linux-kernel - Re: 2.6.21-rc2-mm1

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Message-ID: <20070305232058.6eeeb254@werewolf-wl>
Date:	Mon, 5 Mar 2007 23:20:58 +0100
From:	"J.A. Magallón" <jamagallon@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-rc2-mm1

On Fri, 2 Mar 2007 03:00:26 -0800, Andrew Morton <akpm@...ux-foundation.org> wrote:

> 
> Temporarily at
> 
>   http://userweb.kernel.org/~akpm/2.6.21-rc2-mm1/
> 
> Will appear later at
> 
>   ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc2/2.6.21-rc2-mm1/
> 
> 

I'm also noticing very bad behaviour wrt scheduling, I think. When I launch my
parallel cpu burning code, the system _really_ stalls, the mouse in X11 is not
jerky, it is _stuck_ for a couple or three seconds...

The only diffrecence is that, trying to solve nVidia driver problems, I disabled
BKL preemption:

werewolf:/usr/src/linux# grep PREEMPT .config
# CONFIG_PREEMPT_RCU is not set
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
# CONFIG_PREEMPT_BKL is not set

--
J.A. Magallon <jamagallon()ono!com>     \               Software is like sex:
                                         \         It's better when it's free
Mandriva Linux release 2007.1 (Cooker) for i586
Linux 2.6.20-jam01 (gcc 4.1.2 20070115 (prerelease) (4.1.2-0.20070115.1mdv2007.1)) #1 SMP PREEMPT
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