linux-kernel - Re: [BISECTED][REGRESSION] Kernel does not boot on EeePC

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Date:	Mon, 9 Jun 2014 12:26:16 +0200
From:	Igor Mammedov <imammedo@...hat.com>
To:	Sitsofe Wheeler <sitsofe@...il.com>
Cc:	Toshi Kani <toshi.kani@...com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [BISECTED][REGRESSION] Kernel does not boot on EeePC

On Sun, 8 Jun 2014 10:02:23 +0100
Sitsofe Wheeler <sitsofe@...il.com> wrote:

> Hi,
> 
> The latest kernel (c593e8978722f7f4a12932733cfeed6c0c74fbaa) refuses to
> boot on my EeePC - after grub is finished the screen just remains black
> and the only thing that does something is pressing the power button. The
> problem commit seems to be:
I'm sorry for introducing mess, I don't have EeePC to test this on.
Could you help to track problem on it?
Is there any output if you boot affected kernel with
"earlyprintk=vga ignore_loglevel" options?
 

> 
> commit 3e1a878b7ccdb31da6d9d2b855c72ad87afeba3f
> Author: Igor Mammedov <imammedo@...hat.com>
> Date:   Thu Jun 5 15:42:45 2014 +0200
> 
>     x86/smpboot: Initialize secondary CPU only if master CPU will wait for it
> 
> Here's the bisection log:
> # bad: [c593e8978722f7f4a12932733cfeed6c0c74fbaa] Merge branch 'for-linus'
> of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs # good:
> [14186fea0cb06bc43181ce239efe0df6f1af260a] Merge tag 'locks-v3.15-4' of
> git://git.samba.org/jlayton/linux git bisect start 'HEAD@...' 'HEAD@...' #
> good: [5fa6a683c061cd4662b436135cc76552dbc29a43] Merge
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net git bisect good
> 5fa6a683c061cd4662b436135cc76552dbc29a43 # good:
> [9f12600fe425bc28f0ccba034a77783c09c15af4] dcache: add missing lockdep
> annotation git bisect good 9f12600fe425bc28f0ccba034a77783c09c15af4 # good:
> [ca755175f245b91f72cfa474aaa8acd9c26996f4] Merge tag 'md/3.15-fixes' of
> git://neil.brown.name/md git bisect good
> ca755175f245b91f72cfa474aaa8acd9c26996f4 # bad:
> [3e1a878b7ccdb31da6d9d2b855c72ad87afeba3f] x86/smpboot: Initialize secondary
> CPU only if master CPU will wait for it git bisect bad
> 3e1a878b7ccdb31da6d9d2b855c72ad87afeba3f # good:
> [c65c7a306610ee7c13669a8f5601b472c19dc6f1] bridge: notify user space after
> fdb update git bisect good c65c7a306610ee7c13669a8f5601b472c19dc6f1 # good:
> [3aab01d800eb195de3f273d9a195fe070a507d56] net: ec_bhf: Add runtime
> dependencies git bisect good 3aab01d800eb195de3f273d9a195fe070a507d56 #
> good: [d2cfd3105094f593bc1fbd0b042a7752ddf08691] Merge tag 'sound-3.15' of
> git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound git bisect good
> d2cfd3105094f593bc1fbd0b042a7752ddf08691 # good:
> [89f898c1e195fa6235c869bb457e500b7b3ac49d] x86: Fix list/memory corruption
> on CPU hotplug git bisect good 89f898c1e195fa6235c869bb457e500b7b3ac49d #
> good: [feef1e8ecbadf24f8e6829c935df8683cabae41b] x86/smpboot: Log error on
> secondary CPU wakeup failure at ERR level git bisect good
> feef1e8ecbadf24f8e6829c935df8683cabae41b # first bad commit:
> [3e1a878b7ccdb31da6d9d2b855c72ad87afeba3f] x86/smpboot: Initialize secondary
> CPU only if master CPU will wait for it
> 
> -- 
> Sitsofe | http://sucs.org/~sits/


-- 
Regards,
  Igor
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