amd64/131209: 7.1-STABLE amd64 crash
Roar Pettersen
roar.pettersen at uib.no
Mon Feb 2 07:50:04 PST 2009
The following reply was made to PR amd64/131209; it has been noted by GNATS.
From: Roar Pettersen <roar.pettersen at uib.no>
To: John Baldwin <jhb at freebsd.org>
Cc: freebsd-amd64 at freebsd.org, Roar Pettersen <roar.pettersen at it.uib.no>,
freebsd-gnats-submit at freebsd.org
Subject: Re: amd64/131209: 7.1-STABLE amd64 crash
Date: Mon, 2 Feb 2009 16:34:39 +0100 (CET)
Hello !
> Can you provide the full backtrace? This stack frame is well after the panic
> in the code that writes out the crash dump, so it is not very useful.
# kgdb kernel.debug /var/crash/vmcore.0
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x800000108
fault code = supervisor read data, page not present
instruction pointer = 0x8:0xffffffff8037690c
stack pointer = 0x10:0xfffffffec329e5e0
frame pointer = 0x10:0x0
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 = 25972 (cron)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 6h33m10s
Physical memory: 2039 MB
Dumping 411 MB: 396 380 364 348 332 316 300 284 268 252 236 220 204 188
172 156 140 124 108 92 76 60 44 28 12
Reading symbols from /boot/kernel/blank_saver.ko...Reading symbols from
/boot/kernel/blank_saver.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/blank_saver.ko
#0 0xffffffff802fa8fa in doadump () at
/usr/src/sys/kern/kern_shutdown.c:238
238 if (dumper.dumper == NULL) {
(kgdb) backtrace
#0 0xffffffff802fa8fa in doadump () at
/usr/src/sys/kern/kern_shutdown.c:238
#1 0x0000000000000004 in ?? ()
#2 0xffffffff802fae29 in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:417
#3 0xffffffff802fb232 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:572
#4 0xffffffff804fbc53 in trap_fatal (frame=0xffffff000a5dfa50,
eva=Variable "eva" is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:735
#5 0xffffffff804fc025 in trap_pfault (frame=0xfffffffec329e530,
usermode=0)
at /usr/src/sys/amd64/amd64/trap.c:674
#6 0xffffffff804fc968 in trap (frame=0xfffffffec329e530)
at /usr/src/sys/amd64/amd64/trap.c:571
#7 0xffffffff804e23ae in Xtss () at
/usr/src/sys/amd64/amd64/exception.S:138
#8 0xffffffff8037690c in vattr_null (vap=0x0) at
/usr/src/sys/kern/vfs_subr.c:536
#9 0xfffffffec329e640 in ?? ()
#10 0xffffff000a5dfa50 in ?? ()
#11 0xfffffffec329ea60 in ?? ()
#12 0xfffffffec329ea10 in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0xffffffff80540f11 in VOP_VPTOFH_APV (vop=0x800000000, a=0x0)
at vnode_if.c:2767
#15 0xffffff000439e3f0 in ?? ()
#16 0xffffff000439e3f0 in ?? ()
#17 0x0000000000000004 in ?? ()
#18 0xffffffff8037ac07 in vput (vp=0xffffff000439cb28) at vnode_if.h:31
#19 0xffffffff80377ede in vaccess (type=Variable "type" is not available.
) at /usr/src/sys/kern/vfs_subr.c:3400
#20 0xffffff0000000000 in ?? ()
#21 0xffffff007ff8a998 in ?? ()
#22 0xffffffff804c1805 in uma_zfree_arg (zone=0xffffffff804d9261,
item=0xffffff000a5dfa50, udata=0x0) at /usr/src/sys/vm/uma_core.c:2367
#23 0xfffffffec329e8d0 in ?? ()
#24 0xffffff000439c9d8 in ?? ()
#25 0xffffff00043829a0 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000100 in ?? ()
#28 0xffffff000439c9d8 in ?? ()
#29 0xffffffff804b6d5a in ufs_getattr (ap=Variable "ap" is not available.
) at /usr/src/sys/ufs/ufs/ufs_vnops.c:444
#30 0x0000000000000004 in ?? ()
#31 0xffffff000156b150 in ?? ()
#32 0xfffffffec329ea10 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000001 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000100 in ?? ()
#37 0xffffff000439c9d8 in ?? ()
#38 0xffffffff804b685a in ufs_whiteout (ap=0x0)
at /usr/src/sys/ufs/ufs/ufs_vnops.c:941
#39 0xffffffff803686d6 in breada (vp=0x0, rablkno=0x800, rabsize=0x4000,
cnt=0,
cred=0x1000) at /usr/src/sys/kern/vfs_bio.c:2288
#40 0x0000000000001001 in ?? ()
#41 0xffffff000439c9d8 in ?? ()
#42 0x0000000000000000 in ?? ()
#43 0xffffff00043829a0 in ?? ()
#44 0xffffff000439c9d8 in ?? ()
#45 0xfffffffec329eb10 in ?? ()
#46 0x000010000439c9d8 in ?? ()
#47 0x0002000000000002 in ?? ()
#48 0xffffff000a5dfa50 in ?? ()
#49 0x0000000000000001 in ?? ()
#50 0x0000000000000000 in ?? ()
#51 0x0000000080744500 in ?? ()
#52 0xffffff0037df6a00 in ?? ()
#53 0xfffffffe8001a340 in ?? ()
#54 0x0000000000000000 in ?? ()
#55 0xffffff000439c9d8 in ?? ()
#56 0xfffffffec329eb10 in ?? ()
#57 0xffffff000a5dfa50 in ?? ()
#58 0xffffffff80388dff in vn_read (fp=0xffffffff803687fa,
uio=0xffffffff804ab959,
active_cred=Variable "active_cred" is not available.
) at atomic.h:143
#59 0xffffffff8033480d in dofileread (td=0xffffff000a5dfa50, fd=3,
fp=0xffffff0037df6a00, auio=0xfffffffec329eb10, offset=-5315631632,
flags=0)
at file.h:244
#60 0xffffffff80334b7e in kern_readv (td=0xffffff000a5dfa50, fd=3,
auio=0xfffffffec329eb10) at /usr/src/sys/kern/sys_generic.c:192
#61 0xffffffff80334c6c in read (td=0x0, uap=0x0)
at /usr/src/sys/kern/sys_generic.c:103
#62 0xffffffff804fc2a7 in syscall (frame=0xfffffffec329ec80)
at /usr/src/sys/amd64/amd64/trap.c:878
#63 0xffffffff804e25bb in Xpage () at
/usr/src/sys/amd64/amd64/exception.S:268
#64 0x0000000800932b8c in ?? ()
Previous frame inner to this frame (corrupt stack?)
--
Med vennlig hilsen / Regards;
Roar Pettersen
Universitetet i Bergen - The University of Bergen
Nygardsgt. 5 - N-5020 BERGEN - Norway
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