Hi... On Sun, Aug 28, 2011 at 03:59, Parmenides <mobile.parmenides@xxxxxxxxx> wrote: >> are you really sure? in my system (laptop with core duo cpu) it is >> increased by around 1000-2000 every 2 seconds and AFAIK it is using >> HPET. >> > Yes. How can I see the timer is i8253 or HPET? I just found 'timer' in > terms of the output of 'cat /proc/interrupts'. try dumping the output of "/sys/devices/system/clocksource/clocksource*/current_clocksource" >> So maybe IMO free_irq() is causing your cpu referencing null >> instruction...that might be due to free_irq is not checking whether it >> is safe to delete a handler.... >> > After enabling the RTC support, I have recompiled the kernel and try > to use the irq 8. But, it seems that the 'irq_request()' can not > register my hangler. isn't that 8 occupied by rtc? and it might be occupied exclusively....a.k.a you can put more handler there -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
