Date: Thu, 08 Sep 2011 22:11:40 +0200 From: Andrea Venturoli <ml@netfence.it> To: freebsd-questions@freebsd.org Subject: Help with crash dump Message-ID: <4E69217C.5000306@netfence.it>
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Hello.
Anyone can give any hint on this?
I really have no clue.
bye & Thanks
av.
> # uname -a
> FreeBSD xxxxx.xxxxxxxx.it 7.3-RELEASE-p4 FreeBSD 7.3-RELEASE-p4 #1: Wed Dec 15 11:53:13 CET 2010 root@xxxxx.xxxxxxxx.it:/usr/obj/usr/src/sys/xxxxx i386
> # kgdb kernel.debug /var/crash/vmcore.17
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd"...
>
> Unread portion of the kernel message buffer:
> panic: ffs_write: dir write
> cpuid = 3
> Uptime: 26d9h4m27s
> Physical memory: 2033 MB
> Dumping 300 MB: 285 269 253 237 221 205 189 173 157 141 125 109 93 77kernel trap 12 with interrupts disabled
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 3; apic id = 03
> fault virtual address = 0x14
> fault code = supervisor read, page not present
> instruction pointer = 0x20:0xc059accb
> stack pointer = 0x28:0xc0c20ccc
> frame pointer = 0x28:0xc0c20cec
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, def32 1, gran 1
> processor eflags = resume, IOPL = 0
> current process = 0 (swapper)
> trap number = 12
> panic: page fault
> cpuid = 3
> 61 45 29 13
>
> Reading symbols from /boot/kernel/splash_bmp.ko...Reading symbols from /boot/kernel/splash_bmp.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/splash_bmp.ko
> Reading symbols from /boot/kernel/geom_stripe.ko...Reading symbols from /boot/kernel/geom_stripe.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/geom_stripe.ko
> Reading symbols from /boot/kernel/acpi.ko...Reading symbols from /boot/kernel/acpi.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/acpi.ko
> #0 doadump () at pcpu.h:196
> 196 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> (kgdb) bt
> #0 doadump () at pcpu.h:196
> #1 0xc0563d48 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
> #2 0xc0564025 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:574
> #3 0xc06cd16d in ffs_write (ap=0xe6912a44) at /usr/src/sys/ufs/ffs/ffs_vnops.c:667
> #4 0xc0740640 in VOP_WRITE_APV (vop=0xc07ba4e0, a=0xe6912a44) at vnode_if.c:691
> #5 0xc06fd8d6 in vnode_pager_generic_putpages (vp=0xc672f678, m=0xe6912bb0, bytecount=Variable "bytecount" is not available.
> ) at vnode_if.h:373
> #6 0xc05d4a5f in vop_stdputpages (ap=0xe6912ad4) at /usr/src/sys/kern/vfs_default.c:540
> #7 0xc073faf3 in VOP_PUTPAGES_APV (vop=0xc07ba4e0, a=0xe6912ad4) at vnode_if.c:2189
> #8 0xc06fda5f in vnode_pager_putpages (object=0xcb14ac80, m=0xe6912bb0, count=1, sync=0, rtvals=0xe6912b20) at vnode_if.h:1164
> #9 0xc06f730b in vm_pageout_flush (mc=0xe6912bb0, count=1, flags=0) at vm_pager.h:148
> #10 0xc06f7661 in vm_pageout_clean (m=Variable "m" is not available.
> ) at /usr/src/sys/vm/vm_pageout.c:403
> #11 0xc06f92a2 in vm_pageout () at /usr/src/sys/vm/vm_pageout.c:1017
> #12 0xc053e9a1 in fork_exit (callout=0xc06f82d6 <vm_pageout>, arg=0x0, frame=0xe6912d38) at /usr/src/sys/kern/kern_fork.c:811
> #13 0xc0718b30 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:271
> (kgdb)
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