The panic occurred during a zfs send/receive operation for system
backup..... I've seen this one before, unfortunately, and it appears
that it's still there -- may be related to
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207464

On 7/20/2016 09:26, Karl Denninger wrote:
> 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
>     k...@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    
> k...@newfs.denninger.net:/usr/obj/usr/src/sys/KSD-SMP  amd64
>
> panic: double fault
>
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> 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
k...@denninger.net <mailto:k...@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/

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