Re: Kernel Oops when using the Netfilter QUEUE target

From: Keith Owens (
Date: Wed Apr 25 2001 - 22:13:20 EST

On Tue, 24 Apr 2001 19:25:47 +0200,
Martin Clausen <> wrote:
>I have encountered a problem (perhaps a bug)! The attached code makes my kernel oops
>in some cases when injecting new packets through Netfilter's QUEUE target. The problem
>Entering kdb (current=0xc68f6000, pid 884) Oops: Oops
>due to oops @ 0xc01e7456
>eax = 0x000005dc ebx = 0xc7acf224 ecx = 0x0000000e edx = 0xc72f8440
>esi = 0xc7cee740 edi = 0x00000000 esp = 0xc68f7c90 eip = 0xc01e7456
>ebp = 0xc68f7cb0 xss = 0x00000018 xcs = 0x00000010 eflags = 0x00010287
>xds = 0x00000018 xes = 0x00000018 origeax = 0xffffffff &regs = 0xc68f7c5c
>I will be glad to submit som more (debug) information?!

At the very least, you need to run the kdb commands 'bt' (backtrace)
and 'id %eip-0x10' (disassemble around failing instruction). Registers
and eip on their own are almost meaningless.

ps. Don't copy me on the reply, I only maintain kdb, not the failing
    netfilter code.
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This archive was generated by hypermail 2b29 : Mon Apr 30 2001 - 21:00:15 EST