Re: Need help debugging memory corruption

From: Jay Cliburn
Date: Sun May 04 2008 - 15:55:43 EST


On Sun, 04 May 2008 16:55:08 +0200
Jarek Poplawski <jarkao2@xxxxxxxxx> wrote:

> Jarek Poplawski wrote, On 05/04/2008 04:24 PM:
> ...
>
> > I'm definitely with less experience, so I wonder why it can't be
> > a simple race between atl1_clean_rx_ring() and something (maybe even
> > pending atl1_intr_rx()) on the other cpu writing skb while kfreeing?
>
>
> Hmm... atl1_intr_rx() looks impossible, so atl1_alloc_rx_buffers()?

I booted with nosmp and the bug is *much* harder to hit, but I still
hit it once out of about 10 tries. Does the fact that I hit it once
using nosmp disprove the race theory?
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