Strange ZFS object sa_magic corrupted leading to kernel panic.
Andriy Gapon
avg at FreeBSD.org
Sat Nov 25 08:22:40 UTC 2017
On 24/11/2017 19:10, pierre Fevre wrote:
> I'm having an unpredictable kernel panic on a Freebsd 10.4 server with a 2.6To
> Dataset.
> I managed to get a screenshot of the kernel Panic: Basically I got this:
>
> panic: solaris assert: sa.sa_magic == (0x584530ab == 0x2f505a), file
> zfs_vfsops.c, line 610
> KBD: stack backtrace:
> assfail3+0x2f
> zfs_space_delta_cb+0x107
> dmu_objset_userquota_get_ids+0x36f
Please see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216586
It is likely that you have the same problem:
$ date -j -f %s $((0x584530ab))
Mon 5 Dec 2016 11:17:31 EET
It's a known and understood issue, but no one so far has been motivated enough
to pursue it further.
--
Andriy Gapon
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