Re: kernel panic:BUG in cascade at kernel/timer.c

From: Ravikiran G Thirumalai
Date: Thu Aug 10 2006 - 20:55:51 EST

On Thu, Aug 10, 2006 at 02:26:15PM -0700, Bizhan Gholikhamseh (bgholikh) wrote:
> Hi All,
> We have developed our own custom board based on MPC8541 board running
> linux 2.6.11 During stress testing the system we get following kernel
> panic which related to timer cascase.
> Any hints greatly apprieciated. Many thanks in advance:

Is this an MP configuration? If timer interrupts are distributed to more
than one cpu this could happen (buggy hardware). Also, I remember a missing
barrier someplace for PPC which was fixed in newer kernels. Read the GIT logs.

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