kern/189355: zfs panic on 10-stable
Radim Kolar
hsn at sendmail.cz
Thu May 15 18:50:01 UTC 2014
The following reply was made to PR kern/189355; it has been noted by GNATS.
From: Radim Kolar <hsn at sendmail.cz>
To: Steven Hartland <killing at multiplay.co.uk>, "freebsd-fs at FreeBSD.org"
<freebsd-fs at freebsd.org>, "bug-followup at freebsd.org"
<bug-followup at freebsd.org>
Cc:
Subject: RE: kern/189355: zfs panic on 10-stable
Date: Thu, 15 May 2014 18:44:37 +0000
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crash stack from patched kernel
#7 0xc092336c in calltrap () at /usr/src/sys/i386/i386/exception.s:170
#8 0xc069345d in kdb_enter (why=3D0xc09a7ef8 "panic"=2C
msg=3D<value optimized out>) at cpufunc.h:71
#9 0xc065710f in panic (fmt=3D<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:823
#10 0xc0939acb in dblfault_handler () at /usr/src/sys/i386/i386/trap.c:1072
#11 0xc0cb8187 in vdev_queue_io_to_issue (vq=3D0xc46ab300)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/vdev_queue.c:489
#12 0xc0cb8119 in vdev_queue_io (zio=3D0xc486c5b8)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/vdev_queue.c:768
#13 0xc0cd8704 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:2617
#14 0xc0cd4e28 in zio_execute (zio=3D0xc486c5b8)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/zio.c:1357
#15 0xc0cb7604 in vdev_mirror_io_start (zio=3D0xc476f000)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/vdev_mirror.c:284
#16 0xc0cd854f 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:2537
#17 0xc0cd4e28 in zio_execute (zio=3D0xc476f000)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/zio.c:1357
#18 0xc0ca0ddc in spa_load_verify_cb (zilog=3D0x0=2C bp=3D<value optimized =
out>=2C
dnp=3D0xc4b0fa00=2C arg=3D<value optimized out>)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/spa.c:1887
#19 0xc0c5eb79 in traverse_visitbp (td=3D0xd93f1120=2C dnp=3D0xc46ab300=2C
bp=3D0xc4b18100=2C zb=3D0xd93f06b0)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/dmu_traverse.c:272
#20 0xc0c5edb0 in traverse_visitbp (td=3D0xd93f1120=2C dnp=3D0xc4b0fa00=2C =
bp=3D0x80=2C
zb=3D0xd93f07a8)
at /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/f=
s/zfs/dmu_traverse.c:306
failing line 489 is:
if (avl_numnodes(&vq->vq_active_tree) >=3D zfs_vdev_max_active)
return (ZIO_PRIORITY_NUM_QUEUEABLE)=3B
=
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<body class=3D'hmmessage'><div dir=3D'ltr'>crash stack from patched kernel<=
br><br>#7 =3B 0xc092336c in calltrap () at /usr/src/sys/i386/i386/excep=
tion.s:170<br>#8 =3B 0xc069345d in kdb_enter (why=3D0xc09a7ef8 "panic"=
=2C<br> =3B =3B =3B msg=3D<=3Bvalue optimized out>=3B) at c=
pufunc.h:71<br>#9 =3B 0xc065710f in panic (fmt=3D<=3Bvalue optimized =
out>=3B)<br> =3B =3B =3B at /usr/src/sys/kern/kern_shutdown.c=
:823<br>#10 0xc0939acb in dblfault_handler () at /usr/src/sys/i386/i386/tra=
p.c:1072<br>#11 0xc0cb8187 in vdev_queue_io_to_issue (vq=3D0xc46ab300)<br>&=
nbsp=3B =3B =3B at /usr/src/sys/modules/zfs/../../cddl/contrib/open=
solaris/uts/common/fs/zfs/vdev_queue.c:489<br>#12 0xc0cb8119 in vdev_queue_=
io (zio=3D0xc486c5b8)<br> =3B =3B =3B at /usr/src/sys/modules/z=
fs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:768<br>#13=
0xc0cd8704 in zio_vdev_io_start (ziop=3D<=3Bvalue optimized out>=3B)<b=
r> =3B =3B =3B at /usr/src/sys/modules/zfs/../../cddl/contrib/o=
pensolaris/uts/common/fs/zfs/zio.c:2617<br>#14 0xc0cd4e28 in zio_execute (z=
io=3D0xc486c5b8)<br> =3B =3B =3B at /usr/src/sys/modules/zfs/..=
/../cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1357<br>#15 0xc0cb7604=
in vdev_mirror_io_start (zio=3D0xc476f000)<br> =3B =3B =3B at =
/usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/v=
dev_mirror.c:284<br>#16 0xc0cd854f in zio_vdev_io_start (ziop=3D<=3Bvalue=
optimized out>=3B)<br> =3B =3B =3B at /usr/src/sys/modules/z=
fs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2537<br>#17 0xc0c=
d4e28 in zio_execute (zio=3D0xc476f000)<br> =3B =3B =3B at /usr=
/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c=
:1357<br>#18 0xc0ca0ddc in spa_load_verify_cb (zilog=3D0x0=2C bp=3D<=3Bva=
lue optimized out>=3B=2C<br> =3B =3B =3B dnp=3D0xc4b0fa00=2C =
arg=3D<=3Bvalue optimized out>=3B)<br> =3B =3B =3B at /usr/=
src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c:=
1887<br>#19 0xc0c5eb79 in traverse_visitbp (td=3D0xd93f1120=2C dnp=3D0xc46a=
b300=2C<br> =3B =3B =3B bp=3D0xc4b18100=2C zb=3D0xd93f06b0)<br>=
 =3B =3B =3B at /usr/src/sys/modules/zfs/../../cddl/contrib/ope=
nsolaris/uts/common/fs/zfs/dmu_traverse.c:272<br>#20 0xc0c5edb0 in traverse=
_visitbp (td=3D0xd93f1120=2C dnp=3D0xc4b0fa00=2C bp=3D0x80=2C<br> =3B&n=
bsp=3B =3B zb=3D0xd93f07a8)<br> =3B =3B =3B at /usr/src/sys=
/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_traverse.=
c:306<br><br>failing line 489 is:<br><br> =3B =3B =3B =3B&n=
bsp=3B =3B =3B if (avl_numnodes(&=3Bvq->=3Bvq_active_tree) >=
=3B=3D zfs_vdev_max_active)<br> =3B =3B =3B =3B =3B&nbs=
p=3B =3B =3B =3B =3B =3B =3B =3B =3B =
=3B return (ZIO_PRIORITY_NUM_QUEUEABLE)=3B<br><br><br> </div></b=
ody>
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