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Date:      Tue, 11 Jun 2013 18:21:19 +0100
From:      rab fulton <rabfulton@hotmail.com>
To:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Fatal trap 12: page fault while in kernel mode in FreeBSD 9.1
Message-ID:  <BAY175-W34A3A5B3F7EE98BF73A318B4850@phx.gbl>

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Hi=2C I recently upgraded from 9.0 to 9.1 and have scince been seeing a lot=
 of system freezes. The system will sometimes freeze when I launch an appli=
cation soon after startup. If it does not freeze soon after startup it tend=
s to run fine for the rest of the day.=0A=
Full copy of core.txt @ http://pastebin.com/ezfAGGFL=0A=
------------------------------------------core.txt.0-----------------------=
------------------------------------=0A=
FreeBSD quadcore 9.1-RELEASE-p3 FreeBSD 9.1-RELEASE-p3 #0: Mon Apr 29 18:27=
:25 UTC 2013     root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GE=
NERIC  amd64=0A=
=0A=
panic: page fault=0A=
=0A=
GNU gdb 6.1.1 [FreeBSD]=0A=
Copyright 2004 Free Software Foundation=2C Inc.=0A=
GDB is free software=2C covered by the GNU General Public License=2C and yo=
u are=0A=
welcome to change it and/or distribute copies of it under certain condition=
s.=0A=
Type "show copying" to see the conditions.=0A=
There is absolutely no warranty for GDB.  Type "show warranty" for details.=
=0A=
This GDB was configured as "amd64-marcel-freebsd"...=0A=
=0A=
Unread portion of the kernel message buffer:=0A=
=0A=
=0A=
Fatal trap 12: page fault while in kernel mode=0A=
cpuid =3D 0=3B apic id =3D 00=0A=
fault virtual address	=3D 0x8008=0A=
fault code		=3D supervisor read data=2C page not present=0A=
instruction pointer	=3D 0x20:0xffffffff80976e19=0A=
stack pointer	        =3D 0x28:0xffffff8235870630=0A=
frame pointer	        =3D 0x28:0xffffff8235870660=0A=
code segment		=3D base 0x0=2C limit 0xfffff=2C type 0x1b=0A=
			=3D DPL 0=2C pres 1=2C long 1=2C def32 0=2C gran 1=0A=
processor eflags	=3D interrupt enabled=2C resume=2C IOPL =3D 0=0A=
current process		=3D 1720 (mount_fusefs)=0A=
trap number		=3D 12=0A=
panic: page fault=0A=
cpuid =3D 0=0A=
KDB: stack backtrace:=0A=
#0 0xffffffff809208d6 at kdb_backtrace+0x66=0A=
#1 0xffffffff808ea8ee at panic+0x1ce=0A=
#2 0xffffffff80bd8270 at trap_fatal+0x290=0A=
#3 0xffffffff80bd85ad at trap_pfault+0x1ed=0A=
#4 0xffffffff80bd8bce at trap+0x3ce=0A=
#5 0xffffffff80bc318f at calltrap+0x8=0A=
#6 0xffffffff8261a2f4 at fuse_mount+0x94=0A=
#7 0xffffffff80979371 at vfs_donmount+0x1081=0A=
#8 0xffffffff80979ad6 at sys_nmount+0x66=0A=
#9 0xffffffff80bd7b16 at amd64_syscall+0x546=0A=
#10 0xffffffff80bc3477 at Xfast_syscall+0xf7=0A=
Uptime: 4m32s=0A=
Dumping 545 out of 8156 MB:..3%..12%..21%..33%..42%..53%..62%..71%..83%..91=
%=0A=
=0A=
...=0A=
(kgdb) #0  doadump (textdump=3DVariable "textdump" is not available.=0A=
) at pcpu.h:224=0A=
#1  0xffffffff808ea3d1 in kern_reboot (howto=3D260)=0A=
    at /usr/src/sys/kern/kern_shutdown.c:448=0A=
#2  0xffffffff808ea8c7 in panic (fmt=3D0x1 <Address 0x1 out of bounds>)=0A=
    at /usr/src/sys/kern/kern_shutdown.c:636=0A=
#3  0xffffffff80bd8270 in trap_fatal (frame=3D0xc=2C eva=3DVariable "eva" i=
s not available.=0A=
)=0A=
    at /usr/src/sys/amd64/amd64/trap.c:857=0A=
#4  0xffffffff80bd85ad in trap_pfault (frame=3D0xffffff8235870580=2C usermo=
de=3D0)=0A=
    at /usr/src/sys/amd64/amd64/trap.c:773=0A=
#5  0xffffffff80bd8bce in trap (frame=3D0xffffff8235870580)=0A=
    at /usr/src/sys/amd64/amd64/trap.c:456=0A=
#6  0xffffffff80bc318f in calltrap ()=0A=
    at /usr/src/sys/amd64/amd64/exception.S:228=0A=
#7  0xffffffff80976e19 in vfs_getopts (opts=3D0x8008=2C =0A=
    name=3D0xffffffff82621368 "fspath"=2C error=3D0xffffff82358707ac)=0A=
    at /usr/src/sys/kern/vfs_mount.c:1516=0A=
#8  0xffffffff8261a2f4 in fuse_mount () from /usr/local/modules/fuse.ko=0A=
#9  0xfffffe000c6678e0 in ?? ()=0A=
#10 0xfffffe000c6678e0 in ?? ()=0A=
#11 0x0000000200000202 in ?? ()=0A=
#12 0xfffffe022ffebaa8 in ?? ()=0A=
#13 0xfffffe000c6678e0 in ?? ()=0A=
#14 0x000001020c6678e0 in ?? ()=0A=
#15 0x0000000000000000 in ?? ()=0A=
#16 0xfffffe022ffea3a8 in ?? ()=0A=
#17 0xffffffff8119cb80 in see_other_uids ()=0A=
#18 0xffffff8235870700 in ?? ()=0A=
#19 0xffffffff808d598b in malloc_type_zone_allocated (mtp=3D0xfffffe000c667=
8e0=2C =0A=
    size=3D18446741874894338272=2C zindx=3D32776)=0A=
    at /usr/src/sys/kern/kern_malloc.c:368=0A=
Previous frame inner to this frame (corrupt stack?)=0A=
(kgdb)=0A=
Any ideas?=0A=
thx 		 	   		  =



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