[Bug 98040] [BAT][BYT] kms_pipe_crc_basic at suspend-read-crc-pipe-a *ERROR* dp_aux_ch not done status 0x00050000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98040

--- Comment #14 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Lyude Paul from comment #11)
> So for whatever reason I'm having no luck with getting this bug to show
> itself even once on this machine. I'm probably going to look over the code a
> few times and see if I can guess what fixes it by sending a couple of
> patches to the trybot, but it would be a lot easier if I could actually see
> it here…
> 
> So, I have one theory as to why I'm not seeing this with my NUC: the
> machines I've seen logs from on this bug report have multiple cores, while
> mine only has a single core. I'm thinking it's possible not having multiple
> cores here means there's almost no chance of the hotplug polling running at
> the same time as any of the other resume tasks in the kernel. I'm trying to
> get my hands on another NUC with more then one processor, but for the time
> being would one of you be able to run this test with "maxcpus=1" added to
> the kernel cmdline and see if the problem still happens?

You could always try whacking a big msleep() somewhere appropriate.

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