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Date:      Thu, 15 May 2014 20:37:38 +0000
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>
Subject:   RE: kern/189355: zfs panic on 10-stable
Message-ID:  <BLU179-W4608DD52BA76CF84A4CDABAD360@phx.gbl>
In-Reply-To: <EB80EA4D187740B2B0AED9255EB386D2@multiplay.co.uk>
References:  <201405151240.s4FCe1Hw087808@freefall.freebsd.org>, <14010473114D42CC92756838300EEE64@multiplay.co.uk>, <BLU179-W70FBAE0611B8237808B4F7AD360@phx.gbl>, <BLU179-W50D5CEAEF125A4EA43B865AD360@phx.gbl> <BLU179-W6204A3A2EA88E7710CA8E4AD360@phx.gbl>, <EB80EA4D187740B2B0AED9255EB386D2@multiplay.co.uk>
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> Ok so thats what I thought it was could you see what vq is?
(kgdb) up 11
#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
489             if (avl_numnodes(&vq->vq_active_tree) >=3D zfs_vdev_max_act=
ive)
Current language:  auto=3B currently minimal
(kgdb) print vq
$1 =3D (vdev_queue_t *) 0xc46ab300
(kgdb) print *vq
$2 =3D {vq_vdev =3D 0xc46ab000=2C vq_class =3D {{vqc_active =3D 0=2C vqc_qu=
eued_tree =3D {
        avl_root =3D 0x0=2C
        avl_compar =3D 0xc0cb7de0 <vdev_queue_timestamp_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 0=2C avl_size =3D 732}}=2C {
      vqc_active =3D 0=2C vqc_queued_tree =3D {avl_root =3D 0x0=2C
        avl_compar =3D 0xc0cb7de0 <vdev_queue_timestamp_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 0=2C avl_size =3D 732}}=2C {
      vqc_active =3D 1=2C vqc_queued_tree =3D {avl_root =3D 0x0=2C
        avl_compar =3D 0xc0cb7d70 <vdev_queue_offset_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 0=2C avl_size =3D 732}}=2C {
      vqc_active =3D 0=2C vqc_queued_tree =3D {avl_root =3D 0x0=2C
        avl_compar =3D 0xc0cb7d70 <vdev_queue_offset_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 0=2C avl_size =3D 732}}=2C {
      vqc_active =3D 0=2C vqc_queued_tree =3D {avl_root =3D 0xc486c794=2C
        avl_compar =3D 0xc0cb7d70 <vdev_queue_offset_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 1=2C avl_size =3D 732}}=2C {
      vqc_active =3D 0=2C vqc_queued_tree =3D {avl_root =3D 0x0=2C
        avl_compar =3D 0xc0cb7d70 <vdev_queue_offset_compare>=2C
        avl_offset =3D 476=2C avl_numnodes =3D 0=2C avl_size =3D 732}}}=2C
  vq_active_tree =3D {avl_root =3D 0xc476fa70=2C
    avl_compar =3D 0xc0cb7d70 <vdev_queue_offset_compare>=2C avl_offset =3D=
 476=2C
    avl_numnodes =3D 1=2C avl_size =3D 732}=2C vq_last_offset =3D 594196633=
6=2C
  vq_io_complete_ts =3D 7702783485=2C vq_lock =3D {lock_object =3D {
      lo_name =3D 0xc0d6b0ff "vq->vq_lock"=2C lo_flags =3D 40960000=2C lo_d=
ata =3D 0=2C
      lo_witness =3D 0x0}=2C sx_lock =3D 3290710800}}
(kgdb)
 		 	   		  =

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