Bug 232044
| Summary: | [panic] sleepq_add: ...with sleeping prohibited after ejecting ODD/DVD media [cdcheckmedia() cam_periph_runccb()] | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Harald Schmalzbauer <bugzilla.freebsd> |
| Component: | bin | Assignee: | freebsd-bugs (Nobody) <bugs> |
| Status: | Closed DUPLICATE | ||
| Severity: | Affects Some People | CC: | ken |
| Priority: | --- | ||
| Version: | CURRENT | ||
| Hardware: | Any | ||
| OS: | Any | ||
*** This bug has been marked as a duplicate of bug 219857 *** |
Hello, the following panic happens immediately after I eject ODD media on 12.0_ALPHA8 #0 r339222M: panic: sleepq_add: td 0xfffff80002760580 to sleep on wchan 0xfffff8000a905048 with sleeping prohibited cpuid = 0 time = 1538941032 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00004e2610 vpanic() at vpanic+0x1a3/frame 0xfffffe00004e2670 panic() at panic+0x43/frame 0xfffffe00004e26d0 sleepq_add() at sleepq_add+0x32c/frame 0xfffffe00004e2720 _sleep() at _sleep+0x261/frame 0xfffffe00004e27c0 cam_periph_runccb() at cam_periph_runccb+0x18d/frame 0xfffffe00004e2910 cdcheckmedia() at cdcheckmedia+0x8a/frame 0xfffffe00004e2990 cdstrategy() at cdstrategy+0x55/frame 0xfffffe00004e29c0 g_disk_start() at g_disk_start+0x334/frame 0xfffffe00004e2a20 g_io_schedule_down() at g_io_schedule_down+0x105/frame 0xfffffe00004e2a60 g_down_procbody() at g_down_procbody+0x6d/frame 0xfffffe00004e2a70 fork_exit() at fork_exit+0x84/frame 0xfffffe00004e2ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00004e2ab0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic #10 0xffffffff80592083 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:799 #11 0xffffffff805e748c in sleepq_add (wchan=0xfffff8000a905048, lock=0xfffff8000a94dcd0, wmesg=0xffffffff809cdf89 "cbwait", flags=0, queue=0) at /usr/src/sys/kern/subr_sleepqueue.c:319 #12 0xffffffff8059ccd1 in _sleep (ident=0xfffff8000a905048, lock=<value optimized out>, priority=92, wmesg=0xffffffff809cdf89 "cbwait", sbt=<value optimized out>, pr=0, flags=256) at /usr/src/sys/kern/kern_synch.c:201 #13 0xffffffff802ba7ed in cam_periph_runccb (ccb=0xfffff8000a905000, error_routine=0xffffffff802e10e0 <cderror>, camflags=CAM_RETRY_SELTO, sense_flags=3, ds=0xfffff8000aa7fc60) at /usr/src/sys/cam/cam_periph.c:1141 #14 0xffffffff802e09ea in cdcheckmedia (periph=0xfffff8000ad44300) at /usr/src/sys/cam/scsi/scsi_cd.c:821 #15 0xffffffff802dd125 in cdstrategy (bp=0xfffff8000aa2f600) at /usr/src/sys/cam/scsi/scsi_cd.c:861 #16 0xffffffff8050eb54 in g_disk_start (bp=<value optimized out>) at /usr/src/sys/geom/geom_disk.c:478 #17 0xffffffff80512575 in g_io_schedule_down (tp=<value optimized out>) at /usr/src/sys/geom/geom_io.c:893 #18 0xffffffff80512d6d in g_down_procbody (arg=<value optimized out>) at /usr/src/sys/geom/geom_kern.c:111 #19 0xffffffff8055a5d4 in fork_exit (callout=0xffffffff80512d00 <g_down_procbody>, arg=0x0, frame=0xfffffe00004e2ac0) at /usr/src/sys/kern/kern_fork.c:1057 #20 0xffffffff808b917e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:993 #21 0x0000000000000000 in ?? () I've no idea where to start, hope this is trivial to fix before 12.0-release. -harry