Panic on BETA1 in the ZFS subsystem

Karl Denninger karl at denninger.net
Wed Jul 20 14:27:07 UTC 2016


Came out of the ZFS system; this machine is running *unpatched* (none of
my changes are in the kernel); I have a good core dump if further trace
information will help.

Dump header from device: /dev/gpt/dump
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 9582022656
  Blocksize: 512
  Dumptime: Wed Jul 20 09:10:31 2016
  Hostname: NewFS.denninger.net
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 11.0-BETA1 #0 r302489: Sat Jul  9 10:15:24 CDT
2016
    karl at NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP
  Panic String: double fault
  Dump Parity: 445173880
  Bounds: 4
  Dump Status: good

NewFS.denninger.net dumped core - see /var/crash/vmcore.4

Wed Jul 20 09:18:15 CDT 2016

FreeBSD NewFS.denninger.net 11.0-BETA1 FreeBSD 11.0-BETA1 #0 r302489:
Sat Jul  9 10:15:24 CDT 2016    
karl at NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP  amd64

panic: double fault

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This GDB was configured as "amd64-marcel-freebsd"...

Unread portion of the kernel message buffer:

Fatal double fault
rip = 0xffffffff8220bc92
rsp = 0xfffffe0667f0ef30
rbp = 0xfffffe0667f0f3c0
cpuid = 14; apic id = 34
panic: double fault
cpuid = 14
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe0649db8e30
vpanic() at vpanic+0x182/frame 0xfffffe0649db8eb0
panic() at panic+0x43/frame 0xfffffe0649db8f10
dblfault_handler() at dblfault_handler+0xa2/frame 0xfffffe0649db8f30
Xdblfault() at Xdblfault+0xac/frame 0xfffffe0649db8f30
--- trap 0x17, rip = 0xffffffff8220bc92, rsp = 0xfffffe0667f0ef30, rbp =
0xfffffe0667f0f3c0 ---
vdev_queue_io_to_issue() at vdev_queue_io_to_issue+0x22/frame
0xfffffe0667f0f3c0
vdev_queue_io_done() at vdev_queue_io_done+0x83/frame 0xfffffe0667f0f400
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0f430
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f480
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0f4e0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f530
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0f570
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0f5a0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f5f0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0f650
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f6a0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0f6e0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0f710
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f760
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0f7c0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f810
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0f850
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0f880
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f8d0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0f930
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0f980
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0f9c0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0f9f0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fa40
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0faa0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0faf0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0fb30
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0fb60
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fbb0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0fc10
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fc60
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0fca0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0fcd0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fd20
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0fd80
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fdd0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0fe10
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0fe40
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0fe90
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f0fef0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f0ff40
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f0ff80
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f0ffb0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10000
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10060
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f100b0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f100f0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10120
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10170
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f101d0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10220
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10260
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10290
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f102e0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10340
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10390
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f103d0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10400
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10450
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f104b0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10500
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10540
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10570
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f105c0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10620
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10670
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f106b0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f106e0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10730
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10790
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f107e0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10820
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10850
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f108a0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10900
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10950
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10990
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f109c0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10a10
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10a70
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10ac0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10b00
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10b30
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10b80
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10be0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10c30
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10c70
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10ca0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10cf0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10d50
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10da0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10de0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10e10
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10e60
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f10ec0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10f10
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f10f50
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f10f80
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f10fd0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11030
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11080
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f110c0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f110f0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11140
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f111a0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f111f0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11230
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11260
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f112b0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11310
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11360
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f113a0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f113d0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11420
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11480
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f114d0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11510
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11540
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11590
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f115f0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11640
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11680
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f116b0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11700
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11760
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f117b0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f117f0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11820
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11870
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f118d0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11920
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11960
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11990
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f119e0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11a40
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11a90
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11ad0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11b00
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11b50
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11bb0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11c00
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11c40
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11c70
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11cc0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11d20
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11d70
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11db0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11de0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11e30
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f11e90
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11ee0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f11f20
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f11f50
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f11fa0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f12000
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12050
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12090
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f120c0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12110
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f12170
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f121c0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12200
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f12230
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12280
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f122e0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12330
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12370
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f123a0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f123f0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f12450
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f124a0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f124e0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f12510
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12560
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f125c0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12610
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12650
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f12680
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f126d0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f12730
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12780
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f127c0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f127f0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12840
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f128a0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f128f0
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12930
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f12960
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f129b0
zio_vdev_io_start() at zio_vdev_io_start+0x34d/frame 0xfffffe0667f12a10
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12a60
vdev_queue_io_done() at vdev_queue_io_done+0xcd/frame 0xfffffe0667f12aa0
zio_vdev_io_done() at zio_vdev_io_done+0xd9/frame 0xfffffe0667f12ad0
zio_execute() at zio_execute+0x236/frame 0xfffffe0667f12b20
taskqueue_run_locked() at taskqueue_run_locked+0x14a/frame
0xfffffe0667f12b80
taskqueue_thread_loop() at taskqueue_thread_loop+0xe8/frame
0xfffffe0667f12bb0
fork_exit() at fork_exit+0x85/frame 0xfffffe0667f12bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0667f12bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
Uptime: 10d21h36m8s
Dumping 9138 out of 24531
MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/zfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
/usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/geom_eli.ko...Reading symbols from
/usr/lib/debug//boot/kernel/geom_eli.ko.debug...done.
done.
Loaded symbols for /boot/kernel/geom_eli.ko
Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols from
/usr/lib/debug//boot/kernel/geom_mirror.ko.debug...done.
done.
Loaded symbols for /boot/kernel/geom_mirror.ko
Reading symbols from /boot/kernel/aesni.ko...Reading symbols from
/usr/lib/debug//boot/kernel/aesni.ko.debug...done.
done.
Loaded symbols for /boot/kernel/aesni.ko
Reading symbols from /boot/kernel/uhid.ko...Reading symbols from
/usr/lib/debug//boot/kernel/uhid.ko.debug...done.
done.
Loaded symbols for /boot/kernel/uhid.ko
Reading symbols from /boot/kernel/ums.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ums.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ums.ko
Reading symbols from /boot/kernel/ipfw.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ipfw.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ipfw.ko
Reading symbols from /boot/kernel/ipfw_nat.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ipfw_nat.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ipfw_nat.ko
Reading symbols from /boot/kernel/libalias.ko...Reading symbols from
/usr/lib/debug//boot/kernel/libalias.ko.debug...done.
done.
Loaded symbols for /boot/kernel/libalias.ko
Reading symbols from /boot/kernel/daemon_saver.ko...Reading symbols from
/usr/lib/debug//boot/kernel/daemon_saver.ko.debug...done.
done.
Loaded symbols for /boot/kernel/daemon_saver.ko
#0  doadump (textdump=1) at pcpu.h:221
221    pcpu.h: No such file or directory.
    in pcpu.h
(kgdb) #0  doadump (textdump=1) at pcpu.h:221
#1  0xffffffff80ae548e in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:366
#2  0xffffffff80ae5a5b in vpanic (fmt=<value optimized out>,
    ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
#3  0xffffffff80ae5893 in panic (fmt=0x0)
    at /usr/src/sys/kern/kern_shutdown.c:690
#4  0xffffffff80fc9692 in dblfault_handler (frame=<value optimized out>)
    at /usr/src/sys/amd64/amd64/trap.c:868
#5  0xffffffff80fac15c in Xdblfault ()
    at /usr/src/sys/amd64/amd64/exception.S:292
#6  0xffffffff8220bc92 in vdev_queue_io_to_issue (vq=0xfffff804d86833e0)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:585
#7  0xffffffff8220c6e3 in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:881
#8  0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8018859c000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#9  0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#10 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8018859c000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#11 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#12 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#13 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff801df1f43b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#14 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#15 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff801df1f43b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#16 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#17 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#18 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8024583e770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#19 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#20 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8024583e770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#21 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#22 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#23 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff802e12df770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#24 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#25 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff802e12df770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#26 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#27 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#28 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8004f81f3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#29 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#30 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8004f81f3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#31 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#32 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#33 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8021bdf7b28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#34 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#35 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8021bdf7b28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#36 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#37 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#38 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80165851770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#39 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#40 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80165851770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#41 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#42 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#43 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8060de643b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#44 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#45 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8060de643b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#46 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#47 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#48 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff800793c0770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#49 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#50 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff800793c0770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#51 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#52 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#53 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8026917cb28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#54 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#55 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8026917cb28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#56 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#57 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#58 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8012408d3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#59 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#60 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8012408d3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#61 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#62 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#63 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff802bfc9ab28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#64 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#65 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff802bfc9ab28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#66 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#67 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#68 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff802dda5db28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#69 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#70 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff802dda5db28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#71 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#72 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#73 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff800ae13d000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#74 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#75 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff800ae13d000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#76 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#77 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#78 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff804a70efb28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#79 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#80 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff804a70efb28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#81 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#82 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#83 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80485f5f000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#84 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#85 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80485f5f000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#86 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#87 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#88 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff800666fc3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#89 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#90 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff800666fc3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#91 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#92 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#93 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8010da3ab28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#94 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#95 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8010da3ab28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#96 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#97 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#98 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80315f73770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#99 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#100 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80315f73770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#101 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#102 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#103 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff806011703b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#104 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#105 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff806011703b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#106 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#107 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#108 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff805964f1770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#109 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#110 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff805964f1770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#111 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#112 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#113 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8023902f770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#114 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#115 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8023902f770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#116 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#117 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#118 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff803bc7e2b28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#119 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#120 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff803bc7e2b28)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#121 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#122 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#123 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff804dfbf43b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#124 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#125 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff804dfbf43b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#126 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#127 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#128 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8005be4a3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#129 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#130 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8005be4a3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#131 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#132 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#133 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8004ff79000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#134 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#135 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8004ff79000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#136 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#137 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#138 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff801aa2a2000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#139 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#140 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff801aa2a2000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#141 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#142 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#143 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff800592003b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#144 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#145 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff800592003b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#146 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#147 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#148 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80202d11770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#149 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#150 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80202d11770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#151 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#152 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#153 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80392d3c3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#154 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#155 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80392d3c3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#156 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#157 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#158 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80550fdd000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#159 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#160 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80550fdd000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#161 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#162 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#163 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8055fd15770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#164 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#165 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8055fd15770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#166 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#167 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#168 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80576f99770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#169 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#170 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80576f99770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#171 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#172 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#173 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff802269bf000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#174 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#175 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff802269bf000)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#176 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#177 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#178 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff8003d7973b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#179 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#180 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff8003d7973b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#181 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#182 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#183 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff80108754770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#184 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#185 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff80108754770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#186 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#187 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#188 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff804cfdf7770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#189 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#190 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff804cfdf7770)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#191 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#192 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#193 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff801469a13b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#194 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#195 0xffffffff8222955d in zio_vdev_io_start (zio=0xfffff801469a13b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2870
#196 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#197 0xffffffff8220c72d in vdev_queue_io_done (zio=<value optimized out>)
    at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c:887
#198 0xffffffff82229719 in zio_vdev_io_done (zio=0xfffff805dcd9d3b8)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:2895
#199 0xffffffff82225d96 in zio_execute (zio=<value optimized out>)
    at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c:1556
#200 0xffffffff80b415aa in taskqueue_run_locked (queue=<value optimized
out>)
    at /usr/src/sys/kern/subr_taskqueue.c:465
#201 0xffffffff80b424b8 in taskqueue_thread_loop (arg=<value optimized out>)
    at /usr/src/sys/kern/subr_taskqueue.c:719
#202 0xffffffff80a9ad85 in fork_exit (
    callout=0xffffffff80b423d0 <taskqueue_thread_loop>,
    arg=0xfffff8037db02580, frame=0xfffffe0667f12c00)
    at /usr/src/sys/kern/kern_fork.c:1038
#203 0xffffffff80fac59e in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:611
#204 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal
(kgdb)

-- 
Karl Denninger
karl at denninger.net <mailto:karl at denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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