Date: Tue, 10 Apr 2007 22:48:10 -0500 (CDT) From: Larry Rosenman <ler@lerctr.org> To: freebsd-current@freebsd.org Subject: ZFS: LOR's Message-ID: <20070410224647.X2889@thebighonker.lerctr.org>
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With a today current, I ran through PJD's quick start, then looked at my dmesg and found: lock order reversal: 1st 0xffffff00a5b9f438 zfs:&dr->dt.di.dr_mtx (zfs:&dr->dt.di.dr_mtx) @ /usr/src /sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1865 2nd 0xffffff00b655b148 zfs:&db->db_mtx (zfs:&db->db_mtx) @ /usr/src/sys/modules /zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1836 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x3a witness_checkorder() at witness_checkorder+0x4f9 _sx_xlock() at _sx_xlock+0x3a dbuf_sync_list() at dbuf_sync_list+0x7e dbuf_sync_list() at dbuf_sync_list+0x114 dnode_sync() at dnode_sync+0x1ec dmu_objset_sync() at dmu_objset_sync+0xec dsl_pool_sync() at dsl_pool_sync+0x65 spa_sync() at spa_sync+0x309 txg_sync_thread() at txg_sync_thread+0x166 fork_exit() at fork_exit+0xaa fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffffffb2102d30, rbp = 0 --- lock order reversal: 1st 0xffffff00332a56e8 zfs:&db->db_mtx (zfs:&db->db_mtx) @ /usr/src/sys/modules /zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1680 2nd 0xffffff00a87b4270 zfs:&dn->dn_dbufs_mtx (zfs:&dn->dn_dbufs_mtx) @ /usr/src /sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dnode_sync.c:364 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x3a witness_checkorder() at witness_checkorder+0x4f9 _sx_xlock() at _sx_xlock+0x3a dnode_evict_dbufs() at dnode_evict_dbufs+0x65 dmu_objset_evict_dbufs() at dmu_objset_evict_dbufs+0x10b dmu_objset_evict() at dmu_objset_evict+0x30 dsl_dataset_evict() at dsl_dataset_evict+0x9e dbuf_evict_user() at dbuf_evict_user+0x44 dbuf_rele() at dbuf_rele+0xfe dsl_pool_zil_clean() at dsl_pool_zil_clean+0x37 spa_sync() at spa_sync+0x44a txg_sync_thread() at txg_sync_thread+0x166 fork_exit() at fork_exit+0xaa fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffffffb2102d30, rbp = 0 --- borg# This is with a GENERIC kernel. I can get more info if you want. The zpool is on 5 SATA 400G Disks, if that means anything. LER -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
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