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

Ingo Molnar
2006-11-17T19:15:18Z

* Lee Revell <rlrevell@joe-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);