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

[bugzilla-noreply at freebsd.org]

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

--- Comment #2 from Vasily <tatarenko at alpha-it.ru> ---
Another panic on another machine with same kernel and same hardware:
Wed Jun 24 20:30:56 MSK 2015

FreeBSD server.dc4.instatfootball.tv 10.1-RELEASE-p13 FreeBSD 10.1-RELEASE-p13
#2: Thu Jun 18 23:17:00 MSK 2015    
root at server.dc4.instatfootball.tv:/usr/obj/usr/src/sys/CORV1  amd64

panic: general protection fault

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This GDB was configured as "amd64-marcel-freebsd"...kgdb: kvm_read: invalid
address (0xffeff80015c45490)


Unread portion of the kernel message buffer:


Fatal trap 9: general protection fault while in kernel mode
cpuid = 4; apic id = 04
instruction pointer     = 0x20:0xffffffff80931b40
stack pointer           = 0x28:0xfffffe0859465830
frame pointer           = 0x28:0xfffffe0859465900
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         = 44457 (httpd)
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 0xffffffff808f849c at exit1+0x10dc
#6 0xffffffff808f73be at sys_sys_exit+0xe
#7 0xffffffff80d73d81 at amd64_syscall+0x351
#8 0xffffffff80d58f9b at Xfast_syscall+0xfb
Uptime: 5d20h52m14s
Dumping 4361 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  0xffffffff80931b40 in tdsendsignal (p=0xfffff80015bf44c0,
    td=<value optimized out>, sig=20, ksi=0xfffff8000dfd54d0)
    at /usr/src/sys/kern/kern_sig.c:1971
#7  0xffffffff808f849c in exit1 (td=0xfffff80248d01920,
    rv=<value optimized out>) at /usr/src/sys/kern/kern_exit.c:566
#8  0xffffffff808f73be in sys_sys_exit (td=0xfffff80015bf4848,
    uap=<value optimized out>) at /usr/src/sys/kern/kern_exit.c:153
#9  0xffffffff80d73d81 in amd64_syscall (td=0xfffff80248d01920, traced=0)
    at subr_syscall.c:134
#10 0xffffffff80d58f9b in Xfast_syscall ()
    at /usr/src/sys/amd64/amd64/exception.S:391
#11 0x0000000801c511ea in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language:  auto; currently minimal
(kgdb)

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