[Libreoffice-bugs] [Bug 137302] New: soffice.bin CPU utilization excessive

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137302

            Bug ID: 137302
           Summary: soffice.bin CPU utilization excessive
           Product: LibreOffice
           Version: 7.0.1.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mr.david.mitchell at gmail.com

Description:
Installing LO V7 has driven CPU utilization to an unusable level. The problem
occurs with Linux 7.0.1.2 



Steps to Reproduce:
1. Installed 7.0.1.2 via Deb's (sudo dpkg -i lib*)
2. Start Base or Writer or Calc or Math

Problem does NOT occur in Impress
Problem does NOT occur in Draw


Actual Results:
CPU utilization goes over 95% if it's sits untouched.  

Expected Results:
CPU should not make the product unusable. It gets to the point where one is
unable to type a document or work on a spreadsheet.


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
Intel(R) Pentium(R) CPU G4400 @ 3.30GHz
32GB RAM

Linux Mint 18.3 Cinnamon 64-bit

Version: 7.0.1.2
Build ID: 7cbcfc562f6eb6708b5ff7d7397325de9e764452
CPU threads: 2; OS: Linux 4.15; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: threaded

Video of the problem occuring: https://youtu.be/dgTLhkBh0dQ

Screen recorder is chewing up CPU creating the video, but when LO is running by
itself CPU will eventually get to 99 to 100% in 10 to 15 minutes, and it
becomes unusable.  It gets to the point in Calc that after entering a number
and hitting enter, one has to wait 10 to 15 seconds before they can enter
another number. 

Restarted in safe mode - no change 
Restored default settings from safe mode - no change
disabled java - restarted LO - no change
disabled hardware acceleration - restarted LO - no change
disabled anti-aliasing - restarted LO - no change

# glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 510 (Skylake GT1) 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 18.0.5
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 18.0.5
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:

openjdk version "1.8.0_265"
OpenJDK Runtime Environment (build 1.8.0_265-8u265-b01-0ubuntu2~16.04-b01)
OpenJDK 64-Bit Server VM (build 25.265-b01, mixed mode

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