[Bug 200973] Fatal trap 9: general protection fault while in kernel mode

Fri Jun 19 15:26:51 UTC 2015

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200973

            Bug ID: 200973
           Summary: Fatal trap 9: general protection fault while in kernel
                    mode
           Product: Base System
           Version: 10.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: tatarenko at alpha-it.ru

Fri Jun 19 17:44:09 MSK 2015

FreeBSD server.dc3.instatfootball.tv 10.1-RELEASE-p13 FreeBSD 10.1-RELEASE-p13
#2: Thu Jun 18 21:51:24 MSK 2015    
admin at server.dc3.instatfootball.tv:/usr/obj/usr/src/sys/CORV1  amd64

panic: general protection fault

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Unread portion of the kernel message buffer:

Fatal trap 9: general protection fault while in kernel mode
cpuid = 4; apic id = 04
instruction pointer     = 0x20:0xffffffff80aff484
stack pointer           = 0x28:0xfffffe08367bb820
frame pointer           = 0x28:0xfffffe08367bb860
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 12 (swi4: clock)
trap number             = 9
panic: general protection fault
cpuid = 4
KDB: stack backtrace:
#0 0xffffffff80967d80 at kdb_backtrace+0x60
#1 0xffffffff8092ca55 at panic+0x155
#2 0xffffffff80d7344f at trap_fatal+0x38f
#3 0xffffffff80d730ac at trap+0x75c
#4 0xffffffff80d58cb2 at calltrap+0x8
#5 0xffffffff80affaef at tcp_tw_2msl_scan+0x8f
#6 0xffffffff80afdaa5 at tcp_slowtimo+0x95
#7 0xffffffff809989d4 at pfslowtimo+0x54
#8 0xffffffff80941f17 at softclock_call_cc+0x177
#9 0xffffffff80942354 at softclock+0x94
#10 0xffffffff808ff5eb at intr_event_execute_handlers+0xab
#11 0xffffffff808ffa36 at ithread_loop+0x96
#12 0xffffffff808fd13a at fork_exit+0x9a
#13 0xffffffff80d591ee at fork_trampoline+0xe
Uptime: 19h23m41s
Dumping 2904 out of 32603 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

Reading symbols from /boot/kernel/zfs.ko.symbols...done.
Loaded symbols for /boot/kernel/zfs.ko.symbols
Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
Loaded symbols for /boot/kernel/opensolaris.ko.symbols
Reading symbols from /boot/kernel/if_re.ko.symbols...done.
Loaded symbols for /boot/kernel/if_re.ko.symbols
Reading symbols from /boot/kernel/tmpfs.ko.symbols...done.
Loaded symbols for /boot/kernel/tmpfs.ko.symbols
Reading symbols from /boot/kernel/fdescfs.ko.symbols...done.
Loaded symbols for /boot/kernel/fdescfs.ko.symbols
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
219     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff8092c6d2 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:452
#2  0xffffffff8092ca94 in panic (fmt=<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:759
#3  0xffffffff80d7344f in trap_fatal (frame=<value optimized out>,
    eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:865
#4  0xffffffff80d730ac in trap (frame=<value optimized out>)
    at /usr/src/sys/amd64/amd64/trap.c:203
#5  0xffffffff80d58cb2 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:232
#6  0xffffffff80aff484 in tcp_twclose (tw=0xfffff804e5baf268, reuse=0)
    at /usr/src/sys/netinet/tcp_timewait.c:631
#7  0xffffffff80affaef in tcp_tw_2msl_scan (reuse=0)
    at /usr/src/sys/netinet/tcp_timewait.c:645
#8  0xffffffff80afdaa5 in tcp_slowtimo ()
    at /usr/src/sys/netinet/tcp_timer.c:148
#9  0xffffffff809989d4 in pfslowtimo (arg=0xfffff804e5baf268)
    at /usr/src/sys/kern/uipc_domain.c:508
#10 0xffffffff80941f17 in softclock_call_cc (c=0xffffffff816288d0,
    cc=0xffffffff816a5c80, direct=0) at /usr/src/sys/kern/kern_timeout.c:682
#11 0xffffffff80942354 in softclock (arg=0xffffffff816a5c80)
    at /usr/src/sys/kern/kern_timeout.c:810
#12 0xffffffff808ff5eb in intr_event_execute_handlers (
    p=<value optimized out>, ie=0xfffff80005e5f700)
    at /usr/src/sys/kern/kern_intr.c:1263
#13 0xffffffff808ffa36 in ithread_loop (arg=0xfffff8000835e000)
    at /usr/src/sys/kern/kern_intr.c:1276
#14 0xffffffff808fd13a in fork_exit (
    callout=0xffffffff808ff9a0 <ithread_loop>, arg=0xfffff8000835e000,
    frame=0xfffffe08367bbac0) at /usr/src/sys/kern/kern_fork.c:996
#15 0xffffffff80d591ee in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:606
#16 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal
(kgdb)

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