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

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Message-ID: <20070322105908.GS752@stusta.de>
Date:	Thu, 22 Mar 2007 11:59:08 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	g3vbv@...eyonder.co.uk,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	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 06:42:58PM -0700, Randy Dunlap wrote:
> On Thu, 22 Mar 2007 01:32:36 +0000 Sid Boyce wrote:
> 
> >...
> There's not a lot of docs out there.
> 
> The man-page:  http://www.kernel.org/pub/software/scm/git/docs/git-bisect.html
> 
> Linus's email doc:
> http://www.kernel.org/pub/software/scm/git/docs/howto/isolate-bugs-with-bisect.txt
> 
> I worked on something over last weekend, but it doesn't really add
> much to the references above.
>...


FWIW:
My standard instructions for users who are asked to bisect are [1]:


<--  snip  -->

# install git and cogito on your computer

# clone Linus' tree:
cg-clone \ 
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

# start bisecting:
cd linux-2.6
git bisect start
git bisect bad 86a71dbd3e81e8870d0f0e56b87875f57e58222b
git bisect good ac98695d6c1508b724f246f38ce57fb4e3cec356

# start round
cp /path/to/.config .
make oldconfig
make
# install kernel, check whether it's good or bad, then:
git bisect [bad|good]
# start next round


After at about 8 reboots, you'll have found the guilty commit
("...  is first bad commit").


More information on git bisecting:
  man git-bisect

<--  snip  -->


> ~Randy

cu
Adrian

[1] the start and end commits and the number of reboots are variable,
    but the rest of the text is generic

-- 

       "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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