On Mon, 24 Mar 2008, Gabriel C wrote:
Hmm. Can you please apply the patch below. It add some more info and
triggers the sysrq-q timer list printout when the watchdog
triggers. That might us give some insight into this.
Thanks,
tglx
---
kernel/time/clocksource.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/time/clocksource.c
===================================================================
--- linux-2.6.orig/kernel/time/clocksource.c
+++ linux-2.6/kernel/time/clocksource.c
@@ -87,8 +87,10 @@ static void clocksource_ratewd(struct cl
if (delta > -WATCHDOG_THRESHOLD && delta < WATCHDOG_THRESHOLD)
return;
- printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
- cs->name, delta);
+ printk(KERN_WARNING
+ "Clocksource %s unstable (delta = %Ld ns) E:%lu J:%lu\n",
+ cs->name, delta, watchdog_timer.expires, jiffies);
+ sysrq_timer_list_show();
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
clocksource_change_rating(cs, 0);
list_del(&cs->wd_list);
--