ZFS raid1 crash kernel panic

Aleksey mail.lexa at gmail.com
Fri Jun 17 09:02:30 UTC 2011


I have a ZFS raid1 from 2 drives to 1TB <WDC WD1001FALS-00E8B0 05.00K05>.
Recently, my system OS: FreeBSD 8.2-RELEASE has crashed, with kernel panic:

panic: solaris assert: ss->ss_end >= end (0x6a80753600 >= 0x6a80753800),
line: 174

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Unread portion of the kernel message buffer:
panic: solaris assert: ss->ss_end >= end (0x6a80753600 >= 0x6a80753800),
line: 174
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff805f4e0e at kdb_backtrace+0x5e
#1 0xffffffff805c2d07 at panic+0x187
#2 0xffffffff80ee36f6 at space_map_remove+0x296
#3 0xffffffff80ee3d9b at space_map_load+0x1bb
#4 0xffffffff80ed4c19 at metaslab_activate+0x89
#5 0xffffffff80ed586e at metaslab_alloc+0x6ae
#6 0xffffffff80f00299 at zio_dva_allocate+0x69
#7 0xffffffff80efe287 at zio_execute+0x77
#8 0xffffffff80e9e303 at taskq_run_safe+0x13
#9 0xffffffff805ffeb5 at taskqueue_run_locked+0x85
#10 0xffffffff8060004e at taskqueue_thread_loop+0x4e
#11 0xffffffff805994f8 at fork_exit+0x118
#12 0xffffffff8089547e at fork_trampoline+0xe

Reinstall OS and import zfs pool not change anything.
smartctl-a says that everything is OK
Can anybody tell me what is it?

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