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Message-ID: <467F8B8B.1000006@gmail.com>
Date: Mon, 25 Jun 2007 11:31:55 +0200
From: Robert de Rooy <robert.de.rooy@gmail.com>
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To: albertl@mail.com
CC: Mark Lord <liml@rtr.ca>, Tejun Heo <htejun@gmail.com>,
       Mark Lord <mlord@pobox.com>, Jeff Garzik <jeff@garzik.org>,
       bzolnier@gmail.com, linux-pcmcia@lists.infradead.org,
       linux-kernel@vger.kernel.org,
       "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: libata and legacy ide pcmcia failure
References: <466718B6.4080105@gmail.com> <4667B39D.209@gmail.com> <46685AE5.4010908@gmail.com> <466900F3.7040801@gmail.com> <46694FB2.6040007@pobox.com> <4669D2D8.3020806@gmail.com> <4669D3F5.7040300@rtr.ca> <466B4D86.1020808@gmail.com> <466C631D.2000001@rtr.ca> <466C723C.6000300@gmail.com> <20070610221322.GA18196@flint.arm.linux.org.uk> <466C7A9F.1080700@rtr.ca> <466DCE55.30507@gmail.com> <466DCF43.5060304@pobox.com> <466E11DF.5020901@gmail.com> <466F4A27.8070309@tw.ibm.com> <46710CD7.9070901@gmail.com> <467BB7DB.4090004@gmail.com> <467BCF86.8060508@rtr.ca> <467F3EDC.2060002@tw.ibm.com>
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Albert Lee wrote:
> Mark Lord wrote:
>   
>> ...
>>
>> Mmm.. I don't know about the first failure there,
>> but after that it gets into the "stuck DRQ" state
>> which libata makes no attempt to handle at present.
>>
>>     
>
> It seems the pata_pcmcia driver is using IRQ driven PIO. Maybe Robert
> could try the following pio_polling patch first.
>   

I did not get the chance to try Marks patch, but the pio_polling patch 
from Albert works!!