constant video freezes in firefox with x-x-v-amdgpu 18.1.0

Bug #1815125 reported by Timo Aaltonen on 2019-02-07
This bug affects 2 people
Affects Status Importance Assigned to Milestone
libx11 (Ubuntu)

Bug Description


There are constant video freezes in firefox (e.g. on youtube) with xf86-video-amdgpu-18.1.0, which is included in the HWE stack in 18.04.2

[Test case]

test firefox with youtube on radeon

[Regression potential]

it's a single commit from upstream 1.6.7, shouldn't regress anything

Timo Aaltonen (tjaalton) on 2019-02-07
Changed in libx11 (Ubuntu):
status: New → Fix Released
summary: - periodic video freezes in firefox with x-x-v-amdgpu 18.1.0
+ constant video freezes in firefox with x-x-v-amdgpu 18.1.0

Hello Timo, or anyone else affected,

Accepted libx11 into bionic-proposed. The package will build now and be available at in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-bionic to verification-done-bionic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-bionic. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Changed in libx11 (Ubuntu Bionic):
status: New → Fix Committed
tags: added: verification-needed verification-needed-bionic
Ernst Sjöstrand (ernstp) wrote :

Oh that was it, great to see it fixed!!

Timo Aaltonen (tjaalton) wrote :

it's not fixed yet, needs to be verified

Timo Aaltonen (tjaalton) wrote :

I've tested it on a 'vega 8 mobile' laptop with glxgears. Without the fix the session would freeze periodically, after installing the update and restarting gnome-shell things work fine.

tags: added: verification-done verification-done-bionic
removed: verification-needed verification-needed-bionic
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package libx11 - 2:1.6.4-3ubuntu0.2

libx11 (2:1.6.4-3ubuntu0.2) bionic; urgency=medium

  * call-poll-for-event-again.diff: Fix constant video freezes on
    firefox with amdgpu. (LP: #1815125)

 -- Timo Aaltonen <email address hidden> Thu, 07 Feb 2019 22:04:25 +0200

Changed in libx11 (Ubuntu Bionic):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for libx11 has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

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