https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252575
Bug ID: 252575
Summary: panic: camq_remove: Attempt to remove out-of-bounds
index -2 from queue
Product: Base System
Version: 12.1-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Just had a server crash on me:
Hardware: HP ProLiant DL380G9 with HP H241 HBA:s (ciss) with a couple of
external D6020 JBOD SAS boxes filled with 10TB drives. The server crashes at
night when backups (writing to it) are running. Stays up fairly well during
daytime.
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
ciss0: WARNING: completing non-busy request
panic: camq_remove: Attempt to remove out-of-bounds index -2 from queue
0xfffff8010745e838 of size 5
cpuid = 3
time = 1610229478
KDB: stack backtrace:
#0 0xffffffff80c1e9a7 at kdb_backtrace+0x67
#1 0xffffffff80bd171d at vpanic+0x19d
#2 0xffffffff80bd1573 at panic+0x43
#3 0xffffffff80370f76 at camq_remove+0xf6
#4 0xffffffff803742e8 at xpt_run_devq+0x168
#5 0xffffffff803738f6 at xpt_action_default+0x836
#6 0xffffffff803a50b9 at dastart+0x2f9
#7 0xffffffff80375cf2 at xpt_run_allocq+0x172
#8 0xffffffff803a6d68 at dastrategy+0x88
#9 0xffffffff80b176e6 at g_disk_start+0x336
#10 0xffffffff80b1ab0c at g_io_request+0x27c
#11 0xffffffff80b1ab0c at g_io_request+0x27c
#12 0xffffffff82567b37 at zio_vdev_io_start+0x2a7
#13 0xffffffff82563f1c at zio_execute+0xac
#14 0xffffffff8256384a at zio_nowait+0xca
#15 0xffffffff8253e678 at vdev_queue_io_done+0x148
#16 0xffffffff82567e01 at zio_vdev_io_done+0x151
#17 0xffffffff82563f1c at zio_execute+0xac
I'm guessing this is due to some drive having problems. Currently unclear which
though. Trying to upgrade to 12.2 and we'll see if it behaves better...
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