** Description changed:

  [ Impact ]
  
  When resizing the terminal window, intel_gpu_top may crash if the window
  becomes small enough. The output when it crashes is:
  
  intel_gpu_top: ../tools/intel_gpu_top.c:1202: print_percentage_bar: Assertion
  `max_len > 0' failed.
  
  The fix has been reported and fixed upstream recently :
  https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/issues/143
  
  The fix has been part of a serie of fixes that improve intel_gpu_top UI
  behavior for some corner cases :
  https://patchwork.freedesktop.org/series/124890/
  
  The proposed fix consists of backporting these fixes to affected Ubuntu
  releases (Jammy, Mantic and Noble)
  
  Tvrtko Ursulin (4):
-   tools/intel_gpu_top: Fix clients header width when no clients
-   tools/intel_gpu_top: Fix client layout on first sample period
-   tools/intel_gpu_top: Optimise interactive display a bit
-   tools/intel_gpu_top: Handle narrow terminals more gracefully
+   tools/intel_gpu_top: Fix clients header width when no clients
+   tools/intel_gpu_top: Fix client layout on first sample period
+   tools/intel_gpu_top: Optimise interactive display a bit
+   tools/intel_gpu_top: Handle narrow terminals more gracefully
+ 
+ NOTES:
+ For Noble, all the 4 patches will be backported
+ For Mantic, Jammy, only "tools/intel_gpu_top: Handle narrow terminals more 
gracefully" will be backported because the others are not applicable to 
Jammy/Mantic (related to refactoring that happened after Mantic release)
  
  [ Test Plan ]
  
  Run intel_gpu_top inside a console
  Resize the console with the mouse to it smallest size
  
  [ Where problems could occur ]
  
  The problem occurs when intel_gpu_top try to draw information on the
  console
  
  [ Other Info ]
  
  This fix should not cause regression on any other feature.
  
  ----
  
  When resizing the terminal window, intel_gpu_top may crash if the window
  become small enough. The output when it crashes is:
  
  intel_gpu_top: ../tools/intel_gpu_top.c:1202: print_percentage_bar: Assertion 
`max_len > 0' failed.
  Abortado
  
  I was able to reproduce this crash with tilix and xterm.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: intel-gpu-tools 1.26-2
  ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
  Uname: Linux 5.13.0-19-generic x86_64
  ApportVersion: 2.20.11-0ubuntu72
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: XFCE
  Date: Sun Oct 31 21:06:01 2021
  InstallationDate: Installed on 2017-06-13 (1601 days ago)
  InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  SourcePackage: intel-gpu-tools
  UpgradeStatus: Upgraded to jammy on 2019-12-22 (679 days ago)
  modified.conffile..etc.cron.daily.apport: [deleted]

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to intel-gpu-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1949314

Title:
  intel_gpu_top crashes with intel_gpu_top:
  ../tools/intel_gpu_top.c:1202: print_percentage_bar: Assertion
  `max_len > 0' failed.

Status in intel-gpu-tools package in Ubuntu:
  Fix Released
Status in intel-gpu-tools source package in Jammy:
  In Progress
Status in intel-gpu-tools source package in Mantic:
  In Progress
Status in intel-gpu-tools source package in Noble:
  Fix Released

Bug description:
  [ Impact ]

  When resizing the terminal window, intel_gpu_top may crash if the window
  becomes small enough. The output when it crashes is:

  intel_gpu_top: ../tools/intel_gpu_top.c:1202: print_percentage_bar: Assertion
  `max_len > 0' failed.

  The fix has been reported and fixed upstream recently :
  https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/issues/143

  The fix has been part of a serie of fixes that improve intel_gpu_top
  UI behavior for some corner cases :
  https://patchwork.freedesktop.org/series/124890/

  The proposed fix consists of backporting these fixes to affected
  Ubuntu releases (Jammy, Mantic and Noble)

  Tvrtko Ursulin (4):
    tools/intel_gpu_top: Fix clients header width when no clients
    tools/intel_gpu_top: Fix client layout on first sample period
    tools/intel_gpu_top: Optimise interactive display a bit
    tools/intel_gpu_top: Handle narrow terminals more gracefully

  NOTES:
  For Noble, all the 4 patches will be backported
  For Mantic, Jammy, only "tools/intel_gpu_top: Handle narrow terminals more 
gracefully" will be backported because the others are not applicable to 
Jammy/Mantic (related to refactoring that happened after Mantic release)

  [ Test Plan ]

  Run intel_gpu_top inside a console
  Resize the console with the mouse to it smallest size

  [ Where problems could occur ]

  The problem occurs when intel_gpu_top try to draw information on the
  console

  [ Other Info ]

  This fix should not cause regression on any other feature.

  ----

  When resizing the terminal window, intel_gpu_top may crash if the
  window become small enough. The output when it crashes is:

  intel_gpu_top: ../tools/intel_gpu_top.c:1202: print_percentage_bar: Assertion 
`max_len > 0' failed.
  Abortado

  I was able to reproduce this crash with tilix and xterm.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: intel-gpu-tools 1.26-2
  ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
  Uname: Linux 5.13.0-19-generic x86_64
  ApportVersion: 2.20.11-0ubuntu72
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: XFCE
  Date: Sun Oct 31 21:06:01 2021
  InstallationDate: Installed on 2017-06-13 (1601 days ago)
  InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  SourcePackage: intel-gpu-tools
  UpgradeStatus: Upgraded to jammy on 2019-12-22 (679 days ago)
  modified.conffile..etc.cron.daily.apport: [deleted]

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