Fatal Trap 12: Page fault while in kernel mode (racoon/amd64/5.3-RELEASE-p4)

Matthew Sullivan matthew at uq.edu.au
Thu Jan 13 17:35:03 PST 2005


Doug White wrote:

>You're in the right spot.
>  
>
That's a start then, thanks ;-)

>>Further to my last I have finally located a null modem cable and got it
>>installed... A little fiddling later and we have DDB taking over...
>>
>>root at desperado:~# racoon
>>    
>>
>
>Hm, null pointer+offset dereference. Are you using IPSEC or FAST_IPSEC in
>your kernel?  When did you grab the sources last?
>  
>
IPSEC (see: http://www.au.sorbs.net/~matthew/freebsd/ for all kernel, 
config, cores and info I can give)

Source was updated after finding this issue (within the last 10 days) 
and it made no difference.

>>Fatal trap 12: page fault while in kernel mode
>>fault virtual address   = 0x39
>>fault code              = supervisor write, page not present
>>instruction pointer     = 0x8:0xffffffff80307a70
>>stack pointer           = 0x10:0xffffffff94eb4860
>>frame pointer           = 0x10:0xffffffff94eb4960
>>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         = 454 (racoon)
>>[thread 100081]
>>Stopped at      keydb_newsecasvar+0x100:        decl    %ecx
>>    
>>

Thanks,

-- 
Matthew Sullivan
Specialist Systems Programmer
Information Technology Services
The University of Queensland

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