Re: 5.7-rc0: hangs while attempting to run X

[Pavel Machek <pavel@ucw.cz>]

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Hi!

> > > Hardware is thinkpad x220. I had this crash few days ago. And today I
> > > have similar-looking one, with slightly newer kernel. (Will post
> > > as a follow-up).
> 
> As part of quest for working system, I tried 5.7-rc0, based on
> 
> Merge: 50a5de895dbe b4d8ddf8356d
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date:   Wed Apr 1 18:18:18 2020 -0700
> 
> It hangs in userspace, at a time when X should be starting, and I'm
> looking at blinking cursor.
> 
> 5.6-rcs worked, I'll test 5.6-final.

5.6-final works.

Hmm...

commit f365ab31efacb70bed1e821f7435626e0b2528a6
Merge: 4646de87d325 59e7a8cc2dcf
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed Apr 1 15:24:20 2020 -0700

    Merge tag 'drm-next-2020-04-01' of git://anongit.freedesktop.org/drm/drm

Let me test 4646de87d32526ee87b46c2e0130413367fb5362...that one works.

Ok, so obviously... I should
test... f365ab31efacb70bed1e821f7435626e0b2528a6

Now, this is anti-social:

Busywait for request completion limit (ns)
(DRM_I915_MAX_REQUEST_BUSYWAIT) [8000] (NEW)

How should I know what to answer here (or the others)

Interval between heartbeat pulses (ms) (DRM_I915_HEARTBEAT_INTERVAL) [2500] 2500
Preempt timeout (ms, jiffy granularity) (DRM_I915_PREEMPT_TIMEOUT) [640] 640

I just took the defaults.. but... 

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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