[Intel-gfx] [PATCH] e1000e: Taint a HW lockup

[Jeff Kirsher]

On Wed, 2017-12-06 at 10:47 +0100, Daniel Vetter wrote:
> On Tue, Dec 5, 2017 at 7:05 PM, Chris Wilson <chris at chris-wilson.co.u
> k> wrote:
> > Quoting Chris Wilson (2017-12-05 18:00:00)
> > > When we see an e1000e HW lockup in CI, it is typically fatal with
> > > the
> > > hang repeating until the host is forcibly rebooted. Speed up that
> > > process by tainting the kernel, which CI can trivially detect
> > > (and is
> > > being used to detect similarly fatal CI conditions) and reboot
> > > soon
> > > after.
> > > 
> > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > > Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> > > Cc: Tomi Sarvela <tomi.p.sarvela at intel.com>
> > 
> > I'm not concerned on selling this to e1000e, but if it helps
> > improving
> > CI robustness, then topic/core-for-CI. Or maybe we should create a
> > new
> > topic, Daniel? topic/taints-for-CI?
> 
> Sounds like a usable idea for CI. Would be especially interesting
> because despite applying the suggested w/a, we still hit lockups.
> Before we do that though I think we should get an ack from the e1000e
> team. Jani S. maybe something you can driver?
> 
> Adding more folks to cc.
> -Daniel

Please send any e1000e patches to the intel-wired-lan mailing list and
make sure to CC Sasha Neftin <sasha.neftin at intel.com>, since he is the
e1000e driver maintainer.
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