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SubjectRe: Experiencing freezes with kernel 4.16.3 on a desktop with E5500 CPU (bisect included)
On Mon, Apr 23, 2018 at 11:00 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Mon, Apr 23, 2018 at 02:38:47PM +0200, Peter Zijlstra wrote:
>> @@ -834,8 +857,12 @@ static int clocksource_unbind(struct clocksource *cs)
>> if (curr_clocksource == cs)
>> return -EBUSY;
>> }
>> +
>> + clocksource_watchdog_lock(&flags);
>> clocksource_dequeue_watchdog(cs);
>> list_del_init(&cs->list);
>> + clocksource_watchdog_lock(&flags);
>
> It works a lot better when this is _unlock();
>
>> +
>> return 0;
>> }
>>
>
> With that, and intel_idle.c modified to always issue the "halts in
> idle" thing, my IVB comes up in hpet mode. Let me dig up a Core2 era
> machine and see if that works too.

OK, thanks.

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