linux-kernel - Re: 2.6.19-rc6-rt0, -rt YUM repository

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Date:	Fri, 17 Nov 2006 20:13:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Lee Revell <rlrevell@...-job.com>
Cc:	Daniel Walker <dwalker@...sta.com>,
	Esben Nielsen <nielsen.esben@...glemail.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 2.6.19-rc6-rt0, -rt YUM repository


* Lee Revell <rlrevell@...-job.com> wrote:

> On Fri, 2006-11-17 at 17:17 +0100, Ingo Molnar wrote:
> > thanks, please do that. Right now i have no open boot-crash regression 
> > left that i can reproduce.
> 
> Possibly old news, but with 2.6.18-rt7 this user gets an Oops in
> read_hpet() if high res timers are enabled.
> 
> http://ubuntuforums.org/showthread.php?t=292071

hm, that bug could still be around - does the patch below fix it? I've 
uploaded -rt3 and soon there will be -rt3 rpms in the YUM repository 
too.

	Ingo

Index: linux/drivers/char/hpet.c
===================================================================
--- linux.orig/drivers/char/hpet.c
+++ linux/drivers/char/hpet.c
@@ -909,9 +909,7 @@ int hpet_alloc(struct hpet_data *hdp)
 	hpetp->hp_delta = hpet_calibrate(hpetp);
 
 	if (!hpet_clocksource_p) {
-#ifdef CONFIG_IA64
-        	clocksource_hpet.fsys_mmio_ptr = hpet_mc_ptr = &hpetp->hp_hpet->hpet_mc;
-#endif
+        	hpet_mc_ptr = &hpetp->hp_hpet->hpet_mc;
         	clocksource_hpet.mult = clocksource_hz2mult(hpetp->hp_tick_freq,
                                                    clocksource_hpet.shift);
         	clocksource_register(&clocksource_hpet);
-
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