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

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Jun 23 12:49:42 UTC 2015


--- Comment #1 from Vasily <tatarenko at alpha-it.ru> ---
Another panic on another machine with same kernel and same hardware:
Tue Jun 23 03:04:35 MSK 2015

FreeBSD server.dc5.instatfootball.tv 10.1-RELEASE-p13 FreeBSD 10.1-RELEASE-p13
#2: Thu Jun 18 23:17:06 MSK 2015    
root at server.dc5.instatfootball.tv:/usr/obj/usr/src/sys/CORV1  amd64

panic: page fault

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Unread portion of the kernel message buffer:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x6aeb00000378
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff80934ceb
stack pointer           = 0x28:0xfffffe085935f050
frame pointer           = 0x28:0xfffffe085935f0f0
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         = 22645 (find)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff80967d80 at kdb_backtrace+0x60
#1 0xffffffff8092ca55 at panic+0x155
#2 0xffffffff80d7344f at trap_fatal+0x38f
#3 0xffffffff80d73768 at trap_pfault+0x308
#4 0xffffffff80d72dca at trap+0x47a
#5 0xffffffff80d58cb2 at calltrap+0x8
#6 0xffffffff8093486d at _sx_xlock+0x5d
#7 0xffffffff81a06e59 at dnode_hold_impl+0x2f9
#8 0xffffffff819f746d at dmu_bonus_hold+0x1d
#9 0xffffffff81a5a15c at zfs_zget+0xdc
#10 0xffffffff81a71054 at zfs_dirent_lock+0x474
#11 0xffffffff81a7130d at zfs_dirlook+0x17d
#12 0xffffffff81a86810 at zfs_lookup+0x280
#13 0xffffffff81a86c8d at zfs_freebsd_lookup+0x6d
#14 0xffffffff80e90231 at VOP_CACHEDLOOKUP_APV+0xa1
#15 0xffffffff809baef6 at vfs_cache_lookup+0xd6
#16 0xffffffff80e90121 at VOP_LOOKUP_APV+0xa1
#17 0xffffffff809c33fc at lookup+0x59c
Uptime: 4d2h53m41s
Dumping 4403 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/if_lagg.ko.symbols...done.
Loaded symbols for /boot/kernel/if_lagg.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  0xffffffff80d73768 in trap_pfault (frame=0xfffffe085935efa0,
    usermode=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:676
#5  0xffffffff80d72dca in trap (frame=0xfffffe085935efa0)
    at /usr/src/sys/amd64/amd64/trap.c:440
#6  0xffffffff80d58cb2 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:232
#7  0xffffffff80934ceb in _sx_xlock_hard (sx=0xfffff800bbb439c8,
    tid=18446735278531930400, opts=<value optimized out>, file=0x0,
    line=1496707472) at /usr/src/sys/kern/kern_sx.c:556
#8  0xffffffff8093486d in _sx_xlock (sx=0xfffff800368fe920, opts=0,
    file=<value optimized out>, line=0) at sx.h:152
#9  0xffffffff81a06e59 in dnode_hold_impl (os=<value optimized out>,
    object=<value optimized out>, flag=1, tag=<value optimized out>,
#10 0xffffffff819f746d in dmu_bonus_hold (os=0xfffff800bbb439c8,
    object=18446735278531930400, tag=<value optimized out>,
#11 0xffffffff81a5a15c in zfs_zget (zfsvfs=<value optimized out>,
    obj_num=13510, zpp=<value optimized out>)
#12 0xffffffff81a71054 in zfs_dirent_lock (dlpp=0xfffffe085935f340,
    dzp=<value optimized out>, name=<value optimized out>, zpp=0x0,
    flag=<value optimized out>, direntflags=<value optimized out>,
    realpnp=<value optimized out>)
#13 0xffffffff81a7130d in zfs_dirlook (dzp=0xfffff8001bf905c0,
    name=0xfffffe085935f420 "libcrypt.so", vpp=0xfffffe085935f868,
    flags=<value optimized out>, deflg=0x0, rpnp=0x0)
#14 0xffffffff81a86810 in zfs_lookup ()
#15 0xffffffff81a86c8d in zfs_freebsd_lookup (ap=0xfffffe085935f588)
#16 0xffffffff80e90231 in VOP_CACHEDLOOKUP_APV (vop=<value optimized out>,
    a=<value optimized out>) at vnode_if.c:197
#17 0xffffffff809baef6 in vfs_cache_lookup (ap=<value optimized out>)
    at vnode_if.h:80
#18 0xffffffff80e90121 in VOP_LOOKUP_APV (vop=<value optimized out>,
    a=<value optimized out>) at vnode_if.c:129
#19 0xffffffff809c33fc in lookup (ndp=0xfffffe085935f808) at vnode_if.h:54
#20 0xffffffff809c2b64 in namei (ndp=0xfffffe085935f808)
    at /usr/src/sys/kern/vfs_lookup.c:302
#21 0xffffffff809d6e5e in kern_statat_vnhook (td=0xfffff800368fe920,
    flag=<value optimized out>, fd=-100,
    path=0x801093e48 <Address 0x801093e48 out of bounds>,
    pathseg=UIO_USERSPACE, sbp=0xfffffe085935f920, hook=0x6aeb00000000)
    at /usr/src/sys/kern/vfs_syscalls.c:2284
#22 0xffffffff809d6ff0 in sys_lstat (td=0xfffff800bbb439c8,
    uap=0xfffffe085935fa40) at /usr/src/sys/kern/vfs_syscalls.c:2264
#23 0xffffffff80d73d81 in amd64_syscall (td=0xfffff800368fe920, traced=0)
    at subr_syscall.c:134
#24 0xffffffff80d58f9b in Xfast_syscall ()
    at /usr/src/sys/amd64/amd64/exception.S:391
#25 0x000000080095b37a in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language:  auto; currently minimal

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