[Bug 194264] race between unp_dispose (called from sofree) and unp_gc

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194264

johans <johan at 300.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |johan at 300.nl

--- Comment #3 from johans <johan at 300.nl> ---
Is there anything known more on this bug? We're getting the same (or similar)
panic on 10.1-RELENG (with few custom patches backported from 10-STABLE).

#0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff8091e882 in kern_reboot (howto=260) at
/release/usr/src/sys/kern/kern_shutdown.c:452
#2  0xffffffff8091ed75 in vpanic (fmt=<value optimized out>, ap=<value
optimized out>) at /release/usr/src/sys/kern/kern_shutdown.c:759
#3  0xffffffff8091edc3 in panic (fmt=0x0) at
/release/usr/src/sys/kern/kern_shutdown.c:688
#4  0xffffffff80d1fc7f in trap_fatal (frame=<value optimized out>, eva=<value
optimized out>) at /release/usr/src/sys/amd64/amd64/trap.c:865
#5  0xffffffff80d1f8d8 in trap (frame=<value optimized out>) at
/release/usr/src/sys/amd64/amd64/trap.c:203
#6  0xffffffff80d03972 in calltrap () at
/release/usr/src/sys/amd64/amd64/exception.S:232
#7  0xffffffff809a4148 in unp_gc (arg=0x8, pending=24) at
/release/usr/src/sys/kern/uipc_usrreq.c:2152
#8  0xffffffff80967030 in taskqueue_run_locked (queue=0xfffff80003f99e00) at
/release/usr/src/sys/kern/subr_taskqueue.c:342
#9  0xffffffff8096799b in taskqueue_thread_loop (arg=<value optimized out>) at
/release/usr/src/sys/kern/subr_taskqueue.c:563
#10 0xffffffff808ee384 in fork_exit (callout=0xffffffff80967900
<taskqueue_thread_loop>, arg=0xffffffff8166c160, frame=0xfffffe03ce7e5c00)
    at /release/usr/src/sys/kern/kern_fork.c:996
#11 0xffffffff80d03eae in fork_trampoline () at
/release/usr/src/sys/amd64/amd64/exception.S:606
#12 0x0000000000000000 in ?? ()


We have kernel dumps available if needed.

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