netdev - Re: [Bugme-new] [Bug 12303] New: e1000e 82567LM Tx Unit Hang

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Message-ID: <20090117101618.GB31715@thales.produktiv.lan>
Date:	Sat, 17 Jan 2009 11:16:18 +0100
From:	Antoine Kaufmann <toni@...kaufmann.info>
To:	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net
Cc:	akpm@...ux-foundation.org, wangbj@....edu.cn
Subject: Re: [Bugme-new] [Bug 12303] New: e1000e 82567LM Tx Unit Hang

I ran into this problem too with my new thinkpad (not an T400 but a x200
with the same network chip).

> > Latest working kernel version: 2.6.27-git2
> > Earliest failing kernel version: unknown
> > Distribution: gentoo amd64 (~amd64), 2008.0
> > Hardware Environment: Thinkpad T400 with GM45 (ICH9)
> >
>
> An e1000e regression.
Couldn't find a version which worked for me. But as Wang mentioned
setting acpi=off works and after some research in the net i found, that
disabling CONFIG_DMAR works too (the first line of the logs is a dma
error too, iirc). Are you sure that you used the same value for
CONFIG_DMAR in your tests, Wang?

I'm willing to do some debugging, but I don't really know where to
start if it's no regression (so bisecting won't work)...

Regards,
-- 
Antoine Kaufmann
<toni@...kaufmann.info>
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