Date: Thu, 15 May 2014 18:50:00 GMT From: Radim Kolar <hsn@sendmail.cz> To: freebsd-fs@FreeBSD.org Subject: RE: kern/189355: zfs panic on 10-stable Message-ID: <201405151850.s4FIo0wI037636@freefall.freebsd.org>
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The following reply was made to PR kern/189355; it has been noted by GNATS. From: Radim Kolar <hsn@sendmail.cz> To: Steven Hartland <killing@multiplay.co.uk>, "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org>, "bug-followup@freebsd.org" <bug-followup@freebsd.org> Cc: Subject: RE: kern/189355: zfs panic on 10-stable Date: Thu, 15 May 2014 18:44:37 +0000 --_3fd876d8-95d2-45ec-9c06-a4c1351e561f_ Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable 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 = --_3fd876d8-95d2-45ec-9c06-a4c1351e561f_ Content-Type: text/html; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <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> </html>= --_3fd876d8-95d2-45ec-9c06-a4c1351e561f_--
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