Crash on Start when using "TearFree" intel driver - Ubuntu 20.04 #79695

Closed
opened 2020-08-11 00:10:07 +02:00 by Christopher Crawford · 8 comments

Operating system: Ubuntu 20.04
Graphics card: Integrated Intel® UHD Graphics 620

Broken: 2.83.4
Worked: Tried up to 2.91a

Blender immediately crashes, no window appears. Stack traces from 2.83 and from 2.91 attached.

I can avoid the crash by disabling the TearFree option in my intel driver, ie removing this file (added to activate system-wide v-sync).

/etc/X11/xorg.conf.d/20-intel.conf

Section "Device"
        Identifier "Intel Graphics"
        Driver "intel"
        Option "TearFree" "true"
EndSection

blender.crash.txt
blender.2.83.crash.txt

Operating system: Ubuntu 20.04 Graphics card: Integrated Intel® UHD Graphics 620 Broken: 2.83.4 Worked: Tried up to 2.91a Blender immediately crashes, no window appears. Stack traces from 2.83 and from 2.91 attached. I can avoid the crash by disabling the TearFree option in my intel driver, ie removing this file (added to activate system-wide v-sync). /etc/X11/xorg.conf.d/20-intel.conf ``` Section "Device" Identifier "Intel Graphics" Driver "intel" Option "TearFree" "true" EndSection ``` [blender.crash.txt](https://archive.blender.org/developer/F8767353/blender.crash.txt) [blender.2.83.crash.txt](https://archive.blender.org/developer/F8767356/blender.2.83.crash.txt)

Added subscriber: @chriscraws

Added subscriber: @chriscraws

I should clarify - this did not work on 2.91.

I should clarify - this did *not* work on 2.91.

Added subscriber: @mano-wii

Added subscriber: @mano-wii

Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'

Thanks for the report. This seems like a graphic driver issue. Please double-check if the drivers are up to date.
And preferably use Help -> Report a Bug in Blender so there is complete information about the Blender version and graphics cards.

To upgrade to the latest driver, see here for more information: https://docs.blender.org/manual/en/dev/troubleshooting/gpu/index.html

Thanks for the report. This seems like a graphic driver issue. Please double-check if the drivers are up to date. And preferably use `Help -> Report a Bug` in Blender so there is complete information about the Blender version and graphics cards. To upgrade to the latest driver, see here for more information: https://docs.blender.org/manual/en/dev/troubleshooting/gpu/index.html

Hi, thanks, my drivers are up to date, the best I can tell - I have installed all available updates.

Updated information from blender:

System Information
Operating system: Linux-5.4.0-42-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: Mesa Intel(R) UHD Graphics 620 (KBL GT2) Intel 4.6 (Core Profile) Mesa 20.0.8

Hi, thanks, my drivers are up to date, the best I can tell - I have installed all available updates. Updated information from blender: **System Information** Operating system: Linux-5.4.0-42-generic-x86_64-with-debian-bullseye-sid 64 Bits Graphics card: Mesa Intel(R) UHD Graphics 620 (KBL GT2) Intel 4.6 (Core Profile) Mesa 20.0.8

Changed status from 'Needs User Info' to: 'Resolved'

Changed status from 'Needs User Info' to: 'Resolved'
Christopher Crawford self-assigned this 2020-08-13 22:43:52 +02:00

I found a solution to this issue - Germano was right, this is a driver/Ubuntu issue of the wrong driver being used be default for older intel iGPU in the latest version of Ubuntu.

https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1876219

For those who have exactly my issue (long shot) adding the following line to your .profile will solve this!
MESA_LOADER_DRIVER_OVERRIDE=i965

I found a solution to this issue - Germano was right, this is a driver/Ubuntu issue of the wrong driver being used be default for older intel iGPU in the latest version of Ubuntu. https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1876219 For those who have exactly my issue (long shot) adding the following line to your .profile will solve this! `MESA_LOADER_DRIVER_OVERRIDE=i965`
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Reference: blender/blender#79695
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