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Re: Blank screen bug

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On Sat 23 Sep 2017 at 12:01:31 (+0200), Tim wrote:
> Hi,
> 
> I would like to report a bug for Debian stretch, however, I'm not sure
> which package I should file the bug against. Moreover, I haven't found
> a way to debug the issue either.
> 
> I've recently done a fresh installed of stretch on an HP EliteBook 840
> notebook. Since then, the laptop's screen sometimes turns blank, i.e.,
> as if there is no input to the screen. Strangely enough, whenever I
> attach another display, the other display doesn't go blank: It's only
> the internal display of the laptop itself that turns completely black.

Does the screen turn blank after a random time, or at the time of
an event (like starting X, or starting an application, or some
heavy processing etc). After a minute or half an hour?
Is the screen really black or just very dark?
What happens if you select a VC, or exit X? … … …

> I've tried to debug the issue by looking a various log files (e.g.,
> ~/.local/share/xorg/Xorg.0.log, /var/log/kern.log, running
> `journalctl`), but nothing would show up in these logs whenever it
> occurs. I also tried to install `firmware-linux-nonfree` but that
> didn't help either. Before, I was using jessy without the bug.
> 
> I hope you can tell me which package I should file the bug to, or how
> to proceed from here.

Cheers,
David.

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Thread

Blank screen bug Tim <debian-bugreport@quuck.eu> - 2017-09-23 12:30 +0200
  Re: Blank screen bug Richard Owlett <rowlett@cloud85.net> - 2017-09-23 13:00 +0200
  Re: Blank screen bug Roberto C. Sánchez <roberto@debian.org> - 2017-09-23 14:50 +0200
    Re: Blank screen bug Cindy-Sue Causey <butterflybytes@gmail.com> - 2017-09-23 17:00 +0200
      Re: Blank screen bug Gene Heskett <gheskett@shentel.net> - 2017-09-23 17:10 +0200
      Re: Blank screen bug David Wright <deblis@lionunicorn.co.uk> - 2017-09-24 04:00 +0200
    Re: Blank screen bug Tim <debian-bugreport@quuck.eu> - 2017-10-13 00:50 +0200
    Re: Blank screen bug Nicholas Geovanis <nickgeovanis@gmail.com> - 2017-10-13 01:10 +0200
  Re: Blank screen bug David Wright <deblis@lionunicorn.co.uk> - 2017-09-24 03:30 +0200
    Re: Blank screen bug Tim <debian-bugreport@quuck.eu> - 2017-10-08 12:10 +0200
      Re: Blank screen bug Jimmy Johnson <field.engineer@gmail.com> - 2017-10-08 13:10 +0200
      Re: Blank screen bug anxiousmac@gmail.com - 2017-10-08 14:10 +0200
      Re: Blank screen bug David Wright <deblis@lionunicorn.co.uk> - 2017-10-13 00:10 +0200
  Re: Blank screen bug Jimmy Johnson <field.engineer@gmail.com> - 2017-09-24 07:20 +0200

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