linux-kernel - Re: 2.6.18-rt6

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Date:	Thu, 19 Oct 2006 17:59:58 -0700
From:	john stultz <johnstul@...ibm.com>
To:	sergio@...giomb.no-ip.org
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Mike Galbraith <efault@....de>,
	Daniel Walker <dwalker@...sta.com>,
	Manish Lachwani <mlachwani@...sta.com>, bastien.dugue@...l.net,
	Lee Revell <rlrevell@...-job.com>
Subject: Re: 2.6.18-rt6

On Fri, 2006-10-20 at 01:23 +0100, Sergio Monteiro Basto wrote:
> I just test rt6 it in my problematic VIA Board with one PENTIUM D (DUAL)
> 
> 1. don't apply cleaning to 2.16.18.1 (on sparc arch )
> 2. I usual boot with notsc (because without it give me many lost time
> tickets)
>     I try 2.16.18.1-rt6 without notsc and freeze on boot. 
>     I try with notsc and says 
>         Time: acpi_pm clocksource has been installed.
>         Looks stable and don't show any lost timer ticket on dmesg.

Out of curiosity, does 2.6.18.1 require notsc (or booting w/
clocksource=acpi_pm) to be stable? Or is it just -rt6 that has this
problem?

> But I want also work with Nvidia dri which is a close drive from NVIDIA.
> I install that drive and I enable DRI, After a few minutes I got a
> spontaneous reboot.
> I will keep testing without nvidia close source.
> 
> And I like to know if this rt6 patch make this new clocksource (acpi_pm)
> or just found it and use it ? 

-rt6 includes a patch from Thomas Gleixner that disables the TSC if
dynticks are enabled in your config.

thanks
-john


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