linux-kernel - Re: Linux 2.6.28-rc7

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Date:	Tue, 2 Dec 2008 19:49:07 +0100
From:	Alejandro Riveira Fernández 
	<ariveira@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dmitry Baryshkov <dbaryshkov@...il.com>,
	Alistair John Strachan <alistair@...zero.co.uk>,
	"Michael B. Trausch" <mike@...usch.us>
Subject: Re: Linux 2.6.28-rc7

El Tue, 2 Dec 2008 08:13:47 -0800 (PST)
Linus Torvalds <torvalds@...ux-foundation.org> escribió:

> 
> 
> On Tue, 2 Dec 2008, Alejandro Riveira Fernández wrote:

[ ... ]
> 
> Since you are apparently a git user, and 2.6.28-rc6-00007-ged31348 was 
> fine, there's really only 270 commits in between that and 2.6.28-rc7. Can 
> I ask you to bisect for a couple of runs, which would cut it down to a 
> handful? (Ie you don't even need to do a full bisect, although that should 
> really only require about 8 reboots).
> 
> Just do
> 
> 	git bisect start
> 	git bisect bad v2.6.27
                       v2.6.28-rc7 <<< 
> 	git bisect good v2.6.28-rc6-00007-ged31348
> 
> and off you go. That would help enormously.
> 
> There are very few console-related changes in that range, and the most 
> notably one is actually radeon-specific so it shouldn't be an issue for 
> you. I'd _suspect_ bca404afdc5206c3bb30168315ee8a98a579ec65 ("fbdev: fix 
> FB console blanking"), but quite frankly, it could be something random 
> that just interacted badly. A bisection would narrow things down.

 Here you go 

 [alex@...da:kernel/linux-2.6]$ git bisect bad                                   
31168481c32c8a485e1003af9433124dede57f8d is first bad commit
commit 31168481c32c8a485e1003af9433124dede57f8d
Author: Al Viro <viro@....linux.org.uk>
Date:   Sat Nov 22 17:33:24 2008 +0000

    meminit section warnings
    
    Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
    Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>

:040000 040000 87b37c3148067870af9fd13e661e0dc96ddfb99c b971fe6efa622c1f90ef7da702997a04fc83418d M      include
:040000 040000 6dc7c5088a129e3432c31aadce83e98c2e07916e ae9694713cee3ff50411102b08fb4f33f881f3c4 M      mm



[alex@...da:kernel/linux-2.6]$ git bisect log

git bisect start
# bad: [061e41fdb5047b1fb161e89664057835935ca1d2] Linux 2.6.28-rc7
git bisect bad 061e41fdb5047b1fb161e89664057835935ca1d2
# good: [ed313489badef16d700f5a3be50e8fd8f8294bc8] Merge master.kernel.org:/home/rmk/linux-2.6-arm
git bisect good ed313489badef16d700f5a3be50e8fd8f8294bc8
# bad: [9bd062d9eaf9e790330f37d9f4518e1b95131f6c] Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
git bisect bad 9bd062d9eaf9e790330f37d9f4518e1b95131f6c
# bad: [499c59c42967329d39481314a839d7669f5e1506] MN10300: Tighten up the code using case ranges
git bisect bad 499c59c42967329d39481314a839d7669f5e1506
# bad: [211f05a034f49586fdd071abd174853217ec29ee] input: replace spin_lock_bh with spin_lock_irqsave in ml_ff_playback
git bisect bad 211f05a034f49586fdd071abd174853217ec29ee
# bad: [1c4567aeed84a2746d78d4c1fe092222a559d43f] m32r: section noise in head.S
git bisect bad 1c4567aeed84a2746d78d4c1fe092222a559d43f
# bad: [d16d7667f9c211e8d9b7e2365cc3d3a83fc6a8e2] icside section warnings
git bisect bad d16d7667f9c211e8d9b7e2365cc3d3a83fc6a8e2
# bad: [409832f5484cd1e2d8812c3236dffb33d01c359b] sparc32 cpuinit flase positives
git bisect bad 409832f5484cd1e2d8812c3236dffb33d01c359b
# bad: [7d6a8a1c487422b772201927c454930377d8cf7e] false __cpuinit positives on alpha
git bisect bad 7d6a8a1c487422b772201927c454930377d8cf7e
# bad: [31168481c32c8a485e1003af9433124dede57f8d] meminit section warnings
git bisect bad 31168481c32c8a485e1003af9433124dede57f8d


 That's what i got after the bisection dunno if that helps...


> 
> 			Linus
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