linux-kernel - Re: 2.6.24-rc8-git1: Reported regressions from 2.6.23

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Date:	Fri, 18 Jan 2008 15:10:08 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, bunk@...nel.org,
	Dave Kleikamp <shaggy@...tin.ibm.com>,
	Takashi Iwai <tiwai@...e.de>,
	Shaohua Li <shaohua.li@...el.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: 2.6.24-rc8-git1: Reported regressions from 2.6.23

On Friday, 18 of January 2008, Linus Torvalds wrote:
> 
> On Thu, 17 Jan 2008, Andrew Morton wrote:
> > 
> > There are thirteen regressions for which we have patches but they aren't
> > merged.  That seems rather high.
> 
> I think a number of them have been merged, or the thing that caused them 
> reverted. For example.
> 
> > > Subject		: [2.6.24-rc6] pdflush still stuck in D state regression
> > > Submitter	: "Tvrtko A. Ursulin" <tvrtko@...ulin.net>
> > > Date		: 2007-11-02 09:54
> > > References	: http://bugzilla.kernel.org/show_bug.cgi?id=9291
> > > Handled-By	: Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
> > > Patch		: http://bugzilla.kernel.org/attachment.cgi?id=14219&action=view
> 
> Isn't this the same write-back-related thing, reverted by 
> c23f72cae9523d29ff94eec8f30ccbdaf234b20e?

This patch is certainly different.  It's against JFS only and that one was
generic (and from a different author, btw).

> > > Subject		: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s
> > > Submitter	: Roland Dreier <rdreier@...co.com>
> > > Date		: 2007-11-08 14:55
> > > References	: http://lkml.org/lkml/2007/11/8/255
> > > 		  http://bugzilla.kernel.org/show_bug.cgi?id=9332
> > > Handled-By	: Takashi Iwai <tiwai@...e.de>
> > > 		  Ingo Molnar <mingo@...e.hu>
> > > Patch		: http://lkml.org/lkml/2007/11/16/66
> 
> This patch went in, but was reverted because it caused more problems than 
> it fixed. And what it "fixed" was somewhat dubious anyway.

It was reported to break suspend on one box, but Takashi wants it in, AFAICS,
as quite some time has been invested into figuring out what's going wrong in
that case.

> > > Subject	: jiffies counter leaps in 2.6.24-rc3
> > > Submitter	: Stefano Brivio <stefano.brivio@...imi.it>
> > > Date	: 2007-11-29 08:36
> > > References	: http://lkml.org/lkml/2007/11/24/53
> > > 		  http://bugzilla.kernel.org/show_bug.cgi?id=9475
> > > Handled-By	: Ingo Molnar <mingo@...e.hu>
> > > Patch	: http://lkml.org/lkml/2007/12/7/132
> 
> I think this is just the printk timestamp, no? And I think Ingo fixed it 
> differently.

Explained by Ingo.
 
> > > Subject	: PATA_HPT37X embezzles two ports
> > > Submitter	: "Bjoern Olausson" <lkmlist@...il.com>
> > > Date	: 2007-12-12 11:05
> > > References	: http://lkml.org/lkml/2007/12/12/161
> > > 		  http://bugzilla.kernel.org/show_bug.cgi?id=9551
> > > Handled-By	: Alan Cox <alan@...rguk.ukuu.org.uk>
> > > Patch	: http://lkml.org/lkml/2007/1/4/161
> 
> Fixed by commit 73946f9fc5be1433f1e182d11303188390ff242f, afaik.

Well, I'm not sure.  the commit is from November 5 and the patch is from
January 4.  Also, the mscreg change is missing from the commit.

Greetings,
Rafael
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