linux-kernel - Re: Linux 2.6.30.2: does not boot

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Message-ID: <20090720212318.2aa5be21@varda>
Date:	Mon, 20 Jul 2009 21:23:18 +0200
From:	Alejandro Riveira Fernández 
	<ariveira@...il.com>
To:	Damien Wyart <damien.wyart@...e.fr>
Cc:	Greg KH <gregkh@...e.de>,
	Wolfgang Walter <wolfgang.walter@...m.de>,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: Linux 2.6.30.2: does not boot

El Mon, 20 Jul 2009 20:03:33 +0200
Damien Wyart <damien.wyart@...e.fr> escribió:

> > > Built 2.6.30.2 but it hangs when booting immediately after the message:
> 
> > > Booting the kernel.
> 
> > > I built it with gcc version 4.3.3 on debian/sid and used exactly the
> > > same .config as I used with 2.6.32.1 (ok, + "DEFAULT_MMAP_MIN_ADDR
> > > 4096" which didn't exist before).
> 
> * Greg KH <gregkh@...e.de> [2009-07-20 08:09]:
> > Can you do 'git bisect' to see which patch caused the problem? It
> > might be the one, "Don't use '-fwrapv' compiler option: it's buggy in
> > gcc-4.1.x", but it would be good to figure it out for sure.
> 
> I am seeing a similar problem (no hang but an immediate reboot) on the
> same distro. I tried to bisect but got no good kernel in the end.
> 
> To clarify things I recompiled again 2.6.30.1 with the orginial .config
> and it also failed to boot (I was happy to have renamed it so the
> working kernel was still available). I suspected a recent gcc 4.3
> upgrade so downgraded gcc, but no luck, still getting the same problem.
> So for now I am quite stuck, but there is clearly a bad problem
> somewhere...
> 
I did not have any probelm with the gcc shipped in ubuntu gcc (Ubuntu
4.3.3-5ubuntu4) 4.3.3 (64 bit jaunty 9.04)

All three 2.6.30 2.6.30.1 and .2 boot just fine (i carry a revert but i
doubt it changes things)

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