On 15/09/2016 at 09:38:16 +0530, Pratyush Anand wrote :
> We have observed on few x86 machines with rtc-cmos device that
> hpet_rtc_interrupt() is called just after irq registration and before
> cmos_do_probe() could call hpet_rtc_timer_init().
> So, neither hpet_default_delta nor hpet_t1_cmp is initialized by the time
> interrupt is raised in the given situation, and this results in NMI
> watchdog LOCKUP.
> It has only been observed sporadically on kdump secondary kernels.
> Suggested-by: Thomas Gleixner <t...@linutronix.de>
> Signed-off-by: Pratyush Anand <pan...@redhat.com>
> ---
>  drivers/rtc/rtc-cmos.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
Applied, thanks.

Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering

You received this message because you are subscribed to "rtc-linux".
Membership options at http://groups.google.com/group/rtc-linux .
Please read http://groups.google.com/group/rtc-linux/web/checklist
before submitting a driver.
You received this message because you are subscribed to the Google Groups 
"rtc-linux" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to rtc-linux+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to