linux-kernel - Re: [Bug #13819] system freeze when switching to console

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Message-ID: <20090908161657.0f21c7fb@jbarnes-g45>
Date:	Tue, 8 Sep 2009 16:16:57 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	reinette chatre <reinette.chatre@...el.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Eric Anholt <eric@...olt.net>, "Ma, Ling" <ling.ma@...el.com>,
	"bugzilla-daemon@...zilla.kernel.org" 
	<bugzilla-daemon@...zilla.kernel.org>
Subject: Re: [Bug #13819] system freeze when switching to console

On Tue, 08 Sep 2009 15:37:41 -0700
reinette chatre <reinette.chatre@...el.com> wrote:

> On Tue, 2009-09-08 at 11:06 -0700, Linus Torvalds wrote:
> > so this is TOTALLY UNTESTED!
> 
> I understand that the discussion is still going on whether this is the
> right thing to do. Even so, I thought you may like to know that with
> this patch I can again switch to console, back again, hibernate, and
> shut down .. all without crashing my system.
> 
> Tested-by: Reinette Chatre <reinette.chatre@...el.com>
> 
> Thank you very much!

Do you see "hardware wedged" messages in your log after using Linus's
patch?  That's what I'd expect...  ah no I see we don't call the
routine that requires interrupts in that path like I thought.

So Linus's patch is fine with me.

Acked-by: Jesse Barnes <jbarnes@...tuousgeek.org>

Sorry Linus, you were right; I was making this more complicated than it
had to be.

-- 
Jesse Barnes, Intel Open Source Technology Center
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