From: Mark Lord <liml@rtr.ca>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Alan Cox <alan@redhat.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: libata fails to recover from HSM violation involving DRQ status
Date: Sun, 29 Apr 2007 12:47:20 -0400 [thread overview]
Message-ID: <4634CC18.4080208@rtr.ca> (raw)
In-Reply-To: <4634CAEC.4010700@gmail.com>
Tejun Heo wrote:
> So, this is specific to SATA (the host side at least) piix && PIO READ,
> right? I think we can fit this code nicely into
> piix_sata_error_handler() if we make sure that it triggers under the
> right condition - after a PIO READ command fails due to HSM violation
> caused by stuck DRQ.
Yeah, so far it's just PIO FROM DEVICE on a "SATA" device on ata_piix.
It *may* be more widespread than that, but we'll have to test some others.
> Can you please perform similar test on a native PATA device connected to
> native PATA controller? I'm curious whether SRST makes real silicons
> forget about the on-going command.
I'll dig through some other hardware here and see what I have.
This'll take a few hours.
Cheers
next prev parent reply other threads:[~2007-04-29 16:47 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-28 20:15 libata fails to recover from HSM violation involving DRQ status Mark Lord
2007-04-28 20:18 ` Mark Lord
2007-04-28 20:30 ` Alan Cox
2007-04-28 20:37 ` Jeff Garzik
2007-04-28 20:44 ` Mark Lord
2007-04-28 20:50 ` Jeff Garzik
2007-04-28 21:25 ` Alan Cox
2007-04-28 21:35 ` Mark Lord
2007-04-28 21:38 ` Jeff Garzik
2007-04-28 21:41 ` Mark Lord
2007-04-29 3:17 ` Tejun Heo
2007-04-29 3:46 ` Jeff Garzik
2007-04-29 7:45 ` Tejun Heo
2007-04-29 3:51 ` Tejun Heo
2007-04-29 11:56 ` Mark Lord
2007-04-29 12:59 ` Mark Lord
2007-04-29 13:13 ` Mark Lord
2007-04-29 16:42 ` Tejun Heo
2007-04-29 16:47 ` Mark Lord [this message]
2007-04-29 18:49 ` Mark Lord
2007-04-29 19:05 ` Mark Lord
2007-04-30 0:59 ` Tejun Heo
2007-04-29 19:07 ` Mark Lord
2007-04-30 0:54 ` Tejun Heo
2007-04-30 3:42 ` Mark Lord
2007-04-30 3:58 ` Tejun Heo
2007-04-30 17:47 ` Mark Lord
2007-05-01 0:23 ` Mark Lord
2007-05-01 2:47 ` Tejun Heo
2007-05-01 13:00 ` Mark Lord
2007-05-11 3:33 ` Mark Lord
2007-05-11 3:35 ` Mark Lord
2007-04-29 12:07 ` Mark Lord
2007-04-29 16:36 ` Tejun Heo
2007-04-28 23:56 ` Alan Cox
2007-04-28 22:09 ` Mark Lord
2007-04-29 3:04 ` Tejun Heo
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