[Bug 203175] Daily kernel crashes on 10.2-p2 using VIMAGE

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203175

--- Comment #1 from Palle Girgensohn <girgen at FreeBSD.org> ---
We have now seen the same problem in the older kernel as well.

Something with forking and tcp:

Need help here...

(kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff80949a42 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:451
#2  0xffffffff80949e25 in vpanic (fmt=<value optimized out>, 
    ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:758
#3  0xffffffff80949cb3 in panic (fmt=0x0)
    at /usr/src/sys/kern/kern_shutdown.c:687
#4  0xffffffff80d5cf9b in trap_fatal (frame=<value optimized out>, 
    eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:851
#5  0xffffffff80d5d29d in trap_pfault (frame=0xfffffe1760bc1840, 
    usermode=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:674
#6  0xffffffff80d5c93a in trap (frame=0xfffffe1760bc1840)
    at /usr/src/sys/amd64/amd64/trap.c:440
#7  0xffffffff80d42cb2 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:236
#8  0xffffffff809984cc in turnstile_broadcast (ts=0x0, queue=1)
    at /usr/src/sys/kern/subr_turnstile.c:838
#9  0xffffffff809480c0 in __rw_wunlock_hard (c=0xfffff8123b287618, tid=1, 
    file=0x1 <Address 0x1 out of bounds>, line=1)
    at /usr/src/sys/kern/kern_rwlock.c:988
#10 0xffffffff80b066a4 in tcp_twclose (tw=<value optimized out>, 
    reuse=<value optimized out>) at /usr/src/sys/netinet/tcp_timewait.c:540
#11 0xffffffff80b06ceb in tcp_tw_2msl_scan (reuse=0)
    at /usr/src/sys/netinet/tcp_timewait.c:748
#12 0xffffffff80b049be in tcp_slowtimo ()
    at /usr/src/sys/netinet/tcp_timer.c:198
#13 0xffffffff809b78b4 in pfslowtimo (arg=0x0)
    at /usr/src/sys/kern/uipc_domain.c:508
#14 0xffffffff8095f8db in softclock_call_cc (c=0xffffffff81620bf0, 
    cc=0xffffffff8169dc00, direct=0) at /usr/src/sys/kern/kern_timeout.c:685
#15 0xffffffff8095fd04 in softclock (arg=0xffffffff8169dc00)
    at /usr/src/sys/kern/kern_timeout.c:814
#16 0xffffffff809158eb in intr_event_execute_handlers (
    p=<value optimized out>, ie=0xfffff801102e0d00)
    at /usr/src/sys/kern/kern_intr.c:1264
#17 0xffffffff80915d36 in ithread_loop (arg=0xfffff801102adee0)
    at /usr/src/sys/kern/kern_intr.c:1277
#18 0xffffffff8091343a in fork_exit (
    callout=0xffffffff80915ca0 <ithread_loop>, arg=0xfffff801102adee0, 
    frame=0xfffffe1760bc1c00) at /usr/src/sys/kern/kern_fork.c:1018
#19 0xffffffff80d431ee in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:611
#20 0x0000000000000000 in ?? ()

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