Fatal Trap 12 in kernel module uipc_mbuf2.c
Boris B. Samorodov
bsam at ipt.ru
Fri Sep 10 01:37:18 PDT 2004
On Mon, Sep 06, 2004 at 09:10:25AM +0400, Boris B. Samorodov wrote:
> On Mon, Sep 06, 2004 at 12:59:02AM +0200, Andre Oppermann wrote:
> > Does it panic 'reliablily' in the same place or is it more of a random
> > occurence? I'm not long in the office tomorrow (my test machine is there)
> > but I'll try to reproduce it within the next few days.
> Yes. It panics 'reliably'. Here is the console message.
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0xdeadc0e6
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc053a1f0
> stack pointer = 0x10:0xc7fcb8e8
> frame pointer = 0x10:0xc7fcb8f0
> 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 = 37 (swi1: net)
> [thread 100038]
> Stopped at m_tag_locate+0x40: cmpl %ecx,0x8(%edx)
I've got another trap 12 with the same instuction pointer.
Host has two local nets and two upstream interfaces.
$onet_ip1 -- default gateway, $onet_ip2 is used for policy
routing. If one try to ping ip to which we fwd packets
(i.e. interface of our second provider),
system traps. Pinging (and other work with) other ips does not
> > Andre
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