Message-Id: <201101241121.50658.ozan@pardus.org.tr>
Date:	Mon, 24 Jan 2011 11:21:50 +0200
From:	Ozan Çağlayan <ozan@...dus.org.tr>
To:	Lionel Debroux <lionel_debroux@...oo.fr>
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org, rjw@...k.pl,
	colin.king@...onical.com
Subject: Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops)

Pazartesi 24 Ocak 2011 günü (saat 11:04:35) Lionel Debroux şunları yazmıştı:
> 
> --- En date de : Dim 23.1.11, Ozan Çağlayan <ozan@...dus.org.tr>
> a écrit :
> 
> > De: Ozan Çağlayan <ozan@...dus.org.tr>
> > Objet: Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops)
> > À: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org, rjw@...k.pl, colin.king@...onical.com
> > Date: Dimanche 23 janvier 2011, 21h24
> > On 23.01.2011 16:28, Ozan Çağlayan
> > wrote:
> > > Hi,
> > >
> > > I'm getting a lot of bug reports about hanging
> > boot/shutdowns on these
> > > days.
> > >
> > > Most of the affected hardware are ASUS laptops. The
> > problem is that I
> > > don't have access to any of those problematic laptops
> > and the users are
> > > not able at all to debug/bisect what is going on.
> > However, I have
> > > collected dmesgs of good/bad boots, acpidump, etc.
> > >
> > > Here are the current status:
> > >
> > > "Asus F50SV does not boot unless lapic is passed"
> > > https://bugzilla.kernel.org/show_bug.cgi?id=26502
> > >
> > > "Regression between 2.6.35-020635-rc1 and
> > 2.6.35-020635 breaks acpi
> > > support on Asus X71 laptop"
> > > https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/689796
> > >
> > > "Asus N61JQ hangs at shutdown unless lapic is passed"
> > > (Not reported upstream yet, I've only downstream bug
> > report which is
> > > Turkish)
> > > http://bugs.pardus.org.tr/show_bug.cgi?id=15969
> > >
> > > "Asus X61S does not boot unless acpi=off is given"
> > > (Not reported upstream yet, I've only downstream bug
> > report which is
> > > Turkish)
> > > http://bugs.pardus.org.tr/show_bug.cgi?id=16322
> > > (I've told the reporter to try with nolapic, it will
> > probably fix the
> > > issue but until confirmed acpi=off is the only
> > solution. 2.6.36 was fine)
> > >
> > > I'll post more bugs in here as I've found them.
> > 
> > (CC'ing: Colin King from Canonical)
> > 
> > Another one for Asus N90Sc which was booting fine with
> > 10.04
> > but fails to boot with 10.10:
> >   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/653626
> > 
> > Seen that the issue mostly happens on Asus boxes, it's
> > possible
> > that their firmwares are buggy but they were
> > booting/shutting down
> > correctly until a recent change in kernel.
> My ASUS F3Jv-AS022P (Core 2 Duo T7200, 2 GB RAM, BIOS version
> 207) has trouble (read: it reboots within one second of the
> vmlinuz being loaded) with recent kernels as well.
> 
> While I haven't performed a full bisection yet (which is why 
> I didn't try reporting the problem until I saw this thread),
> I have narrowed down the problem by compiling several tagged
> versions:
> * 2.6.35 series: .4 and .6 boot successfully, .8 and .10 fail;
> * 2.6.36 series: -rc2 boots successfully, .1 fails;
> * 2.6.37 series: -rc4 fails.

So it's probably a commit to the mainline tree which was picked by 2.6.35
maintainer to the stable tree (probably it was CC'ed) cause this.

Does passing nolapic or acpi=off cures the issue? Maybe rebooting immediately while booting
is a sign of another problem, I don't know.

---
Ozan Çağlayan
TUBITAK/UEKAE - Pardus Linux
http://www.pardus.org.tr/eng
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