Date: Fri, 11 May 2007 17:24:15 +0300 From: "John Doe" <hilobok@gmail.com> To: freebsd-fs@freebsd.org Subject: ZFS and kernel panic (not kmem_map too small) Message-ID: <ba8e066b0705110724o215f82b7s662a6e3fb4d0dac7@mail.gmail.com>
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Hi, All.
I'm running 7-CURRENT (cvsuped and builded at Fri May 11 12:27:49 EEST
2007) on Intel S3000AH motherboard, Xeon 3050 2.13GHz with 1GB RAM.
Using Areca ARC-1260 (16 port sata raid controller) with 16 400GB sata
drives in JBOD mode.
Create zpool with
# zpool create bfs radiz2 da0 da1 da2 da3 da4 da5 da6 da7 da8 da9 da10
da11 da12 da13 da14 da15
# zfs create bfs/test
# zfs list
NAME USED AVAIL REFER MOUNTPOINT
bfs 286M 4.97T 49.5K /bfs
bfs/test 286M 4.97T 286M /bfs/test
# zpool status -v
pool: bfs
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
bfs ONLINE 0 0 0
raidz2 ONLINE 0 0 0
da0 ONLINE 0 0 0
da1 ONLINE 0 0 0
da2 ONLINE 0 0 0
da3 ONLINE 0 0 0
da4 ONLINE 0 0 0
da5 ONLINE 0 0 0
da6 ONLINE 0 0 0
da7 ONLINE 0 0 0
da8 ONLINE 0 0 0
da9 ONLINE 0 0 0
da10 ONLINE 0 0 0
da11 ONLINE 0 0 0
da12 ONLINE 0 0 0
da13 ONLINE 0 0 0
da14 ONLINE 0 0 0
da15 ONLINE 0 0 0
errors: No known data errors
all seems fine, but i got kernel panic, while putting one file to zfs
filesystem using ftp:
lock order reversal:
1st 0xffffff0031205938 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:1866
2nd 0xffffff002f9ce418 zfs:&db->db_mtx (zfs:&db->db_mtx) @
/usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1837
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x3a
witness_checkorder() at witness_checkorder+0x4f9
_sx_xlock() at _sx_xlock+0x48
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 = 0xffffffffaeeadd30, rbp = 0 ---
panic: Bad link elm 0xffffff003b362400 prev->next != elm
cpuid = 1
KDB: enter: panic
how can I provide more information to fix this problem?
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