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Subject: [Bug 192825] Continual Core Dumps vm_page_unwire: wire count is zero
Date: Mon, 01 Jun 2015 09:10:06 +0000
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X-Bugzilla-Version: 9.2-RELEASE
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X-Bugzilla-Severity: Affects Many People
X-Bugzilla-Who: nicolas.masse@stormshield.eu
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D192825

Masse Nicolas <nicolas.masse@stormshield.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nicolas.masse@stormshield.e
                   |                            |u

--- Comment #3 from Masse Nicolas <nicolas.masse@stormshield.eu> ---
I have the same issue here on FreeBSD-9.3. And I'm working on a physical
machine, not a Virtual one.
Stacktrace :
#0  doadump (textdump=3D16192120) at ../../../kern/kern_shutdown.c:277
#1  0xffffffff802e8d5c in db_fncall_generic (addr=3D-2142138064,
rv=3D0xffffff8000f71218, nargs=3D0, args=3D0xffffff8000f711c0) at
../../../ddb/db_command.c:573
#2  0xffffffff802e8c65 in db_fncall (dummy1=3D-549739621760, dummy2=3D0,
dummy3=3D-549739621568, dummy4=3D0xffffff8000f71290
"<o\211\200=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD\204\034=EF=BF=BD\200=EF=BF=
=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD")
    at ../../../ddb/db_command.c:625
#3  0xffffffff802e8899 in db_command (last_cmdp=3D0xffffffff80bf0d20,
cmd_table=3D0x0, dopager=3D0) at ../../../ddb/db_command.c:449
#4  0xffffffff802e8a69 in db_command_script (command=3D0xffffffff80bf1c85 "=
call
doadump()") at ../../../ddb/db_command.c:520
#5  0xffffffff802edefe in db_script_exec (scriptname=3D0xffffffff80896f3c
"kdb.enter.default", warnifnotfound=3D0) at ../../../ddb/db_script.c:302
#6  0xffffffff802edfc5 in db_script_kdbenter (eventname=3D0xffffffff808e23a2
"panic") at ../../../ddb/db_script.c:325
#7  0xffffffff802eb80b in db_trap (type=3D3, code=3D0) at
../../../ddb/db_main.c:230
#8  0xffffffff8055d56b in kdb_trap (type=3D3, code=3D0, tf=3D0xffffff8000f7=
1770) at
../../../kern/subr_kdb.c:651
#9  0xffffffff80804b72 in trap (frame=3D0xffffff8000f71770) at
../../../amd64/amd64/trap.c:572
#10 0xffffffff807e7083 in calltrap () at ../../../amd64/amd64/exception.S:2=
32
#11 0xffffffff8055cfd5 in breakpoint () at cpufunc.h:63
#12 0xffffffff8055cfc2 in kdb_enter (why=3D0xffffffff808e23a2 "panic",
msg=3D0xffffffff808e23a2 "panic") at ../../../kern/subr_kdb.c:440
#13 0xffffffff8051a181 in panic (fmt=3D0xffffffff8092caa0 "vm_page_unwire: =
page
%p's wire count is zero") at ../../../kern/kern_shutdown.c:736
#14 0xffffffff807d0836 in vm_page_unwire (m=3D0xfffffe00d91e90c8, activate=
=3D1) at
../../../vm/vm_page.c:2219
#15 0xffffffff807b8822 in vm_fault_unwire (map=3D0xfffffe0076ddb4b0,
start=3D34366525440, end=3D34366529536, fictitious=3D0) at
../../../vm/vm_fault.c:1242
#16 0xffffffff807c18e9 in vm_map_entry_unwire (map=3D0xfffffe0076ddb4b0,
entry=3D0xfffffe008d434600) at ../../../vm/vm_map.c:2754
#17 0xffffffff807c1e44 in vm_map_delete (map=3D0xfffffe0076ddb4b0,
start=3D34366525440, end=3D34366529536) at ../../../vm/vm_map.c:2916
#18 0xffffffff807c5a9c in sys_munmap (td=3D0xfffffe0076d29490,
uap=3D0xffffff8000f71bc0) at ../../../vm/vm_mmap.c:613
#19 0xffffffff8080626c in syscallenter (td=3D0xfffffe0076d29490,
sa=3D0xffffff8000f71bb0) at subr_syscall.c:133
#20 0xffffffff80805d79 in amd64_syscall (td=3D0xfffffe0076d29490, traced=3D=
0) at
../../../amd64/amd64/trap.c:979
#21 0xffffffff807e7367 in Xfast_syscall () at
../../../amd64/amd64/exception.S:391
#22 0x00000008011ec16c in ?? ()

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