linux-kernel - Re: Hang in 2.6.23-rc5

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Date:	Mon, 3 Sep 2007 02:56:39 +0530 (IST)
From:	Satyam Sharma <satyam@...radead.org>
To:	Alessandro Suardi <alessandro.suardi@...il.com>
cc:	charles gagalac <charles.gagalac@...il.com>,
	daryll q <daryll_26m@...oo.com.ph>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew <andrew@...less.net>
Subject: Re: Hang in 2.6.23-rc5



On Sun, 2 Sep 2007, Alessandro Suardi wrote:
> 
> On 9/2/07, charles gagalac <charles.gagalac@...il.com> wrote:
> > On 9/2/07, daryll q wrote:
> > > Upgraded my kernel from 2.6.23-rc2 to 2.6.23-rc5.
> > >
> > >  System hangs (caps lock and scroll lock leds are both flashing).
> > >
> > >  It *randomly* happens but most of the time during after login to KDE.
> > >
> > >  I have not investigated it yet because I have not tried doing it  before.
> > >
> > >  Also the system is really not responding so I can't do much.. Just
> > >  hope it blue screen so I can send the error code easily :)
> >
> > i experienced hangs, with the flashing caps and scroll locks as you've
> > described, in a few of my later pulls prior to rc5.  i couldn't
> > reproduce the hangs and my logs didn't show evidence of a problem.  my
> > system under rc5, so far, hasn't hung on me.
> 
> Oh, I thought I was the only one. I also had a single hang+flashing
>  Caps & Scroll Lock with -rc5, but haven't had one since.

Looks like a full-blown panic to me. Didn't any of you guys manage to
catch anything in /var/log/messages? Else, please try reproducing this
with a serial console or netconsole at least. netconsole should be easy
to setup, instructions on how to use that here:

(very long URL)
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.24.git;a=blob_plain;f=Documentation/networking/netconsole.txt;hb=HEAD
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