[igt-dev] [PATCH i-g-t] runner: Also consider TAINT_MACHINE_CHECK as abortable taint

[Mika Kuoppala]

Daniel Vetter <daniel at ffwll.ch> writes:

> On Wed, Jun 05, 2019 at 03:16:07PM +0300, Petri Latvala wrote:
>> Signed-off-by: Petri Latvala <petri.latvala at intel.com>
>> Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
>
> I've seen lots of machines where these happen as normal side-effect of
> thermal throtlling. For some value of "normal".
>

Thermals could be ok and filtered if we can be somewhat certain that
the state didn't suffer. Can we?

> Do we really want to reboot on these? It could be like the network thing I
> recently disabled, and then everyone started screaming because our
> machines where constantly rebooting due to network cards/drivers
> temporarily having a bad time (but usually recovering).

Reboot? This won't get fixed by reboot as the hw is busted.

The question is that is it fruitful to weed out software
failures with a broken hardware.

-Mika

> -Daniel
>> ---
>>  runner/executor.c | 1 +
>>  1 file changed, 1 insertion(+)
>> 
>> diff --git a/runner/executor.c b/runner/executor.c
>> index 7e5fbe8f..69ef21e5 100644
>> --- a/runner/executor.c
>> +++ b/runner/executor.c
>> @@ -142,6 +142,7 @@ static const struct {
>>  	unsigned long bit;
>>  	const char *explanation;
>>  } abort_taints[] = {
>> +  {(1 << 4), "TAINT_MACHINE_CHECK: Processor reported a Machine Check Exception."},
>>    {(1 << 5), "TAINT_BAD_PAGE: Bad page reference or an unexpected page flags."},
>>    {(1 << 7), "TAINT_DIE: Kernel has died - BUG/OOPS."},
>>    {(1 << 9), "TAINT_WARN: WARN_ON has happened."},
>> -- 
>> 2.19.1
>> 
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>
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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