On Sat, Jan 19, 2008 at 08:10:08PM -0700, Grant Grundler wrote: > root@mb500:~ # strace -o strace-dd-HPr707.out dd if=/dev/sda of=/dev/null skip=60800 count=1 > dd: reading `/dev/sda': Input/output error > 0+0 records in > 0+0 records out > 0 bytes (0 B) copied, 55.7303 seconds, 0.0 kB/s BTW, here's the relevant bit of the strace output: open("/dev/sda", O_RDONLY|O_LARGEFILE) = 0 _llseek(0, 0, [0], SEEK_CUR) = 0 close(1) = 0 open("/dev/null", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 1 rt_sigaction(SIGUSR1, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGINT, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGUSR1, {0x80493a0, [INT USR1], 0}, NULL, 8) = 0 rt_sigaction(SIGINT, {0x8049390, [INT USR1], SA_NOMASK|SA_ONESHOT}, NULL, 8) = 0 clock_gettime(CLOCK_MONOTONIC, {70667, 216812381}) = 0 ioctl(0, MGSL_IOCSTXIDLE or MTIOCGET or SNDCTL_MIDI_MPUCMD, 0xbf8e31d0) = -1 EIN VAL (Invalid argument) _llseek(0, 31129600, [31129600], SEEK_CUR) = 0 read(0, 0x8059000, 512) = -1 EIO (Input/output error) thanks, grant - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html