Re: Mysterious lockups with 2.4.X (Help w/KDB)

From: Keith Owens (
Date: Sun Feb 25 2001 - 18:33:04 EST

On Sun, 25 Feb 2001 13:39:16 -0500,
Pete Toscano <> wrote:
>Unable to handle kernel NULL pointer dereference at virtual address 0000017c
> printing eip:
>and then the KDB prompt appears. Back when I had my emu10k problems,
>Keith Owen told me to (in a nutshell), go through the running processes
>and "btp" their PID and look for "text.lock".

Those instructions were for a lockup. This problem is not a lockup, it
is a bad pointer. In this case you only care about the current
process. Backtrace (bt) will show what the process was doing. 'id
%eip' will disassemble the failing code.

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This archive was generated by hypermail 2b29 : Wed Feb 28 2001 - 21:00:10 EST