netdev - Re: skge: PCI error cmd=0x117 status=0x22b0

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Message-ID: <20081114084209.0ee411fd@extreme>
Date:	Fri, 14 Nov 2008 08:42:09 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Jan Kasprzak <kas@...muni.cz>
Cc:	netdev@...r.kernel.org
Subject: Re: skge: PCI error cmd=0x117 status=0x22b0

On Fri, 14 Nov 2008 16:36:46 +0100
Jan Kasprzak <kas@...muni.cz> wrote:

> 	Hello,
> 
> I have an ASUS M2R32-MVP board with the skge network card. From time to time
> the network freezes with the following message (this one taken from
> 2.6.27-rc7, another one added even with timing information at the end
> of this mail):
> 
> skge 0000:03:04.0: PCI error cmd=0x117 status=0x22b0
> skge 0000:03:04.0: unable to clear error (so ignoring them)

The device is getting a PCI master abort on a DMA.
Either, you have hardware issues, or there is a driver bug when accessing
a particular memory address.  Do you have 4G or more of memory?

Some motherboards are crap and don't actually allow DMA from high memory.

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