Date: Fri, 12 Jun 2009 16:56:47 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-stable@FreeBSD.ORG, freebsd-fs@FreeBSD.ORG Subject: zfs related panic Message-ID: <4A325E9F.2080802@icyb.net.ua>
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This is on a recent stable/7 amd64, with zpool and filesystems upgraded to the latest version. I did zfs rollback xxx@yyy And then did ls on a directory in the rolled-back fs. I have the core file if it can be of any help. Sleeping thread (tid 100263, pid 2432) owns a non-sleepable lock sched_switch() at 0xffffffff8031d0ef = sched_switch+0x47d mi_switch() at 0xffffffff80302a59 = mi_switch+0x1bf sleepq_switch() at 0xffffffff8032f645 = sleepq_switch+0xd8 sleepq_catch_signals() at 0xffffffff8032f925 = sleepq_catch_signals+0x2db sleepq_wait_sig() at 0xffffffff80330219 = sleepq_wait_sig+0xc _sleep() at 0xffffffff80302eba = _sleep+0x2b5 kern_sigsuspend() at 0xffffffff802fc567 = kern_sigsuspend+0xeb sigsuspend() at 0xffffffff802fc5e9 = sigsuspend+0x34 syscall() at 0xffffffff80491d2d = syscall+0x347 Xfast_syscall() at 0xffffffff8047d00b = Xfast_syscall+0xab --- syscall (341, FreeBSD ELF64, sigsuspend), rip = 0x80092ce3c, rsp = 0x7fffffffdee8, rbp = 0x8011e5a60 --- panic: sleeping thread cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at 0xffffffff80192dd5 = db_trace_self_wrapper+0x2a kdb_backtrace() at 0xffffffff80327ea7 = kdb_backtrace+0x32 panic() at 0xffffffff802fb70c = panic+0x1b0 propagate_priority() at 0xffffffff80332e92 = propagate_priority+0x122 turnstile_wait() at 0xffffffff80333e29 = turnstile_wait+0x358 _mtx_lock_sleep() at 0xffffffff802ed64a = _mtx_lock_sleep+0x117 cache_lookup() at 0xffffffff8036a52a = cache_lookup+0x632 vfs_cache_lookup() at 0xffffffff8036a69f = vfs_cache_lookup+0xab VOP_LOOKUP_APV() at 0xffffffff804c86f3 = VOP_LOOKUP_APV+0x51 lookup() at 0xffffffff80370a71 = lookup+0x5d8 namei() at 0xffffffff8037168f = namei+0x320 kern_lstat() at 0xffffffff8037f6ca = kern_lstat+0x5e lstat() at 0xffffffff8037f8c9 = lstat+0x25 syscall() at 0xffffffff80491d2d = syscall+0x347 Xfast_syscall() at 0xffffffff8047d00b = Xfast_syscall+0xab --- syscall (190, FreeBSD ELF64, lstat), rip = 0x80095afbc, rsp = 0x7fffffffdde8, rbp = 0x800b50270 --- -- Andriy Gapon
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