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Please execute the following command only once, as it will automatically
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apport-collect 1958089

When reporting bugs in the future please use apport by using 'ubuntu-
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(If your system contains 3rd party packages (eg. Linux Mint), this will likely 
need to be confirmed by a pure Ubuntu system before it's worked on.  Linux Mint 
use runtime adjustments, plus 3rd party packages which make it a different 
system.  Have you filed a bug with Linux Mint?)

** Package changed: ubuntu => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1958089

Title:
  Acer laptop screen goes black after a few hours of work

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I recently switched from LM Cinnamon build to LM MATE build.
  Everything went fine at first, but now I experience issues where my
  screen goes black showing only the underscore flashing.

  Results:

  ubuntu-bug linux results:

  *** Collecting problem information

  The collected information can be sent to the developers to improve the
  application. This might take a few minutes.
  ...................

  *** Problem in linux-image-5.4.0-94-generic

  The problem cannot be reported:

  This is not an official Linux package. Please remove any third party
  package and try again.

  
  cat /proc/version_signature > version.log results: 
  Ubuntu 5.4.0-94.106-generic 5.4.157

  sudo lspci -vnvn > lspci-vnvn.log results:
  pcilib: sysfs_read_vpd: read failed: Input/output error
  pcilib: sysfs_read_vpd: read failed: Input/output error

  lsb_release -rd results:
  Description:  Linux Mint 20.2
  Release:      20.2

  
  While browsing through 'System Log Viewer' tool on the system, I noticed a 
few lines saying things like 'kernel bug' or 'firmware bug'. After no luck on 
the forums, I was told that I should put this up here.

  Inxi -Fzn result: https://pastebin.com/raw/W3DUxUzu
  Xorg log (from System Log Viewer): https://pastebin.com/raw/ePCk2DaL
  kern.log (from System Log Viewer): https://pastebin.com/raw/ju233mxe
  syslog from System Log Viewer tool will be attached.

  I hope that any of this will be enough to identify the issue.

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