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From: Andrew Morton <akpm@linux-foundation.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Will Trives <will@trivescon.com.au>,
	linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	linux-acpi@vger.kernel.org
Subject: Re: cd/dvd inaccessible in 2.6.24-rc2
Date: Sat, 10 Nov 2007 16:13:01 -0800	[thread overview]
Message-ID: <20071110161301.4d50676f.akpm@linux-foundation.org> (raw)
In-Reply-To: <20071110230553.1a935ec6@the-village.bc.nu>

On Sat, 10 Nov 2007 23:05:53 +0000 Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > > ata9.00: qc timeout (cmd 0xa0)
> > > ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> > > ata9.00: cmd a0/00:00:00:02:00/00:00:00:00:00/a0 tag 0 cdb 0x5a data 2
> > > in
> > >          res 51/54:03:00:02:00/00:00:00:00:00/a0 Emask 0x5 (timeout)
> > > ata9.00: status: { DRDY ERR }
> 
> Could be an IRQ/ACPI regression, and in fact to me it looks more like
> that, than an IDE one.

Drat.  Seems that once we break that sort of thing we never fix it again.

> Probably worth trying the various IRQ routing
> options and seeing if they help.

Yup.

Please, if you have time, bisect it down to the offending commit?

There's info at http://www.kernel.org/doc/local/git-quick.html which should
help.

Thanks.

  parent reply	other threads:[~2007-11-11  0:13 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-10  4:27 Will Trives
2007-11-10 22:49 ` Andrew Morton
2007-11-10 23:05   ` Alan Cox
2007-11-10 23:28     ` Jeff Garzik
2007-11-11  0:13     ` Andrew Morton [this message]
2007-11-10 23:35 ` Jeff Garzik
2007-11-11  4:40   ` Will Trives
2007-11-12  6:00     ` Will Trives
2007-11-12 15:23       ` Tejun Heo
2008-02-21 17:07 Felix Homann

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