FS#65025 - linux >5.4.6.arch1-1 causes display flickering on xps 13 7390 2-in-1

Attached to Project: Arch Linux
Opened by Craig Cabrey (cabrey) - Friday, 03 January 2020, 02:11 GMT
Last edited by freswa (frederik) - Thursday, 20 February 2020, 22:09 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
See thread here: https://bbs.archlinux.org/viewtopic.php?id=251747

Additional info:
* package version(s)
* config and/or log files etc.
* link to upstream bug report, if any

Steps to reproduce:
Boot system, login, open gnome-terminal, press <tab>. Display will immediately reconfigure.
This task depends upon

Closed by  freswa (frederik)
Thursday, 20 February 2020, 22:09 GMT
Reason for closing:  Upstream
Additional comments about closing:  https://gitlab.freedesktop.org/drm/intel /issues/913
Comment by Craig Cabrey (cabrey) - Friday, 03 January 2020, 05:21 GMT
I can confirm that the issue was introduced with v5.4.6-arch2. Am bisecting between 5cedf4aa8f59ed7c8fa1cf129731fbe86205cbea and 74641e1ede93144485509cb7c2c682602107ec6b
Comment by Craig Cabrey (cabrey) - Friday, 03 January 2020, 06:51 GMT
[craigcabrey@enterprise linux]$ git bisect bad
The merge base 9888be9033e8e79a055df2ae8d388baf5970f83b is bad.
This means the bug has been fixed between 9888be9033e8e79a055df2ae8d388baf5970f83b and [a87e35f92a585e75e917169eac6c8f2cd56e2837].
Comment by Edoardo Signorini (edoars) - Friday, 03 January 2020, 13:08 GMT
The bad commit is 975d5a884b3c80155808c2ac39e6bb6d51450dea. I'm using 5.4.7-arch1 with the commit reverted and I'm not able to reproduce the bug anymore.
Comment by Craig Cabrey (cabrey) - Friday, 03 January 2020, 17:53 GMT
Filed upstream bug report here: https://bugzilla.kernel.org/show_bug.cgi?id=206065
Comment by loqs (loqs) - Friday, 03 January 2020, 20:48 GMT
For i915 bugs please see https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
Comment by Edoardo Signorini (edoars) - Sunday, 05 January 2020, 19:08 GMT
An i915 bug report is already filed at https://gitlab.freedesktop.org/drm/intel/issues/913

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