[Bug 67813] [HSW bisected]igt/module_reload causes [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 44004 and system hang with headless, with power well disabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67813

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|przanoni at gmail.com          |chris at chris-wilson.co.uk

--- Comment #55 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #54)
> Created attachment 99372 [details]
> dmesg
> 
> (In reply to comment #53)
> > For reference Chris' patch:
> > 
> > http://patchwork.freedesktop.org/patch/16792/
> > 
> > Please test this patch.
> 
> Test this patch, the hang goes away.
> It causes call trace.

This is bug 77511. We really need a script to traige backtraces to avoid such
confusions.

Chris, can you please add the select DUMMY_CONSOLE to your patch, add a commit
message and re-submit it please?

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