stable/11 r332356 started panicing in bpf_dtor/__mtx_lock_sleep

Eugene Grosbein eugen at grosbein.net
Tue Apr 17 09:30:25 UTC 2018


Hi!

I have a server that was running stable/11 rock-stable for many months.
A week ago I've updates it to 11.1-STABLE r332356 and today it paniced and I have crashdump.
Any thoughts?

Unread portion of the kernel message buffer:
Sleeping thread (tid 100444, pid 28400) owns a non-sleepable lock
KDB: stack backtrace of thread 100444:
sched_switch() at sched_switch+0x626/frame 0xfffffe03550f9740
mi_switch() at mi_switch+0xc5/frame 0xfffffe03550f9770
sleepq_wait() at sleepq_wait+0x2c/frame 0xfffffe03550f97a0
_sx_xlock_hard() at _sx_xlock_hard+0x2f0/frame 0xfffffe03550f9830
vlan_ioctl() at vlan_ioctl+0x53f/frame 0xfffffe03550f98b0
ifpromisc() at ifpromisc+0x106/frame 0xfffffe03550f9910
bpf_detachd_locked() at bpf_detachd_locked+0x1b4/frame 0xfffffe03550f9960
bpf_dtor() at bpf_dtor+0x9a/frame 0xfffffe03550f9990
devfs_fpdrop() at devfs_fpdrop+0x9c/frame 0xfffffe03550f99b0
devfs_close_f() at devfs_close_f+0x45/frame 0xfffffe03550f99e0
closef() at closef+0x209/frame 0xfffffe03550f9a70
closefp() at closefp+0x8b/frame 0xfffffe03550f9ab0
amd64_syscall() at amd64_syscall+0x25c/frame 0xfffffe03550f9bf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe03550f9bf0
--- syscall (6, FreeBSD ELF64, sys_close), rip = 0x4a317a, rsp = 0x7fffffffe3d8, rbp = 0x7fffffffe3f0 ---
panic: sleeping thread
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0354c6d7c0
vpanic() at vpanic+0x177/frame 0xfffffe0354c6d820
panic() at panic+0x43/frame 0xfffffe0354c6d880
propagate_priority() at propagate_priority+0x183/frame 0xfffffe0354c6d8b0
turnstile_wait() at turnstile_wait+0x2bc/frame 0xfffffe0354c6d900
__mtx_lock_sleep() at __mtx_lock_sleep+0x151/frame 0xfffffe0354c6d960
bpf_dtor() at bpf_dtor+0x191/frame 0xfffffe0354c6d990
devfs_fpdrop() at devfs_fpdrop+0x9c/frame 0xfffffe0354c6d9b0
devfs_close_f() at devfs_close_f+0x45/frame 0xfffffe0354c6d9e0
closef() at closef+0x209/frame 0xfffffe0354c6da70
closefp() at closefp+0x8b/frame 0xfffffe0354c6dab0
amd64_syscall() at amd64_syscall+0x25c/frame 0xfffffe0354c6dbf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0354c6dbf0
--- syscall (6, FreeBSD ELF64, sys_close), rip = 0x4a317a, rsp = 0x7fffffffe3d8, rbp = 0x7fffffffe3f0 ---
Uptime: 6d2h0m17s
Dumping 1414 out of 12265 MB:..2%..11%..21%..31%..41%..51%..62%..71%..81%..91%


(kgdb) bt
#0  doadump (textdump=1) at pcpu.h:229
#1  0xffffffff804f3b9a in kern_reboot (howto=260) at /usr/local/src/sys/kern/kern_shutdown.c:383
#2  0xffffffff804f3f81 in vpanic (fmt=<value optimized out>, ap=<value optimized out>)
    at /usr/local/src/sys/kern/kern_shutdown.c:776
#3  0xffffffff804f3dc3 in panic (fmt=<value optimized out>) at /usr/local/src/sys/kern/kern_shutdown.c:707
#4  0xffffffff80546b33 in propagate_priority (td=<value optimized out>) at /usr/local/src/sys/kern/subr_turnstile.c:226
#5  0xffffffff8054720c in turnstile_wait (ts=0xfffff80151ac4180, owner=<value optimized out>, queue=<value optimized out>)
    at /usr/local/src/sys/kern/subr_turnstile.c:742
#6  0xffffffff804dda81 in __mtx_lock_sleep (c=0xffffffff80c9c910, v=<value optimized out>)
    at /usr/local/src/sys/kern/kern_mutex.c:627
#7  0xffffffff805cd061 in bpf_dtor (data=0xfffff801512df800) at /usr/local/src/sys/net/bpf.c:778
#8  0xffffffff80455e5c in devfs_fpdrop (fp=<value optimized out>) at /usr/local/src/sys/fs/devfs/devfs_vnops.c:193
#9  0xffffffff804595d5 in devfs_close_f (fp=0xfffff802af2fe6e0, td=<value optimized out>)
    at /usr/local/src/sys/fs/devfs/devfs_vnops.c:675
#10 0xffffffff804b1549 in closef (fp=0xfffff802af2fe6e0, td=0xfffff8000cf75000) at file.h:346
#11 0xffffffff804af00b in closefp (fdp=0xfffff80083b48000, fd=<value optimized out>, fp=0xfffff802af2fe6e0,
    td=0xfffff8000cf75000, holdleaders=0) at /usr/local/src/sys/kern/kern_descrip.c:1191
#12 0xffffffff807afb6c in amd64_syscall (td=0xfffff8000cf75000, traced=0) at subr_syscall.c:132
#13 0xffffffff80791c3d in fast_syscall_common () at /usr/local/src/sys/amd64/amd64/exception.S:480
#14 0x00000000004a317a in ?? ()
Previous frame inner to this frame (corrupt stack?)


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