Bug#1039922: mesa breaks gtk4 autopkgtest: panel surface gone

[Paul Gevers]

Source: mesa, gtk4
Control: found -1 mesa/23.1.2-1
Control: found -1 gtk4/4.8.3+ds-2
Severity: serious
Tags: sid bookworm
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainer(s),

With a recent upload of mesa the autopkgtest of gtk4 fails in testing 
when that autopkgtest is run with the binary packages of mesa from 
unstable. It passes when run with only packages from testing. In tabular 
form:

                        pass            fail
mesa                   from testing    23.1.2-1
gtk4                   from testing    4.8.3+ds-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of mesa to testing 
[1]. Due to the nature of this issue, I filed this bug report against 
both packages. Can you please investigate the situation and reassign the 
bug to the right package?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=mesa

https://ci.debian.net/data/autopkgtest/testing/amd64/g/gtk4/34938030/log.gz

227s Waiting for socket...
227s Date: 2023-06-29 UTC
227s [02:18:03.553] weston 10.0.1
227s                https://wayland.freedesktop.org
227s                Bug reports to: 
https://gitlab.freedesktop.org/wayland/weston/issues/
227s                Build: 10.0.1
227s [02:18:03.553] Command line: weston --backend=headless-backend.so 
--socket=wayland-152 --idle-time=0
227s [02:18:03.553] OS: Linux, 6.1.0-9-amd64, #1 SMP PREEMPT_DYNAMIC 
Debian 6.1.27-1 (2023-05-08), x86_64
227s [02:18:03.553] Flight recorder: enabled
227s [02:18:03.553] Starting with no config file.
227s [02:18:03.553] Output repaint window is 7 ms maximum.
227s [02:18:03.553] Loading module 
'/usr/lib/x86_64-linux-gnu/libweston-10/headless-backend.so'
227s [02:18:03.553] Registered plugin API 
'weston_windowed_output_api_v1' of size 16
227s [02:18:03.553] Color manager: no-op
227s [02:18:03.553] Output 'headless' using color profile: built-in 
default sRGB SDR profile
227s [02:18:03.553] Output 'headless' enabled with head(s) headless
227s [02:18:03.553] Compositor capabilities:
227s                arbitrary surface rotation: no
227s                screen capture uses y-flip: no
227s                cursor planes: no
227s                arbitrary resolutions: no
227s                view mask clipping: no
227s                explicit sync: no
227s                color operations: no
227s                presentation clock: CLOCK_MONOTONIC_RAW, id 4
227s                presentation clock resolution: 0.000000001 s
227s [02:18:03.553] Loading module 
'/usr/lib/x86_64-linux-gnu/weston/desktop-shell.so'
227s [02:18:03.553] launching '/usr/lib/x86_64-linux-gnu/weston-keyboard'
227s [02:18:03.554] Note: support for the deprecated wl_shell interface 
is disabled. If a legacy client still needs it, it can be re-enabled by 
passing -Ddeprecated-wl-shell=true to Meson when building Weston.
227s [02:18:03.554] launching 
'/usr/lib/x86_64-linux-gnu/weston-desktop-shell'
228s libEGL warning: failed to get driver name for fd 0
228s 228s libEGL warning: MESA-LOADER: failed to retrieve device information
228s 228s libEGL warning: failed to get driver name for fd 0
228s 230s [02:18:06.642] caught signal 15
230s [02:18:06.642] panel surface gone
230s [02:18:06.642] background surface gone
230s autopkgtest [02:18:06]: test python3-gi-wayland

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