linux-kernel - Re: 2.6.20-rc4: known unfixed regressions (v2)

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Date:	Tue, 9 Jan 2007 21:28:50 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Linus Torvalds <torvalds@...l.org>
Cc:	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Malte Schröder <MalteSch@....de>,
	reiserfs-dev@...esys.com
Subject: Re: 2.6.20-rc4: known unfixed regressions (v2)

On Tue, Jan 09, 2007 at 09:58:19AM -0800, Linus Torvalds wrote:
> 
> 
> On Tue, 9 Jan 2007, Adrian Bunk wrote:
> > 
> > Subject : BUG: at mm/truncate.c:60 cancel_dirty_page()  (reiserfs) 
> > References : http://lkml.org/lkml/2007/1/7/117
> > Submitter : Malte Schröder <MalteSch@....de>
> > Status : unknown
> 
> Adrian, this is also available as
> 
> 	http://lkml.org/lkml/2007/1/5/308

The latter was in my list as:

Subject    : BUG: at mm/truncate.c:60 cancel_dirty_page()  (XFS)
References : http://lkml.org/lkml/2007/1/5/308
Submitter  : Sami Farin <7atbggg02@...akemail.com>
Handled-By : David Chinner <dgc@....com>
Patch      : http://lkml.org/lkml/2007/1/7/201
Status     : patch available

>...
> So I think this does show some confusion in reiserfs, but it's not 
> anything new. The only new thing is that the _message_ happens.
> 
> So I don't personally consider this a regression. Just a sign of old and 
> preexisting confusion that is now uncovered by new code (and it will print 
> out the scary message at most four times, and then stop complaining about 
> it. So apart from the scary message, nothing new and bad has really 
> happened).

At least the printing of scary messages is a regression.

Unless we want to be buried in bug reports after 2.6.20 got released, 
the minimum fix is to temporarily remove the WARN_ON().

> 		Linus

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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