Created attachment 708057 strace output of the command executed below Test #2: Insert a new blank media into the optical drive and burn with growisofs while performing an strace: # strace -f -o growisofs-strace-20130310.03.out growisofs -Z /dev/sr0 -R -J ./1/* Output of the command: # strace -f -o growisofs-strace-20130310.03.out growisofs -Z /dev/sr0 -R -J ./1/* Executing 'mkisofs -R -J ./1/1.dat | builtin_dd of=/dev/sr0 obs=32k seek=0' I: -input-charset not specified, using utf-8 (detected in locale settings) 1.31% done, estimate finish Sun Mar 10 17:16:26 2013 /dev/sr0: pre-formatting blank BD-R for 24.8GB... /dev/sr0: "Current Write Speed" is 12.3x4390KBps. 2.62% done, estimate finish Sun Mar 10 17:37:23 2013 3.93% done, estimate finish Sun Mar 10 17:32:07 2013 5.24% done, estimate finish Sun Mar 10 17:28:30 2013 6.55% done, estimate finish Sun Mar 10 17:26:21 2013 7.86% done, estimate finish Sun Mar 10 17:24:54 2013 9.17% done, estimate finish Sun Mar 10 17:23:53 2013 10.48% done, estimate finish Sun Mar 10 17:23:06 2013 11.79% done, estimate finish Sun Mar 10 17:22:30 2013 13.10% done, estimate finish Sun Mar 10 17:22:01 2013 14.41% done, estimate finish Sun Mar 10 17:21:38 2013 15.72% done, estimate finish Sun Mar 10 17:21:18 2013 17.03% done, estimate finish Sun Mar 10 17:21:01 2013 18.34% done, estimate finish Sun Mar 10 17:20:47 2013 19.65% done, estimate finish Sun Mar 10 17:20:35 2013 20.96% done, estimate finish Sun Mar 10 17:20:24 2013 22.27% done, estimate finish Sun Mar 10 17:20:15 2013 23.58% done, estimate finish Sun Mar 10 17:20:06 2013 24.89% done, estimate finish Sun Mar 10 17:19:58 2013 26.20% done, estimate finish Sun Mar 10 17:19:52 2013 27.51% done, estimate finish Sun Mar 10 17:19:45 2013 28.82% done, estimate finish Sun Mar 10 17:19:40 2013 30.13% done, estimate finish Sun Mar 10 17:19:35 2013 31.44% done, estimate finish Sun Mar 10 17:19:30 2013 32.75% done, estimate finish Sun Mar 10 17:19:26 2013 34.06% done, estimate finish Sun Mar 10 17:19:22 2013 35.37% done, estimate finish Sun Mar 10 17:19:18 2013 36.68% done, estimate finish Sun Mar 10 17:19:15 2013 37.99% done, estimate finish Sun Mar 10 17:19:11 2013 39.30% done, estimate finish Sun Mar 10 17:19:08 2013 40.61% done, estimate finish Sun Mar 10 17:19:06 2013 41.92% done, estimate finish Sun Mar 10 17:19:03 2013 43.22% done, estimate finish Sun Mar 10 17:19:01 2013 44.54% done, estimate finish Sun Mar 10 17:18:58 2013 45.84% done, estimate finish Sun Mar 10 17:18:56 2013 47.16% done, estimate finish Sun Mar 10 17:18:54 2013 48.46% done, estimate finish Sun Mar 10 17:18:52 2013 49.78% done, estimate finish Sun Mar 10 17:18:50 2013 51.08% done, estimate finish Sun Mar 10 17:18:48 2013 52.40% done, estimate finish Sun Mar 10 17:18:47 2013 53.70% done, estimate finish Sun Mar 10 17:18:45 2013 55.01% done, estimate finish Sun Mar 10 17:18:45 2013 56.32% done, estimate finish Sun Mar 10 17:18:44 2013 57.63% done, estimate finish Sun Mar 10 17:18:41 2013 58.94% done, estimate finish Sun Mar 10 17:18:40 2013 60.25% done, estimate finish Sun Mar 10 17:18:40 2013 61.56% done, estimate finish Sun Mar 10 17:18:39 2013 62.87% done, estimate finish Sun Mar 10 17:18:36 2013 64.18% done, estimate finish Sun Mar 10 17:18:35 2013 65.49% done, estimate finish Sun Mar 10 17:18:35 2013 66.80% done, estimate finish Sun Mar 10 17:18:33 2013 68.11% done, estimate finish Sun Mar 10 17:18:33 2013 69.42% done, estimate finish Sun Mar 10 17:18:32 2013 70.73% done, estimate finish Sun Mar 10 17:18:31 2013 72.04% done, estimate finish Sun Mar 10 17:18:32 2013 73.35% done, estimate finish Sun Mar 10 17:18:31 2013 74.66% done, estimate finish Sun Mar 10 17:18:30 2013 75.97% done, estimate finish Sun Mar 10 17:18:28 2013 77.28% done, estimate finish Sun Mar 10 17:18:27 2013 78.59% done, estimate finish Sun Mar 10 17:18:26 2013 79.90% done, estimate finish Sun Mar 10 17:18:26 2013 81.21% done, estimate finish Sun Mar 10 17:18:25 2013 82.52% done, estimate finish Sun Mar 10 17:18:25 2013 83.83% done, estimate finish Sun Mar 10 17:18:24 2013 85.14% done, estimate finish Sun Mar 10 17:18:24 2013 86.45% done, estimate finish Sun Mar 10 17:18:23 2013 87.76% done, estimate finish Sun Mar 10 17:18:23 2013 89.07% done, estimate finish Sun Mar 10 17:18:22 2013 90.38% done, estimate finish Sun Mar 10 17:18:22 2013 91.69% done, estimate finish Sun Mar 10 17:18:21 2013 93.00% done, estimate finish Sun Mar 10 17:18:19 2013 94.31% done, estimate finish Sun Mar 10 17:18:19 2013 95.62% done, estimate finish Sun Mar 10 17:18:18 2013 96.93% done, estimate finish Sun Mar 10 17:18:18 2013 98.24% done, estimate finish Sun Mar 10 17:18:17 2013 99.55% done, estimate finish Sun Mar 10 17:18:17 2013 Total translation table size: 0 Total rockridge attributes bytes: 246 Total directory bytes: 0 Path table size(bytes): 10 Max brk space used 0 381743 extents written (745 MB) builtin_dd: 381744*2KB out @ average 2.1x4390KBps /dev/sr0: flushing cache /dev/sr0: closing track /dev/sr0: closing session :-[ CLOSE SESSION failed with SK=5h/INVALID FIELD IN CDB]: Input/output error /dev/sr0: reloading tray