** Description changed:

- When opening a SketchUp model (example) in Firefox or Chromium, after ~5
- seconds, the SketchUp logo freezes for ~4 seconds, and we see a blank
- page. The logs show the GPU hang and browser rendering context failed to
- initialise.
+ When opening a SketchUp model (example:
+ 
https://app.sketchup.com/share/tc/europe/9jWfPS5lgN8?stoken=KYi8KrAR6g3gv6OqLAKNEEMrQHLOA7jd8oV20HmBbHrZqyPRPmG1QlPurYkJnuw_)
+ in Firefox or Chromium, after ~5 seconds, the SketchUp logo freezes for
+ ~4 seconds, and we see a blank page. The logs show the GPU hang and
+ browser rendering context failed to initialise.
  
  This has 100% reproducibility on my 12-gen GPU.
  
  On this system with Ubuntu 23.04, I have always seen a GPU hang with the 
stock Ubuntu kernel or mainline.
  Log files as attachment
  
  - the output of 'dmesg' is at https://quora.org/OJnlVgn4xZ/dmesg.txt
  - the output of 'dmesg' with kernel boot args 'drm.debug=0x1e 
log_buf_len=16M' is at https://quora.org/OJnlVgn4xZ/dmesg-debug.txt
  - the output of /sys/class/drm/card0/error is at 
https://quora.org/OJnlVgn4xZ/i915-error.txt
  
  Since I was able to cause failure uncontained to the rendering process
  when performing this 5-8 times, there is an argument that this is a
  security (DoS) issue, though I'll let someone else make a judgement.

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https://bugs.launchpad.net/bugs/2035360

Title:
  GPU hangs in SketchUp on Intel gen12 due to outdated MESA library

Status in Mesa:
  Unknown
Status in chromium-browser package in Ubuntu:
  New
Status in firefox package in Ubuntu:
  New

Bug description:
  When opening a SketchUp model (example:
  
https://app.sketchup.com/share/tc/europe/9jWfPS5lgN8?stoken=KYi8KrAR6g3gv6OqLAKNEEMrQHLOA7jd8oV20HmBbHrZqyPRPmG1QlPurYkJnuw_)
  in Firefox or Chromium, after ~5 seconds, the SketchUp logo freezes
  for ~4 seconds, and we see a blank page. The logs show the GPU hang
  and browser rendering context failed to initialise.

  This has 100% reproducibility on my 12-gen GPU.

  On this system with Ubuntu 23.04, I have always seen a GPU hang with the 
stock Ubuntu kernel or mainline.
  Log files as attachment

  - the output of 'dmesg' is at https://quora.org/OJnlVgn4xZ/dmesg.txt
  - the output of 'dmesg' with kernel boot args 'drm.debug=0x1e 
log_buf_len=16M' is at https://quora.org/OJnlVgn4xZ/dmesg-debug.txt
  - the output of /sys/class/drm/card0/error is at 
https://quora.org/OJnlVgn4xZ/i915-error.txt

  Since I was able to cause failure uncontained to the rendering process
  when performing this 5-8 times, there is an argument that this is a
  security (DoS) issue, though I'll let someone else make a judgement.

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https://bugs.launchpad.net/mesa/+bug/2035360/+subscriptions


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