linux-kernel - Re: PIIX4: DMA timeout issue

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Message-ID: <488FBCB4.4080609@alcatel-lucent.com>
Date:	Wed, 30 Jul 2008 08:58:28 +0800
From:	gshan <gshan@...atel-lucent.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: PIIX4: DMA timeout issue

Jeff Garzik wrote:
> gshan wrote:
>> Hello, I sent mails on this issue before, but nobody made response.
>> There are 2 types of board for me. The hardware configuration for
>> those 2 boards are almost same except that one of them has 100GB
>> harddisk, and another type of board has 60GB harddisk. All harddisk
>> was access through PIIX4. I found this issue on board with 60GB
>> disk, but can't reproduce it on that with 100GB disk.
>>
>> When I uncompressed a large file (600MB) to a logic partition with 8GB
>> size, following errors was report on middle way (5 minutes about from 
>> start).
>> Anybody has ideas?
>>
>> hdc: dma_timer_expiry: dma status == 0x21
>> hdc: DMA timeout error
>> hdc: dma timeout error: status=0x58 { DriveReady SeekComplete 
>> DataRequest }
>> ide: failed opcode was: unknown
>> hdc: DMA disabled
>> ide1: reset: success
>
> Can you try disabling the IDE driver (CONFIG_IDE) and enabling the 
> newer libata driver?  (CONFIG_ATA)
Jeff, thanks a lot for your suggestions. I will try it if possible.
>
>     Jeff
>
>
>
>

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