zfs panic, solaris_assert

[Attila Nagy]

On 12/15/2012 03:19 PM, Attila Nagy wrote:
> Hi,
>
> Since running svn revision r243704 I get frequent panics:
> panic: solaris assert: sa.sa_magic == 0x2F505A (0x4f22a8ed == 0x2f505a),
> file: 
> /data/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c, 
> line: 597
> cpuid = 0
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
> kdb_backtrace() at kdb_backtrace+0x37
> panic() at panic+0x1ce
> assfail3() at assfail3+0x29
> zfs_space_delta_cb() at zfs_space_delta_cb+0xbe
> dmu_objset_userquota_get_ids() at dmu_objset_userquota_get_ids+0x142
> dnode_sync() at dnode_sync+0xc5
> dmu_objset_sync_dnodes() at dmu_objset_sync_dnodes+0x5d
> dmu_objset_sync() at dmu_objset_sync+0x17f
> dsl_pool_sync() at dsl_pool_sync+0xca
> spa_sync() at spa_sync+0x34a
> txg_sync_thread() at txg_sync_thread+0x139
> fork_exit() at fork_exit+0x11f
> fork_trampoline() at fork_trampoline+0xe
> --- trap 0, rip = 0, rsp = 0xffffff90231accf0, rbp = 0 ---
>
> I can't tell whether it's the data or the code. If the latter, is this 
> fixed in later revisions?
> If it's the file system, what can I do with this?
>
It seems this is introduced with the following mega-MFC:
r243674 | mm | 2012-11-29 15:05:04 +0100 (Thu, 29 Nov 2012) | 223 lines