Date: Fri, 15 May 2009 11:09:20 -0400 From: John Baldwin <jhb@freebsd.org> To: Martin <nakal@web.de> Cc: freebsd-stable@freebsd.org Subject: Re: kernel trap 12 with interrupts disabled [bge0 on 7.2R] Message-ID: <200905151109.21127.jhb@freebsd.org> In-Reply-To: <20090515165727.30eab9ff@zelda.local> References: <1696198956@web.de> <200905150815.19452.jhb@freebsd.org> <20090515165727.30eab9ff@zelda.local>
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On Friday 15 May 2009 10:57:27 am Martin wrote:
> Am Fri, 15 May 2009 08:15:19 -0400
> schrieb John Baldwin <jhb@freebsd.org>:
>
> Hi John,
>
> > When I have seen this, it has often been due to a hardware failure
> > such as bad RAM.
>
> hmmm... I will check this next week.
>
> > > cpuid = 2; apic id = 02
> > > instruction pointer = 0x8:0xffffffff805bbc66
> >
> > Can you do 'x/i 0xffffffff805bbc66'? Also, can you walk up the stack
> > to the frame for this panic ('frame 7') and do 'info registers'?
>
> (kgdb) x 0xffffffff805bbc66
> 0xffffffff805bbc66 <rt_maskedcopy+6>: 0x4912b60f
x/i please. The /i decodes it as an instruction so I can see which registers
it was attempting to dereference.
> (kgdb) frame 7
> #7 0xffffffff805bbc66 in rt_maskedcopy (src=0xffffffff51e2e6c8,
> dst=0xffffff00525ebd80, netmask=0xef3fdf377db53afa)
> at /usr/src/sys/net/route.c:1362
> 1362 {
> (kgdb) info registers
> rax 0xffffff00525ebd80 -1098129687168
> rbx 0xffffff0006b570f8 -1099399073544
> rcx 0x10 16
> rdx 0xef3fdf377db53afa -1207000745686779142
> rsi 0xffffff00525ebd80 -1098129687168
> rdi 0xffffffff51e2e6c8 -2921142584
> rbp 0xffffffff51e2e4c0 0xffffffff51e2e4c0
> rsp 0xffffffff51e2e428 0xffffffff51e2e428
> r8 0x0 0
> r9 0xef3fdf377db53afa -1207000745686779142
> r10 0xffffff00016eba50 -1099487593904
> r11 0xffffffff80b3eec0 -2135691584
> r12 0xe22173e466d29aa0 -2152311722091570528
> r13 0xffffff0006832c00 -1099402368000
> r14 0xef3fdf377db53afa -1207000745686779142
> r15 0x0 0
> rip 0xffffffff805bbc66 0xffffffff805bbc66 <rt_maskedcopy+6>
> eflags 0x10286 66182
> cs 0x8 8
> ss 0x10 16
> ds 0x0 0
> es 0x0 0
> fs 0x0 0
> gs 0x0 0
>
> I hope it helps.
>
> --
> Martin
>
--
John Baldwin
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