https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238076
--- Comment #3 from Dennis Clarke <dcla...@blastwave.org> ---
The panic is repeatable.
Seems to need a few tries to hit it on shutdown
ganymede# uname -a
FreeBSD ganymede 13.0-CURRENT FreeBSD 13.0-CURRENT r341837 QEMU riscv
ganymede# zpool status
pool: rv64imafdc
state: ONLINE
scan: resilvered 861M in 0 days 00:05:14 with 0 errors on Thu May 23 15:20:49
2019
config:
NAME STATE READ WRITE CKSUM
rv64imafdc ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
vtbd1 ONLINE 0 0 0
vtbd2 ONLINE 0 0 0
spares
vtbd3 AVAIL
errors: No known data errors
ganymede# sysctl hw.machine hw.ncpu hw.machine_arch kern.smp.maxcpus
kern.smp.active kern.smp.disabled kern.smp.cpus
hw.machine: riscv
hw.ncpu: 8
hw.machine_arch: riscv64
kern.smp.maxcpus: 16
kern.smp.active: 1
kern.smp.disabled: 0
kern.smp.cpus: 8
ganymede#
ganymede# uptime
12:07PM up 1 day, 21:03, 1 user, load averages: 0.41, 0.25, 0.18
ganymede#
ganymede#
ganymede#
ganymede# shutdown -p 'now'
Shutdown NOW!
shutdown: [pid 6028]
ganymede#
*** FINAL System shutdown message from root@ganymede ***
System going down IMMEDIATELY
System shutdown time has arrived
May 25 12:07:57 ganymede shutdown[6028]: power-down by root:
Stopping cron.
Waiting for PIDS: 561.
Stopping sshd.
Waiting for PIDS: 551.
90 second watchdog timeout expired. Shutdown terminated.
Sat May 25 12:09:34 UTC 2019
May 25 12:09:35 ganymede syslogd: exiting on signal 15
Waiting (max 60 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 0 0 0 done
Waiting (max 60 seconds) for system thread `bufdaemon' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-0' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-1' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-2' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-3' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-4' to stop... done
All buffers synced.
Uptime: 1d21h5m29s
panic: solaris assert: zrl->zr_refcount == 0 (0x3 == 0x0), file:
/usr/src/head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zrlock.c, line: 65
cpuid = 1
time = 1558786186
KDB: stack backtrace:
db_trace_self() at db_read_token+0x5e2
pc = 0xffffffc00046539a ra = 0xffffffc0000c1d52
sp = 0xffffffc06f85c7a0 fp = 0xffffffc06f85c9c0
db_read_token() at kdb_backtrace+0x2e
pc = 0xffffffc0000c1d52 ra = 0xffffffc0002156ea
sp = 0xffffffc06f85c9c0 fp = 0xffffffc06f85c9d0
kdb_backtrace() at vpanic+0x15a
pc = 0xffffffc0002156ea ra = 0xffffffc0001d9f8c
sp = 0xffffffc06f85c9d0 fp = 0xffffffc06f85ca10
vpanic() at panic+0x22
pc = 0xffffffc0001d9f8c ra = 0xffffffc0001d9fc4
sp = 0xffffffc06f85ca10 fp = 0xffffffc06f85ca30
panic() at assfail3+0x18
pc = 0xffffffc0001d9fc4 ra = 0xffffffc0013ec590
sp = 0xffffffc06f85ca30 fp = 0xffffffd005bb10a8
KDB: enter: panic
[ thread pid 0 tid 100108 ]
Stopped at kdb_enter+0x3a: c.ebreak
db> bt
Tracing pid 0 tid 100108 td 0xffffffd0058d0000
db_trace_self() at db_trace_thread+0x3c
pc = 0xffffffc00046539a ra = 0xffffffc00046542c
sp = 0xffffffc06f85c448 fp = 0xffffffc06f85c478
db_trace_thread() at db_skip_to_eol+0x300
pc = 0xffffffc00046542c ra = 0xffffffc0000bf8e4
sp = 0xffffffc06f85c478 fp = 0xffffffc06f85c4a8
db_skip_to_eol() at db_skip_to_eol+0x414
pc = 0xffffffc0000bf8e4 ra = 0xffffffc0000bf9f8
sp = 0xffffffc06f85c4a8 fp = 0xffffffc06f85c598
db_skip_to_eol() at db_command_loop+0x74
pc = 0xffffffc0000bf9f8 ra = 0xffffffc0000bff28
sp = 0xffffffc06f85c598 fp = 0xffffffc06f85c5d8
db_command_loop() at db_read_token+0x4ba
pc = 0xffffffc0000bff28 ra = 0xffffffc0000c1c2a
sp = 0xffffffc06f85c5d8 fp = 0xffffffc06f85c818
db_read_token() at kdb_trap+0x122
pc = 0xffffffc0000c1c2a ra = 0xffffffc000215e1c
sp = 0xffffffc06f85c818 fp = 0xffffffc06f85c878
kdb_trap() at do_trap_supervisor+0x96
pc = 0xffffffc000215e1c ra = 0xffffffc00046f064
sp = 0xffffffc06f85c878 fp = 0xffffffc06f85c898
do_trap_supervisor() at cpu_exception_handler_supervisor+0x68
pc = 0xffffffc00046f064 ra = 0xffffffc000465a28
sp = 0xffffffc06f85c898 fp = 0xffffffc06f85c9d0
cpu_exception_handler_supervisor() at vpanic+0x16a
pc = 0xffffffc000465a28 ra = 0xffffffc0001d9f9c
sp = 0xffffffc06f85c9d0 fp = 0xffffffc06f85ca10
vpanic() at panic+0x22
pc = 0xffffffc0001d9f9c ra = 0xffffffc0001d9fc4
sp = 0xffffffc06f85ca10 fp = 0xffffffc06f85ca30
panic() at assfail3+0x18
pc = 0xffffffc0001d9fc4 ra = 0xffffffc0013ec590
sp = 0xffffffc06f85ca30 fp = 0xffffffd005bb10a8
db> halt
panic: cpu_halt
cpuid = 1
time = 1558786186
KDB: stack backtrace:
db_trace_self() at db_read_token+0x5e2
pc = 0xffffffc00046539a ra = 0xffffffc0000c1d52
sp = 0xffffffc06f85c1b8 fp = 0xffffffc06f85c3d8
db_read_token() at kdb_backtrace+0x2e
pc = 0xffffffc0000c1d52 ra = 0xffffffc0002156ea
sp = 0xffffffc06f85c3d8 fp = 0xffffffc06f85c3e8
kdb_backtrace() at vpanic+0x15a
pc = 0xffffffc0002156ea ra = 0xffffffc0001d9f8c
sp = 0xffffffc06f85c3e8 fp = 0xffffffc06f85c428
vpanic() at panic+0x22
pc = 0xffffffc0001d9f8c ra = 0xffffffc0001d9fc4
sp = 0xffffffc06f85c428 fp = 0xffffffc06f85c448
panic() at cpu_halt+0x14
pc = 0xffffffc0001d9fc4 ra = 0xffffffc0004668f0
sp = 0xffffffc06f85c448 fp = 0xffffffc06f85c498
cpu_halt() at db_capture_cmd+0x296
pc = 0xffffffc0004668f0 ra = 0xffffffc0000bf47a
sp = 0xffffffc06f85c498 fp = 0xffffffc06f85c4a8
db_capture_cmd() at db_skip_to_eol+0x414
pc = 0xffffffc0000bf47a ra = 0xffffffc0000bf9f8
sp = 0xffffffc06f85c4a8 fp = 0xffffffc06f85c598
db_skip_to_eol() at db_command_loop+0x74
pc = 0xffffffc0000bf9f8 ra = 0xffffffc0000bff28
sp = 0xffffffc06f85c598 fp = 0xffffffc06f85c5d8
db_command_loop() at db_read_token+0x4ba
pc = 0xffffffc0000bff28 ra = 0xffffffc0000c1c2a
sp = 0xffffffc06f85c5d8 fp = 0xffffffc06f85c818
db_read_token() at kdb_trap+0x122
pc = 0xffffffc0000c1c2a ra = 0xffffffc000215e1c
sp = 0xffffffc06f85c818 fp = 0xffffffc06f85c878
kdb_trap() at do_trap_supervisor+0x96
pc = 0xffffffc000215e1c ra = 0xffffffc00046f064
sp = 0xffffffc06f85c878 fp = 0xffffffc06f85c898
do_trap_supervisor() at cpu_exception_handler_supervisor+0x68
pc = 0xffffffc00046f064 ra = 0xffffffc000465a28
sp = 0xffffffc06f85c898 fp = 0xffffffc06f85c9d0
cpu_exception_handler_supervisor() at vpanic+0x16a
pc = 0xffffffc000465a28 ra = 0xffffffc0001d9f9c
sp = 0xffffffc06f85c9d0 fp = 0xffffffc06f85ca10
vpanic() at panic+0x22
pc = 0xffffffc0001d9f9c ra = 0xffffffc0001d9fc4
sp = 0xffffffc06f85ca10 fp = 0xffffffc06f85ca30
panic() at assfail3+0x18
pc = 0xffffffc0001d9fc4 ra = 0xffffffc0013ec590
sp = 0xffffffc06f85ca30 fp = 0xffffffd005bb10a8
Uptime: 1d21h5m29s
Rebooting...
Power off
titan$
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