Re: 2.6.22-rc5: pdflush oops under heavy disk load

From: Jay Cliburn
Date: Sun Jun 24 2007 - 14:00:25 EST


On Sat, 23 Jun 2007 13:14:40 +0100
"Jay L. T. Cornwall" <jay@xxxxxxxxxxx> wrote:


> The common factor here seems to be the buffer_head circular list
> leading to invalid pointers in bh->b_this_page.
>
> I'm beginning to suspect the Attansic L1 Gigabit Etherner driver
> (marked as EXPERIMENTAL in 2.6.22-rc5). I can't reproduce these
> panics on disk-to-disk copies or SCP across the localhost interface.
> However, SCP from a server onto either of two different HDDs hits
> these oopses fairly quickly.

How much RAM is installed in your machine? If it's 4GB or more, does
your problem go away if you boot with mem=3000M?

Jay
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