[Bug 222624] [usb] [panic] thread's sleep queue 0 is not empty at usb_process.c:193

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Sep 26 14:17:32 UTC 2017


            Bug ID: 222624
           Summary: [usb] [panic] thread's sleep queue 0 is not empty at
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: decke at FreeBSD.org

panic: thread's sleep queue 0 is not empty

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Unread portion of the kernel message buffer:
panic: thread's sleep queue 0 is not empty
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe04607079d0
vpanic() at vpanic+0x186/frame 0xfffffe0460707a50
kassert_panic() at kassert_panic+0x126/frame 0xfffffe0460707ac0
sleepq_add() at sleepq_add+0x382/frame 0xfffffe0460707b10
_cv_wait() at _cv_wait+0x1a2/frame 0xfffffe0460707b70
usb_process() at usb_process+0x17b/frame 0xfffffe0460707bb0
fork_exit() at fork_exit+0x84/frame 0xfffffe0460707bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0460707bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
Uptime: 4d20h19m6s
Dumping 1697 out of 16239 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

Loaded symbols for /boot/kernel/cpuctl.ko
#0  doadump (textdump=1) at pcpu.h:222
222     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=1) at pcpu.h:222
#1  0xffffffff80a4f205 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:366
#2  0xffffffff80a4f7e0 in vpanic (fmt=<value optimized out>,
    ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
#3  0xffffffff80a4f616 in kassert_panic (fmt=<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:649
#4  0xffffffff80a9dbd2 in sleepq_add (wchan=0xfffffe0000fcee70,
    lock=0xfffffe0000fcf140, wmesg=0xffffffff81411eaf "-",
    flags=<value optimized out>, queue=0)
    at /usr/src/sys/kern/subr_sleepqueue.c:332
#5  0xffffffff809edce2 in _cv_wait (cvp=0xfffffe0000fcee70,
    lock=0xfffffe0000fcf140) at /usr/src/sys/kern/kern_condvar.c:135
#6  0xffffffff808b129b in usb_process (arg=0xfffffe0000fcee60)
    at /usr/src/sys/dev/usb/usb_process.c:193
#7  0xffffffff80a11614 in fork_exit (
    callout=0xffffffff808b1120 <usb_process>, arg=0xfffffe0000fcee60,
    frame=0xfffffe0460707c00) at /usr/src/sys/kern/kern_fork.c:1042
#8  0xffffffff80eaca2e in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:611
#9  0x0000000000000000 in ?? ()
Current language:  auto; currently minimal

Kernel config:

include GENERIC
ident DEBUG


# Debugging options
options         DDB
options         INVARIANTS
options         INVARIANT_SUPPORT
options         WITNESS
options         WITNESS_SKIPSPIN

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