
    for(i= 0; i<10; i++) {
      Xorriso_process_msg_queues(xorriso, 0);
+     if(aborting<=0)
+       aborting= Xorriso_check_burn_abort(xorriso, 0);
      usleep(100000);
    }
  }
@@ -1694,14 +1726,30 @@ int Xorriso_process_msg_queues(struct XorrisO *xorriso, int flag)
        if((error_code>=0x00030000 && error_code<0x00040000) ||
           (error_code>=0x00050000 && error_code<0x00060000))
          tunneled= -1; /* "libisofs:" */
-       if(error_code>=0x00060000 && error_code<0x00070000)
+       else if(error_code>=0x00060000 && error_code<0x00070000)
          tunneled= 1;  /* "libisoburn:" */
      }
      if(ret<=0)
    break;
+
+     /* <<< tunneled MISHAP from libisoburn through libburn
+            or well known error codes of MISHAP events
+            With libburn-0.4.4 this is not necessary */
+     if(error_code==0x5ff73 || error_code==0x3ff73 ||
+        error_code==0x3feb9 || error_code==0x3feb2)
+       strcpy(severity, "MISHAP");
+
+#ifdef NIX
+     /* ??? throw this out already yet and rely on above libburn workaround ?*/
+     /* <<< SORRY messages during burn run get mapped to MISHAP
+            should not be necessary with libisofs-0.6.4 */
      if(pass+tunneled==0 && xorriso->run_state==1 &&
-        strcmp(severity, "SORRY")==0)
+        strcmp(severity, "SORRY")==0) {
+       fprintf(stderr, "xorriso_DEBUG:  %s  %X\n", severity, error_code);
        strcpy(severity, "MISHAP"); /* image generation severity */
+     }
+#endif
+
      Xorriso_msgs_submit(xorriso, error_code, xorriso->info_text, os_errno, 
                          severity, ((pass+tunneled)+1)<<2);
      count++;
@@ -3624,9 +3672,15 @@ int Xorriso_set_abort_severity(struct XorrisO *xorriso, int flag)
 {
  int ret;
 
+ /* <<< On MISHAP use FAILURE as abort severity known to libisofs.
+        The pacifier loop will care for canceling libburn on MISHAP
+        and thus also cancel the image generation.
+        with libisofs-0.6.4 this should not be necessary
+ */
  if((flag&1) && strcmp(xorriso->abort_on_text, "MISHAP")==0)
-   ret= iso_set_abort_severity("SORRY");
+   ret= iso_set_abort_severity("FAILURE");
  else
+
    ret= iso_set_abort_severity(xorriso->abort_on_text);
  return(ret>=0);
 }