From: Andrey Borzenkov <arvidjaar@mail.ru>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.19: ALi M5229 - CD-ROM not found with pata_ali
Date: Sun, 3 Dec 2006 00:27:22 +0300 [thread overview]
Message-ID: <200612030027.23373.arvidjaar@mail.ru> (raw)
In-Reply-To: <20061201215700.34d1e1ff@localhost.localdomain>
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On Saturday 02 December 2006 00:57, Alan wrote:
> > Still the same in 2.6.19 + suspend pata_ali patch. The only way I can get
> > CD-ROM is with
> >
> > options pata_ali atapi_max_xfer_mask=0x7f
>
> And I've still got no idea why. Having studied the docs, the old and new
> drivers and a lot more I see no difference to explain it.
>
Irrespectively - why libata does not fall back to PIO when DMA failed? This at
least would have given working device (even somewhat degraded perfrormance).
- -andrey
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prev parent reply other threads:[~2006-12-02 21:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200606220004.30863.arvidjaar@mail.ru>
2006-12-01 20:35 ` Andrey Borzenkov
2006-12-01 20:48 ` Randy Dunlap
2006-12-01 21:06 ` Andrey Borzenkov
2006-12-01 21:57 ` Alan
2006-12-02 21:27 ` Andrey Borzenkov [this message]
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