linux-kernel - [SOLVED] Re: [discuss] 2.6.19-rc5: known regressions (v2)

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Message-ID: <20061129111045.212844cb@localhost>
Date:	Wed, 29 Nov 2006 11:10:45 +0100
From:	Paolo Ornati <ornati@...twebnet.it>
To:	Paolo Ornati <ornati@...twebnet.it>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Adrian Bunk <bunk@...sta.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [SOLVED] Re: [discuss] 2.6.19-rc5: known regressions (v2)

On Tue, 14 Nov 2006 17:44:51 +0100
Paolo Ornati <ornati@...twebnet.it> wrote:

> > > Okay, please let us know if it survives the next several cycles.
> > > 
> > > OTOH, the problem may be hiding.
> > 
> > Ok, and if it survives againg and again I can do a partial bisection...
> 
> "-rc5" is still alive: 6 days of uptime using suspend/resume many times
> every day...
> 
> so if the problem is there it's hiding very well.
> 
> 
> Now I'll slowly go back with older kernels and see what happens...

SHORT CONCLUSION: it was just a kernel miscompilation (I usually do
"make oldconfig; make clean; make" so I don't know if I missed "make
clean" or if it was caused by ccache...).


The fact that it's a miscompilation is "proved" by 3 simple things:

1) I've only seen the problem with that particular version

2) slow bisection pointed that the ipotetic bug was fixed between
4b1c46a3..d1ed6a3e, but I don't see any change that matters (on x86_64).

3) I'm running a clean recompiled 2.6.19-rc4-g4b1c46a3, that doesn't
have any problem.


:D

-- 
	Paolo Ornati
	Linux 2.6.19-rc4-g4b1c46a3 on x86_64
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