linux-kernel - libata - DMA problems ICH7 rev 02

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Message-ID: <8dacd7b30805020437k2390d844ldd8909ebe11e9d56@mail.gmail.com>
Date:	Fri, 2 May 2008 13:37:32 +0200
From:	"Jan Niklas Hasse" <jhasse@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: libata - DMA problems ICH7 rev 02

Hi everyone,

I don't have DMA on my notebook, I think it's this problem:
http://ata.wiki.kernel.org/index.php/Libata_FAQ#Intel_combined_mode
I tried all steps mention there (the first one wasn't possible because
my BIOS didn't support it), but none of them worked (every time my
harddisk is loading my CPU is spammed with IOWait).

Output of uname -a and lspci is attached.

I hope you can help me, very hard to work without DMA. Sorry if there
are some English mistakes.

Jan

View attachment "lspci.txt" of type "text/plain" (2390 bytes)