FS#65580 - [mesa] Sway crashes with Iris driver on Intel

Attached to Project: Arch Linux
Opened by Alan Orth (stickyboy) - Friday, 21 February 2020, 07:58 GMT
Last edited by Laurent Carlier (lordheavy) - Saturday, 22 February 2020, 16:37 GMT
Task Type Bug Report
Category Packages: Testing
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Description:

The Iris (Gallium3D) driver is now default on Intel in Mesa 20.0. This causes sway to crash. You can work around the problem by forcing the old i965 driver:

$ MESA_LOADER_DRIVER_OVERRIDE=i965 sway

Additional info:
* Package version: mesa 20.0.0-1
* Upstream mesa fix: https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3898

<code>Feb 20 19:55:06 laptop kernel: sway[1126]: segfault at 7f00ba6ca298 ip 00007f00b992a526 sp 00007ffe24f628c0 error 4 cpu 1 in iris_dri.so[7f00b8eaf000+db7000]
</code>

Steps to reproduce:

Launch sway.
This task depends upon

Closed by  Laurent Carlier (lordheavy)
Saturday, 22 February 2020, 16:37 GMT
Reason for closing:  Fixed
Additional comments about closing:  mesa-20.0.0-2
Comment by Kenneth Graunke (Kayden) - Friday, 21 February 2020, 19:41 GMT
Hi! Sorry about this, we missed a patch on a stable merge.

https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3898 will fix this and should land today.

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