Bug 14909

Summary:	pata_cmd64x broken in 2.6.33-rc1
Product:	IO/Storage	Reporter:	Rafael J. Wysocki (rjw)
Component:	Serial ATA	Assignee:	Jeff Garzik (jgarzik)
Status:	CLOSED CODE_FIX
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.33-rc1	Subsystem:
Regression:	Yes	Bisected commit-id:
Bug Depends on:
Bug Blocks:	14885

Description Rafael J. Wysocki 2009-12-27 23:59:20 UTC

Subject    : pata_cmd64x broken in 2.6.33-rc1 on sparc64
Submitter  : Meelis Roos <mroos@linux.ee>
Date       : 2009-12-19 22:23
References : http://marc.info/?l=linux-kernel&m=126126142501594&w=4
Notify-Also : linux-ide@vger.kernel.org

This entry is being used for tracking a regression from 2.6.32.  Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit d43744390e460dce6626fb8de2c02a24ff650005
Author: Alan Cox <alan@linux.intel.com>
Date:   Mon Nov 30 13:22:54 2009 +0000

    pata_cmd64x: implement serialization as per notes

    Signed-off-by: Alan Cox <alan@linux.intel.com>
    Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

First-Bad-Commit : d43744390e460dce6626fb8de2c02a24ff650005

Comment 1 Jeff Garzik 2009-12-28 00:00:42 UTC

Fix is in mainline:

commit 06393afde321b0fd7626b2d0966ebcaf6077de93
Author: Jeff Garzik <jeff@garzik.org>
Date:   Sun Dec 20 15:39:55 2009 -0500

    Revert "pata_cmd64x: implement serialization as per notes"

Comment 2 Rafael J. Wysocki 2009-12-29 22:43:19 UTC

On Tuesday 29 December 2009, Meelis Roos wrote:
> > Bug-Entry   : http://bugzilla.kernel.org/show_bug.cgi?id=14909
> > Subject             : pata_cmd64x broken in 2.6.33-rc1
> > Submitter   : Meelis Roos <mroos@linux.ee>
> > Date                : 2009-12-19 22:23 (11 days old)
> > First-Bad-Commit:
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d43744390e460dce6626fb8de2c02a24ff650005
> > References  : http://marc.info/?l=linux-kernel&m=126126142501594&w=4
> 
> Fixed as of 2.6.33-rc2 - just retested the upstream fix.