linux-kernel - Re: [git patches] libata fixes

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Message-ID: <45EBA84C.2020304@gmail.com>
Date:	Mon, 05 Mar 2007 14:19:08 +0900
From:	Tejun Heo <htejun@...il.com>
To:	rol@...917.net
CC:	'Jeff Garzik' <jeff@...zik.org>,
	'Andrew Morton' <akpm@...ux-foundation.org>,
	'Linus Torvalds' <torvalds@...ux-foundation.org>,
	linux-ide@...r.kernel.org, 'LKML' <linux-kernel@...r.kernel.org>
Subject: Re: [git patches] libata fixes

Hello,

Paul Rolland wrote:
> Hello,
> 
> Applied this on top of 2.6.21-rc1 and your previous patch (see my previous
> mail). 
> Still booting, no more the weird error I've reported minutes ago.
> 
> pata_jmicron still unable to detect my DVD-RW :
> scsi8 : pata_jmicron
> ata9.00: ATAPI, max UDMA/66
> ata9.00: qc timeout (cmd 0xef)
> ata9.00: failed to set xfermode (err_mask=0x4)
> ata9.00: limiting speed to UDMA/44
> ata9: failed to recover some devices, retrying in 5 secs
> ata9.00: qc timeout (cmd 0xef)
> ata9.00: failed to set xfermode (err_mask=0x4)
> ata9.00: limiting speed to PIO0
> ata9: failed to recover some devices, retrying in 5 secs
> ata9.00: qc timeout (cmd 0xef)
> ata9.00: failed to set xfermode (err_mask=0x4)
> ata9.00: disabled
> scsi9 : pata_jmicron
> ATA: abnormal status 0x7F on port 0x0000000000019807

1. Has it ever worked with the previous kernels?

2. If you connect a harddisk to pata_jmicron, does it work?

3. Does applying the attached patch fix your problem?

-- 
tejun

View attachment "pata_jmicron-polling-xfer.patch" of type "text/x-patch" (511 bytes)