Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> Quoting Mika Kuoppala (2018-12-03 12:09:39)
>> Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
>>
>> > If all else fails and we are stuck eternally waiting for the undying
>> > request, abandon all hope.
>> >
>> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
>> > ---
>> > drivers/gpu/drm/i915/selftests/intel_hangcheck.c | 12 +++++++++---
>> > 1 file changed, 9 insertions(+), 3 deletions(-)
>> >
>> > diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
>> > index defe671130ab..a48fbe2557ea 100644
>> > --- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
>> > +++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
>> > @@ -308,6 +308,7 @@ static int igt_hang_sanitycheck(void *arg)
>> > goto unlock;
>> >
>> > for_each_engine(engine, i915, id) {
>> > + struct igt_wedge_me w;
>> > long timeout;
>> >
>> > if (!intel_engine_can_store_dword(engine))
>> > @@ -328,9 +329,14 @@ static int igt_hang_sanitycheck(void *arg)
>> >
>> > i915_request_add(rq);
>> >
>> > - timeout = i915_request_wait(rq,
>> > - I915_WAIT_LOCKED,
>> > - MAX_SCHEDULE_TIMEOUT);
>> > + timeout = 0;
>> > + igt_wedge_on_timeout(&w, i915, HZ / 10 /* 100ms timeout*/)
>>
>> 100ms? We are emitting a hanging batch here, so there is something
>> I am missing here.
>
> It's not a hanging batch, anymore due to the terminator applied a couple
> of lines above.
There it is. I did read the code, I did have coffee. It is Monday.
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> -Chris
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