linux-kernel - Re: e1000e crashes with 2.6.34.x and ThinkPad T60

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Date:	Fri, 13 Aug 2010 10:07:36 +0200
From:	Marc Haber <mh+linux-kernel@...schlus.de>
To:	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Tantilov, Emil S" <emil.s.tantilov@...el.com>,
	Linux Kernel Developers <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sf.net" <e1000-devel@...ts.sf.net>
Subject: Re: e1000e crashes with 2.6.34.x and ThinkPad T60

On Fri, Aug 13, 2010 at 03:25:51AM +0200, Marc Haber wrote:
> On Tue, Aug 10, 2010 at 09:34:52AM -0700, Allan, Bruce W wrote:
> > We have had other recent reports of issues with this part that are due to
> > ASPM L1 being enabled.  Would you please try disabling L1 after the driver
> > is loaded as follows (assuming your adapter is still PCI bus/device/number
> > 02:00.0 as indicated in the lspci output you provided earlier):
> > 1) First check the hexadecimal value of the LnkCtl register -
> > # setpci -s 2:0.0 0xf0
> > 2) Disable ASPM (both L0s and L1) by zeroing out bits 0 and 1 in the value
> > returned by the previous step.  For example, if it returned 42 (hex 42,
> > that is) -
> > # setpci -s 2:0.0 0xf0=0x40
> > 3) Confirm ASPM is disabled by checking the output from lspci again.
> 
> It returned 42, and after setting 0x40, LnkCtl now says "ASPM Disabled".
> 
> I'll dock the system now and will report after the weekend or after
> the first crash.

Didn't work, freeze within the first 60 minutes after starting serious
work. The system did sit idle for the night though without freezing.

Greetings
Marc

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