Date: Thu, 24 Jun 2010 13:25:42 +0300 From: Jaakko Heinonen <jh@FreeBSD.org> To: ben wilber <ben@desync.com> Cc: freebsd-current <freebsd-current@freebsd.org>, d@delphij.net Subject: Re: zfs panic Message-ID: <20100624102542.GA4668@a91-153-117-195.elisa-laajakaista.fi> In-Reply-To: <20100623210133.GA10694@exodus.desync.com> References: <20100623164401.GA7914@exodus.desync.com> <4C2272E5.2090901@delphij.net> <20100623210133.GA10694@exodus.desync.com>
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On 2010-06-23, ben wilber wrote: > > > panic: _sx_xlock_hard: recursed on non-recursive sx buf_hash_table.ht_locks[i].ht_lock @ /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/c > > > ommon/fs/zfs/arc.c:1626 > > > > Any chance to obtain a backtrace for the panic? > > >From r209229: > > db:0:kdb.enter.default> bt > Tracing pid 3233 tid 100396 td 0xffffff013600f000 > kdb_enter() at kdb_enter+0x3d > panic() at panic+0x1c8 > _sx_xlock_hard() at _sx_xlock_hard+0x93 > _sx_xlock() at _sx_xlock+0xaa > arc_buf_remove_ref() at arc_buf_remove_ref+0x7b > dbuf_rele() at dbuf_rele+0x15d > zfs_freebsd_reclaim() at zfs_freebsd_reclaim+0xe1 > VOP_RECLAIM_APV() at VOP_RECLAIM_APV+0xe8 > vgonel() at vgonel+0x186 > vnlru_free() at vnlru_free+0x2f4 > vfs_lowmem() at vfs_lowmem+0x31 I believe that this has been fixed in r209260. -- Jaakko
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