Re: Crash on CURRENT from today

On Sat, 19 Feb 2005, Daniel Eriksson wrote:

>
> Got this crash on my SMP server just now. Kernel/world are ~12 hours old
> (2005.02.19.12.00.00). It's not a debug kernel, so I cannot provide any
> additional info right now.

Getting a crashdump and a debug kernel would be nice since...

> Fatal trap 9: general protection fault while in kernel mode

these are bad news.  The only times I've seen this is with horrifically
broken code or hardware problems.  Mostly hardware problems.  You might
check the environmentals on your system, and check the event log for any
ECC correction events or other abnormal behavior.  Normal code isn't
likely to trigger GPFs.

Did you compile the kernel with any non-standard options?

> cpuid = 1; apic id = 00
> instruction pointer     = 0x8:0xc0612efc
> stack pointer           = 0x10:0xdc95692c
> frame pointer           = 0x10:0xdc956934
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 35 (swi1: net)
> [thread pid 35 tid 100011 ]
> Stopped at      in_matroute+0x2c:       jz      in_matroute+0x40
> db> tr
> Tracing pid 35 tid 100011 td 0xc1e0a170
> in_matroute(3700779540,3254842880,6,3700779352,1105988990) at in_matroute+44
> rtalloc1(3700779540,1,0,0,0) at rtalloc1+120
> rtalloc_ign(3700779536,0,3256294640,3258642432,3271813772) at
> rtalloc_ign+141
> ip_output(3299431168,0,3700779536,0,0) at ip_output+1928
> tcp_output(3274196300,2920,3227699936,3274196300,29310) at tcp_output+1885
> tcp_input(3304263680,20,3253913600,1,0) at tcp_input+5459
> ip_input(3304263680,0,1,2919755848,2945716017) at ip_input+219
> netisr_processqueue(582,32627,4195731492,2933674284,500) at
> netisr_processqueue+92
> swi_net(0,0,0,0,0) at swi_net+265
> ithread_loop(3252626688,3700780360,0,0,0) at ithread_loop+179
> fork_exit(3226801008,3252626688,3700780360) at fork_exit+98
> fork_trampoline() at fork_trampoline+8
> --- trap 1, eip = 0, esp = 3700780412, ebp = 0 ---
>
> /Daniel Eriksson
>
>
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-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite_at_gumbysoft.com          |  www.FreeBSD.org