Gautham R Shenoy's on April 4, 2019 9:19 pm:
> Hello Nicholas,
>
> On Tue, Apr 2, 2019 at 4:57 PM Nicholas Piggin wrote:
>>
>> Using a jiffies timer creates a dependency on the tick_do_timer_cpu
>> incrementing jiffies. If that CPU has locked up and jiffies is not
>> incrementing, the watchdog he
Hello Nicholas,
On Tue, Apr 2, 2019 at 4:57 PM Nicholas Piggin wrote:
>
> Using a jiffies timer creates a dependency on the tick_do_timer_cpu
> incrementing jiffies. If that CPU has locked up and jiffies is not
> incrementing, the watchdog heartbeat timer for all CPUs stops and
> creates false po
On 4/2/19 4:55 PM, Nicholas Piggin wrote:
> Using a jiffies timer creates a dependency on the tick_do_timer_cpu
> incrementing jiffies. If that CPU has locked up and jiffies is not
> incrementing, the watchdog heartbeat timer for all CPUs stops and
> creates false positives and confusing warning
Using a jiffies timer creates a dependency on the tick_do_timer_cpu
incrementing jiffies. If that CPU has locked up and jiffies is not
incrementing, the watchdog heartbeat timer for all CPUs stops and
creates false positives and confusing warnings on local CPUs, and
also causes the SMP detector to