Re: [PATCH 06/18] tests/drv_suspend: mark sysfs tests as basic

[Daniel Vetter <daniel@ffwll.ch>]

On Fri, Aug 14, 2015 at 08:29:40AM -0700, Jesse Barnes wrote:
> On 08/14/2015 05:29 AM, Daniel Vetter wrote:
> > On Thu, Aug 13, 2015 at 01:31:29PM -0700, Jesse Barnes wrote:
> >> debugfs may not be mounted, but sysfs should always be restored after
> >> suspend or hibernate.
> >>
> >> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
> > 
> > We already have a suspend/resume testcase in kms_pipc_crc_basic. Do we
> > have enough budget for this one?
> 
> Yeah I thought about getting rid of the suspend/resume ones in pipe_crc
> (marking them as non-basic), since I really just want the one set of
> tests.  Any preference?

Imo crc is such a basic (hah!) validation tool that we really should try
to run all the corner cases. Otherwise we have ugly situations where some
tests randomyl fail, depending upon when they've been run after system
suspend/resume or not. And with all our troubles we need to reboot a few
times for a full run, so this is likely.

This actually happened (that's why we have these tests) and resulted in
lots and lots of wtf until resolved. So yeah I think for crc we really
want them all, even if it's a bit expensive, since if we don't there's a
good chance for lots of flaky test results. And that's the prime problem
we have with igt.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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