Bug#792778: nouveau: screen sometimes remains blank after "xset dpms force off"

From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#792778: nouveau: screen sometimes remains blank after "xset dpms force off"
Date	2021-05-08 21:40 +0200
Message-ID	<CcAXU-2TM-23@gated-at.bofh.it> (permalink)
References	(1 earlier) <yBtIC-5pR-21@gated-at.bofh.it> <pNzSG-4xF-19@gated-at.bofh.it> <yCKem-8bW-9@gated-at.bofh.it> <pNzSG-4xF-19@gated-at.bofh.it> <yCKem-8bW-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Control: tags -1 + moreinfo

Hi Vincent,

Sorry for continiously pestering you on older bugreports ;-)

On Wed, Sep 04, 2019 at 10:26:07PM +0200, Vincent Lefevre wrote:
> Control: reopen -1
> Control: found -1 5.2.9-2
> 
> On 2019-09-01 10:41:15 +0200, Vincent Lefevre wrote:
> > On 2015-07-18 14:52:03 +0200, Vincent Lefevre wrote:
> > > After I blank the screen of my laptop with "xset dpms force off", it
> > > is usually unblanked as expected when I type a key or move the mouse,
> > > but not always. When this occurs, the screen is no longer off, in the
> > > sense I can see some light on it, but nothing is displayed.
> > 
> > This is old, and with a few tests on the same machine after using
> > again nouveau since last night, I could not reproduce the problem
> > with a 5.2.0-2-amd64 kernel. Closing.
> 
> I could reproduce it again. Exactly the same issue.

So this was more recent. I guess still present as well on a recent
kernel? Did you got a chance to report it upstream and got some
feedback?

Regards,
Salvatore

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Bug#792778: nouveau: screen sometimes remains blank after "xset dpms force off" Salvatore Bonaccorso <carnil@debian.org> - 2021-05-08 21:40 +0200
  Processed: Re: Bug#792778: nouveau: screen sometimes remains  blank after "xset dpms force off" "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-05-08 21:40 +0200
  Bug#792778: nouveau: screen sometimes remains blank after "xset dpms force off" Vincent Lefevre <vincent@vinc17.net> - 2021-05-09 08:00 +0200
    Bug#792778: nouveau: screen sometimes remains blank after "xset dpms force off" Salvatore Bonaccorso <carnil@debian.org> - 2021-05-09 08:50 +0200

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