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Date:	Wed, 28 Mar 2007 06:14:07 +0200
From:	Adrian Bunk <>
To:	Sid Boyce <>
Cc:	"Eric W. Biederman" <>,
	Randy Dunlap <>,,
Subject: Re: 2.6.21-rc1 and 2.6.21-rc2 kwin dies silently

On Wed, Mar 28, 2007 at 04:26:05AM +0100, Sid Boyce wrote:
> Eric W. Biederman wrote:
> >Sid Boyce <> writes:
> >
> >  
> >>This is what I've got so far on the first boot, I shall have to check the
> >>manpage for git-bisect again to see if there is anything else to be added,
> >>nothing enlightening seen so far - further reboots to be done.
> >>    
> >
> >I'm a little confused at what I am seeing below.
> >Normally what happens is that after a kernel compile and test.  You call
> >"git-bisect bad" or "git-bisect good" and then git-bisect picks the next
> >kernel to test.  Then you compile and test that one.  It looks like
> >you called git-bisect bad several times in a row without testing....
> >
> >
> >Eric
> >
> >  
> This is the procedure I followed.
> <--  snip  -->
> # install git and cogito on your computer
> # clone Linus' tree:
> cg-clone  
> 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]
> ========================================================
> I built and installed the kernel downloaded using "cg-clone", booted it 
> up  and ran "git bisect bad".  I'm also somewhat confused as the first 
> failing kernel is 2.6.20-git11, the Makefile says the kernel got with 
> cg-clone is actually 2.6.21-rc4 and it built as  2.6.20-g208367ee.
> Regards
> Sid.
> >>barrabas:/usr/src/GIT/linux-2.6 # git bisect bad
> >>Bisecting: 22 revisions left to test after this
> >>[3fc605a2aa38899c12180ca311f1eeb61a6d867e] knfsd: allow the server to 
> >>provide a
> >>gid list when using AUTH_UNIX authentication
> >>rrabas:/usr/src/GIT/linux-2.6 # git bisect bad

I think I got your problem:

After rebooting, you do "git bisect [bad|good]"  *once*.

Then recompile the kernel from the current tree, reboot, and again
*once* "git bisect [bad|good]".




       "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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