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Date: Tue, 22 Mar 2005 09:47:01 +0100
From: Martin Zwickel <martin.zwickel@technotrend.de>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.11-mm3: SIS5513 DMA problem (set_drive_speed_status)
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On Mon, 14 Mar 2005 21:17:55 -0800
Andrew Morton <akpm@osdl.org> bubbled:

> Martin Zwickel <martin.zwickel@technotrend.de> wrote:
> >
> > Hi,
> >=20
> > just tried the 2.6.11-mm3 and at boot-time my start scripts try to
> > enable DMA on my disk (hdparm -m16 -c1 -u1 -X69 /dev/hda).
> >=20
> > But while running hdparm, the kernel waits many seconds and gives me
> > some DMA warnings/errors:
> >
> > ...
> >
> > hda: set_drive_speed_status: status=3D0xd0 { Busy }
> >=20
> > ide: failed opcode was: unknown
> > hda: dma_timer_expiry: dma status =3D=3D 0x41
> > hda: DMA timeout error
> > hda: dma timeout error: status=3D0xd0 { Busy }
> > ...
> >=20
> > That happened also with 2.6.11-rc3 since I thought I should switch
> > away from my 2.6.8-rc2-mm1 (the best kernel ever ;)).
>=20
> Could you please check whether 2.6.11-rc1 does this?  It should be
> released mid-week.  Thanks.

ps.: just booted 2.6.12-rc1-mm1 and hdparm works now much better on boot
     than 2.6.11-mm3. ;)

--=20
MyExcuse:
We're upgrading /dev/null

Martin Zwickel <martin.zwickel@technotrend.de>
Research & Development

TechnoTrend AG <http://www.technotrend.de>

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