linux-kernel - RE: [E1000-devel] [in-tree drivers] freezing e1000e in 2.6.31 (SMP only? MSI?)

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Message-ID: <EA929A9653AAE14F841771FB1DE5A1365F9923A504@rrsmsx501.amr.corp.intel.com>
Date:	Fri, 6 Nov 2009 16:58:09 -0700
From:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
To:	Nix <nix@...eri.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: RE: [E1000-devel] [in-tree drivers] freezing e1000e in 2.6.31 (SMP
	only? MSI?)

Nix wrote:
> Ever since 2.6.31 was released, my gigabit e1000e link has been acting
> up. Notably, under sufficient load (generally, on this machine, NFS
> load), packets cease to be transferred, and the (MSI) interrupt count
> ceases to rise. Pulling the interface down and bringing it back up
> works, both via ip(8) and by simply yanking the cable and plugging it
> in again.

Can you please send the output of ethtool -S from the interface after you observe the failure?

Also try disabling Tx pause frames:
ethtool -A fastnet tx off autoneg off

and let me know if that fixes it for you.

Thanks,
Emil--
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