linux-kernel - Re: X-freeze after clflush changes [Was: 2.6.23-rc6-mm1]

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Message-ID: <21897.1190294255@turing-police.cc.vt.edu>
Date:	Thu, 20 Sep 2007 09:17:35 -0400
From:	Valdis.Kletnieks@...edu
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: X-freeze after clflush changes [Was: 2.6.23-rc6-mm1]

On Wed, 19 Sep 2007 22:47:41 +0200, Jiri Slaby said:
> On 09/19/2007 10:32 PM, Valdis.Kletnieks@...edu wrote:

> > That would probably have been me, saying that x86_64-mm-cpa-clflush.patch broke
> > the NVidia graphics driver in 23-rc3-mm1.  Is it breaking *other* X drivers as
> > well?
> 
> Yes, the issue is there from rc3-mm1, see (intel and radeon cards are affected
> in my case):
> http://lkml.org/lkml/2007/9/9/51
> 
> But now I'm talking about another issue -- a regression since rc4-mm1, where X
> server is unable to bind agp memory (those x logs above). The clflush issue has
> solved andi in
> http://lkml.org/lkml/2007/9/19/334
> recently

Tried that, my laptop still bricks the instant X starts up and the NVidia driver
tries to initialize.  Not even sysrq-foo works. Time to power-cycle.

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