linux-kernel - Re: 2.6.21-rc1 and 2.6.21-rc2 kwin dies silently

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Message-ID: <20070321193420.GP752@stusta.de>
Date:	Wed, 21 Mar 2007 20:34:20 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Sid Boyce <g3vbv@...eyonder.co.uk>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	linux-kernel@...r.kernel.org, auxsvr@...il.com
Subject: Re: 2.6.21-rc1 and 2.6.21-rc2 kwin dies silently

On Wed, Mar 21, 2007 at 05:43:11PM +0000, Sid Boyce wrote:
> Sid Boyce wrote:
> >Andrew Morton wrote:
> >>(cc restored.  Please always do reply-to-all)
> >>
> >> 
> >>>On Wed, 28 Feb 2007 18:05:13 +0200 auxsvr@...il.com wrote:
> >>>On Wednesday 28 February 2007 17:19, Sid Boyce wrote:
> >>>   
> >>>>openSUSE 10.3 Alpha and KDE-3.5.6, xorg-x11-7.2. KDE is setup not to
> >>>>require a password to unlock, but it asks for password. When the screen
> >>>>unlocks, kwin is gone with no errors logged in /var/log/kdm or
> >>>>/var/log/messages. No problems with 2.6.20.
> >>>>
> >>>>Same problem on openSUSE 10.2 x86_64, KDE-3.5.5 and 2.6.21-rc2.
> >>>>Regards
> >>>>Sid.
> >>>>      
> >>>This is the linux kernel mailing list. Perhaps you should post your 
> >>>problem to the opensuse mailing list.
> >>>    
> >>
> >>2.6.20 worked.
> >>
> >>2.6.20-rc2 did not.
> >>
> >>Working theory: the kernel broke.
> >>
> >>Sid, the chances that anyone can work out what caused this are pretty 
> >>low. It would be great if you could perform a git bisection search 
> >>sometime in
> >>the next few weeks, work out which commit caused this.
> >>
> >>Thanks.
> >>
> >>
> >>
> >>  
> >I shall go back to 2.6.20-git3 and work forward. Up to 2.6.20-git2 was OK.
> >Regards
> >Sid.
> >
> 
> I tracked the problem down to 2.6.20-git11. Up to 2.6.20-git10 is OK, 
> but from 2.6.20-git11 up to current 2.6.21-rc4-git2 all exhibit the problem.

Thanks for this search.

Looking at the changes between 2.6.20-git10 and 2.6.20-git11, the only 
suspicious changes are the 60 sysctl patches by Eric.

Eric, can you look at this issue?

> Regards
> Sid.

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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