[Bug 240145] [smartpqi][zfs] kernel panic with hanging vdev

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240145

--- Comment #10 from rainer at ultra-secure.de ---
OK, so I still get this panic:

[49406] [ERROR]::[55:655.0][0,68,0][CPU
9][pqi_map_request][540]:bus_dmamap_load_ccb failed = 36 count = 131072
[49406] [WARN]:[55:655.0][CPU 9][pqisrc_io_start][794]:In Progress on 68
[50411] panic: I/O to pool 'datapool' appears to be hung on vdev guid
3875563786885777386 at '/dev/da9'.
[50411] cpuid = 14
[50411] time = 1611665350
[50411] KDB: stack backtrace:
[50411] #0 0xffffffff80c0a8e5 at kdb_backtrace+0x65
[50411] #1 0xffffffff80bbeb9b at vpanic+0x17b
[50411] #2 0xffffffff80bbea13 at panic+0x43
[50411] #3 0xffffffff828a2314 at vdev_deadman+0x184
[50411] #4 0xffffffff828a21d1 at vdev_deadman+0x41
[50411] #5 0xffffffff828a21d1 at vdev_deadman+0x41
[50411] #6 0xffffffff828930f6 at spa_deadman+0x86
[50411] #7 0xffffffff80c1ced4 at taskqueue_run_locked+0x144
[50411] #8 0xffffffff80c1e2c6 at taskqueue_thread_loop+0xb6
[50411] #9 0xffffffff80b804ce at fork_exit+0x7e
[50411] #10 0xffffffff81067f9e at fork_trampoline+0xe
[50411] Uptime: 14h0m11s


This is with the OG Adaptec HBA:

<Adaptec Smart Adapter 3.21>       at scbus1 target 72 lun 0 (ses1,pass12)
<Adaptec 3154-8i 3.21>             at scbus1 target 1088 lun 0 (pass13)

set to HBA mode.

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