Date: Thu, 15 May 2014 14:00:44 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Radim Kolar" <hsn@sendmail.cz>, <freebsd-fs@FreeBSD.org> Subject: Re: kern/189355: zfs panic on 10-stable Message-ID: <14010473114D42CC92756838300EEE64@multiplay.co.uk> References: <201405151240.s4FCe1Hw087808@freefall.freebsd.org>
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----- Original Message ----- From: "Radim Kolar" <hsn@sendmail.cz> snip > #11 0xc0cb801e in vdev_queue_io_to_issue (vq=3D0xc46a4b00) > at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f= > s/zfs/vdev_queue.c:471 > #12 0xc0cb7fb8 in vdev_queue_io (zio=3D0xc4855000) > at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f= > s/zfs/vdev_queue.c:744 > #13 0xc0cd84ee in zio_vdev_io_start (ziop=3D<value optimized out>) > at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f= > s/zfs/zio.c:2607 > #14 0xc0cd4c18 in zio_execute (zio=3D0xc4855000) > at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f= > s/zfs/zio.c:1350 > #15 0xc0cb74e4 in vdev_mirror_io_start (zio=3D0xc4823894) > at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f= > s/zfs/vdev_mirror.c:284 Its not totally clear as the faulting line shouldn't ever do so but I suspect you may be seeing corruption earlier on due to some edge cases in the new queing code. This could be something that has already has a fixed in head but wasn't expected to get triggered without TRIM queueing which isn't in 10-stable yet. The fix is also likely to change based on feedback from the openzfs guys, hence isn't in 10-stable yet. Can you try appling the following patches from head to your 10-stable and see if that helps:- http://svnweb.freebsd.org/base?view=revision&revision=265046 http://svnweb.freebsd.org/base?view=revision&revision=265321 Regards Steve
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