linux-kernel - Re: PIIX4: DMA timeout issue

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Message-ID: <4892BEBA.2000602@kernel.org>
Date:	Fri, 01 Aug 2008 16:43:54 +0900
From:	Tejun Heo <tj@...nel.org>
To:	gshan <gshan@...atel-lucent.com>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: PIIX4: DMA timeout issue

gshan wrote:
> 
>>> Another question is my PIIX4 chip has device ID + vendor ID of
>>> 0x71108086. But it finally
>>> was mapped to following ID of piix_pci_tbl[] array. Device of 0x7110
>>> and 0x7010 should
>>> be quit different, right?
>>>     
>>
>> Yes - I find tht one very odd - you might need to debug a bit to see what
>> is occuring if you think this is the case.
>>
>> Alan
>>   
> Alan/Jeff, I tried to install ATA driver on PIIX4. After fixing IRQ number
> to 143 for primary and secondary channel. I got following output and
> it seems the driver has been loaded sucessfully. However, I couldn't
> see any information from /proc/devices. Do you have any ideas?

You need the SCSI disk driver - sd_mod.ko.

-- 
tejun
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