linux-kernel - Re: Regression? 2.6.27-rc3 segfault on cold boot; not on warm boot.

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Message-Id: <200808211447.35284.rjw@sisk.pl>
Date:	Thu, 21 Aug 2008 14:47:34 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	David Greaves <david@...eaves.com>
Cc:	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
Subject: Re: Regression? 2.6.27-rc3 segfault on cold boot; not on warm boot.

On Thursday, 21 of August 2008, David Greaves wrote:
> I have a desktop system that has started having problems booting up in the morning.
> 
> It appears to just happen on more recent kernels.
> I was having unrelated CDROM problems with a driver in an old kernel and decided
> to test 2.6.27-rcX
> The CDROM problem is fine now.
> 
> However I started having problems on -rc1. I found that the machine was hanging
> soon after booting and needed a reboot. After a reboot it would work fine for
> the rest of the day.
> When -rc3 came out I tried that and the problem still appears to be there.
> 
> The normal process is now to boot to single-user, ctrl-alt-sysreq-SUB and then
> reboot to multi-user. This isn't ideal.
> 
> 
> If I cold boot 2.6.25.3 the problem doesn't occur.
> I will try different versions over the next few days.
> 
> Sample log from a few days back. (2.6.27-rc1 I think)
> 
> The problem does cause filesystem crashes so I'm cautious about messing around
> unguided.
> 
> Happy to try any suggestions.

Please try 2.6.26.x and see if the problem is present in there.

Thanks,
Rafael
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