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kgdb backtrace:
#0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57
#1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown=
.c:405
#2 0xffffffff80b42d37 in kern_reboot (howto=3D260)
at /usr/src/sys/kern/kern_shutdown.c:526
#3 0xffffffff80b4320f in vpanic (fmt=3D0xffffffff81136b3b "%s",
ap=3Dap@entry=3D0xfffffe022b901c30) at /usr/src/sys/kern/kern_shutdown.=
c:970
#4 0xffffffff80b43063 in panic (fmt=3D<unavailable>)
at /usr/src/sys/kern/kern_shutdown.c:894
#5 0xffffffff8100c85c in trap_fatal (frame=3D0xfffffe022b901d20, eva=3D0)
at /usr/src/sys/amd64/amd64/trap.c:952
#6 0xffffffff8100c8af in trap_pfault (frame=3D0xfffffe022b901d20,
usermode=3Dfalse, signo=3D<optimized out>, ucode=3D<optimized out>)
at /usr/src/sys/amd64/amd64/trap.c:760
#7 <signal handler called>
#8 0xffffffff820975a1 in list_remove (list=3D0xfffff8000234cf60,
object=3Dobject@entry=3D0xfffff800022f8328)
at /usr/src/sys/contrib/openzfs/module/os/freebsd/spl/list.c:127
#9 0xffffffff8216158e in multilist_sublist_remove (
mls=3Dmls@entry=3D0xfffff8000234cf40, obj=3Dobj@entry=3D0xfffff800022f8=
328)
at /usr/src/sys/contrib/openzfs/module/zfs/multilist.c:363
#10 0xffffffff82105083 in dmu_objset_sync_dnodes (list=3D0xfffff8000234cf40,
tx=3D0xfffff80aa5726c00)
at /usr/src/sys/contrib/openzfs/module/zfs/dmu_objset.c:1557
#11 sync_dnodes_task (arg=3D0xfffff8083ac22e60)
at /usr/src/sys/contrib/openzfs/module/zfs/dmu_objset.c:1638
#12 0xffffffff8209addf in taskq_run (arg=3D0xfffff8005728f900,
pending=3D<optimized out>)
at /usr/src/sys/contrib/openzfs/module/os/freebsd/spl/spl_taskq.c:320
#13 0xffffffff80ba5992 in taskqueue_run_locked (
queue=3Dqueue@entry=3D0xfffff80002356300)
at /usr/src/sys/kern/subr_taskqueue.c:512
#14 0xffffffff80ba6c22 in taskqueue_thread_loop (
arg=3Darg@entry=3D0xfffff80003a91620) at /usr/src/sys/kern/subr_taskque=
ue.c:824
#15 0xffffffff80afdb7f in fork_exit (
callout=3D0xffffffff80ba6b60 <taskqueue_thread_loop>,
arg=3D0xfffff80003a91620, frame=3D0xfffffe022b901f40)
at /usr/src/sys/kern/kern_fork.c:1160
#16 <signal handler called>
See attached for core.txt
This seems to happen intermittently while running a backup, which is perfor=
med
by a remote computer running `zfs send` through SSH.
If there's anything else you'd like to see please let me know. I have a full
vmcore as well if needed (11GB). I am also able to run kgdb to inspect said
vmcore.
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