[Bug 231251] [ZFS assfail] 12-ALPHA5 r338529 panic

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231251

--- Comment #10 from Jeremy Faulkner <gldisater at gmail.com> ---
Core dump will be uploaded in about an hour. This panic happened over night
while scrubbing and synchronizing siad, and of course daily scripts running.

panic: solaris assert: HDR_EMPTY(hdr), file:
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c, line: 6213
cpuid = 1
time = 1538641234
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0398ce0770
vpanic() at vpanic+0x1a3/frame 0xfffffe0398ce07d0
panic() at panic+0x43/frame 0xfffffe0398ce0830
assfail() at assfail+0x1a/frame 0xfffffe0398ce0840
arc_release() at arc_release+0x940/frame 0xfffffe0398ce08d0
dbuf_redirty() at dbuf_redirty+0x56/frame 0xfffffe0398ce08f0
dmu_buf_will_dirty() at dmu_buf_will_dirty+0x120/frame 0xfffffe0398ce0920
dmu_write_uio_dnode() at dmu_write_uio_dnode+0x129/frame 0xfffffe0398ce09a0
zvol_write() at zvol_write+0x151/frame 0xfffffe0398ce0a00
ctl_be_block_dispatch_zvol() at ctl_be_block_dispatch_zvol+0x228/frame
0xfffffe0398ce0a80
ctl_be_block_worker() at ctl_be_block_worker+0x6c/frame 0xfffffe0398ce0b20
taskqueue_run_locked() at taskqueue_run_locked+0x10c/frame 0xfffffe0398ce0b80
taskqueue_thread_loop() at taskqueue_thread_loop+0x88/frame 0xfffffe0398ce0bb0
fork_exit() at fork_exit+0x84/frame 0xfffffe0398ce0bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0398ce0bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic

__curthread () at ./machine/pcpu.h:230
230             __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb)

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