Date: Mon, 11 Jun 2018 13:53:05 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Willem Jan Withagen <wjw@digiware.nl>, "stable@freebsd.org" <stable@FreeBSD.org> Subject: Re: Continuous crashing ZFS server Message-ID: <100ea6d0-5cf4-1a00-0e3a-dfad6175df6c@FreeBSD.org> In-Reply-To: <d75b7d81-67c8-d473-7652-c212700ef0d1@digiware.nl> References: <f9ecab27-5201-4b60-ea75-e68dd5ffb44c@digiware.nl> <17446f39-97a1-8603-11a0-32176e8cb833@FreeBSD.org> <d75b7d81-67c8-d473-7652-c212700ef0d1@digiware.nl>
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On 11/06/2018 13:26, Willem Jan Withagen wrote: > On 11/06/2018 12:13, Andriy Gapon wrote: >> On 08/06/2018 13:02, Willem Jan Withagen wrote: >>> My file server is crashing about every 15 minutes at the moment. >>> The panic looks like: >>> >>> Jun 8 11:48:43 zfs kernel: panic: Solaris(panic): zfs: allocating >>> allocated segment(offset=12922221670400 size=24576) >>> Jun 8 11:48:43 zfs kernel: >>> Jun 8 11:48:43 zfs kernel: cpuid = 1 >>> Jun 8 11:48:43 zfs kernel: KDB: stack backtrace: >>> Jun 8 11:48:43 zfs kernel: #0 0xffffffff80aada57 at kdb_backtrace+0x67 >>> Jun 8 11:48:43 zfs kernel: #1 0xffffffff80a6bb36 at vpanic+0x186 >>> Jun 8 11:48:43 zfs kernel: #2 0xffffffff80a6b9a3 at panic+0x43 >>> Jun 8 11:48:43 zfs kernel: #3 0xffffffff82488192 at vcmn_err+0xc2 >>> Jun 8 11:48:43 zfs kernel: #4 0xffffffff821f73ba at zfs_panic_recover+0x5a >>> Jun 8 11:48:43 zfs kernel: #5 0xffffffff821dff8f at range_tree_add+0x20f >>> Jun 8 11:48:43 zfs kernel: #6 0xffffffff821deb06 at metaslab_free_dva+0x276 >>> Jun 8 11:48:43 zfs kernel: #7 0xffffffff821debc1 at metaslab_free+0x91 >>> Jun 8 11:48:43 zfs kernel: #8 0xffffffff8222296a at zio_dva_free+0x1a >>> Jun 8 11:48:43 zfs kernel: #9 0xffffffff8221f6cc at zio_execute+0xac >>> Jun 8 11:48:43 zfs kernel: #10 0xffffffff80abe827 at >>> taskqueue_run_locked+0x127 >>> Jun 8 11:48:43 zfs kernel: #11 0xffffffff80abf9c8 at >>> taskqueue_thread_loop+0xc8 >>> Jun 8 11:48:43 zfs kernel: #12 0xffffffff80a2f7d5 at fork_exit+0x85 >>> Jun 8 11:48:43 zfs kernel: #13 0xffffffff80ec4abe at fork_trampoline+0xe >>> Jun 8 11:48:43 zfs kernel: Uptime: 9m7s >>> >>> Maybe a known bug? >>> Is there anything I can do about this? >>> Any debugging needed? >> >> Sorry to inform you but your on-disk data got corrupted. >> The most straightforward thing you can do is try to save data from the pool in >> readonly mode. > > Hi Andriy, > > Auch, that is a first in 12 years of using ZFS. "Fortunately" it was of a test > ZVOL->iSCSI->Win10 disk on which I spool my CAMs. > > Removing the ZVOL actually fixed the rebooting, but now the question is: > Is the remainder of the zpools on the same disks in danger? You can try to check with zdb -b on an idle (better exported) pool. And zpool scrub. -- Andriy Gapon
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