- Unread portion of the kernel message buffer:
- panic: sleepq_add: td 0xfffff800035d8560 to sleep on wchan 0xfffff800054b0048 with sleeping prohibited
- cpuid = 0
- #0 __curthread () at ./machine/pcpu.h:230
- #1 doadump (textdump=1) at /zroot/zfs_zstd/head/sys/kern/kern_shutdown.c:347
- #2 0xffffffff80ac9242 in kern_reboot (howto=260) at /zroot/zfs_zstd/head/sys/kern/kern_shutdown.c:416
- #3 0xffffffff80ac980d in vpanic (fmt=<optimized out>, ap=0xfffffe00265097b0) at /zroot/zfs_zstd/head/sys/kern/kern_shutdown.c:812
- #4 0xffffffff80ac9620 in kassert_panic (fmt=0xffffffff811c9eaf "%s: td %p to sleep on wchan %p with sleeping prohibited")
- at /zroot/zfs_zstd/head/sys/kern/kern_shutdown.c:698
- #5 0xffffffff80b1c3e8 in sleepq_add (wchan=0xfffff800054b0048, lock=0xfffff8000549b4d0, wmesg=0xffffffff811c3914 "cbwait", flags=0, queue=0)
- at /zroot/zfs_zstd/head/sys/kern/subr_sleepqueue.c:319
- #6 0xffffffff80ad3a91 in _sleep (ident=0xfffff800054b0048, lock=<optimized out>, priority=92, wmesg=0xffffffff811c3914 "cbwait", sbt=0, pr=0,
- flags=256) at /zroot/zfs_zstd/head/sys/kern/kern_synch.c:200
- #7 0xffffffff803356ad in cam_periph_ccbwait (ccb=<optimized out>) at /zroot/zfs_zstd/head/sys/cam/cam_periph.c:1141
- #8 cam_periph_runccb (ccb=0xfffff800054b0000, error_routine=0xffffffff8035e790 <cderror>, camflags=CAM_RETRY_SELTO, sense_flags=3,
- ds=0xfffff800054f2480) at /zroot/zfs_zstd/head/sys/cam/cam_periph.c:1222
- #9 0xffffffff8035db73 in cdrunccb (error_routine=<unavailable>, cam_flags=2, ccb=<optimized out>, sense_flags=<optimized out>)
- at /zroot/zfs_zstd/head/sys/cam/scsi/scsi_cd.c:808
- #10 cdprevent (periph=0xfffff800054f5e00, action=1) at /zroot/zfs_zstd/head/sys/cam/scsi/scsi_cd.c:2185
- #11 cdcheckmedia (periph=0xfffff800054f5e00) at /zroot/zfs_zstd/head/sys/cam/scsi/scsi_cd.c:2213
- #12 0xffffffff8035a1a5 in cdstrategy (bp=0xfffff8000564aa80) at /zroot/zfs_zstd/head/sys/cam/scsi/scsi_cd.c:848
- #13 0xffffffff80a0ff1e in g_disk_start (bp=<optimized out>) at /zroot/zfs_zstd/head/sys/geom/geom_disk.c:478
- #14 0xffffffff80a13e15 in g_io_schedule_down (tp=<optimized out>) at /zroot/zfs_zstd/head/sys/geom/geom_io.c:893
- #15 0xffffffff80a1461d in g_down_procbody (arg=<optimized out>) at /zroot/zfs_zstd/head/sys/geom/geom_kern.c:111
- #16 0xffffffff80a89e34 in fork_exit (callout=0xffffffff80a145b0 <g_down_procbody>, arg=0x0, frame=0xfffffe0026509c00)
- at /zroot/zfs_zstd/head/sys/kern/kern_fork.c:1038
- #17 <signal handler called>