Bug#1081439: gnome-settings-daemon: test failure on ppc64el: timeout and segfault in BrightnessStep test

[Simon McVittie]

Source: gnome-settings-daemon
Version: 47~rc-1
Severity: serious
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)

ppc64el has a test failure not seen on any other release architectures:

https://buildd.debian.org/status/fetch.php?pkg=gnome-settings-daemon&arch=ppc64el&ver=47%7Erc-1&stamp=1726061858&raw=0

> =================================== 10/10 ====================================
> test:         test-power BrightnessStep
> start time:   13:35:11
> duration:     120.03s
> result:       killed by signal 11 SIGSEGV
> command:      MESON_TEST_ITERATION=1 MALLOC_PERTURB_=101 LD_PRELOAD=libumockdev-preload.so.0 HAVE_SYSFS_BACKLIGHT=1 BUILDDIR='/<<PKGBUILDDIR>>/obj-powerpc64le-linux-gnu/plugins/power' ASAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1 NO_AT_BRIDGE=1 UBSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 TOP_BUILDDIR='/<<PKGBUILDDIR>>/obj-powerpc64le-linux-gnu' MSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 '/<<PKGBUILDDIR>>/plugins/power/test.py' PowerPluginTestBrightnessStep
> ----------------------------------- stdout -----------------------------------
> (process:1137353): GLib-GIO-DEBUG: 13:35:11.678: _g_io_module_get_default: Found default implementation dconf (DConfSettingsBackend) for ‘gsettings-backend’
> (process:1137353): dconf-DEBUG: 13:35:11.678: watch_fast: "/org/gnome/desktop/session/" (establishing: 0, active: 0)
> test_brightness_compression (__main__.PowerPluginTestBrightnessStep.test_brightness_compression)
> ----------------------------------- stderr -----------------------------------
> /<<PKGBUILDDIR>>/plugins/power/test.py:842: SyntaxWarning: invalid escape sequence '\('
>   self.p_notify_log.check_line_re(b'[0-9.]+ Notify "Power" .* ".*" ".*Wireless mouse .*low.* power.*\([0-9.]+%\).*"', timeout=0.5)
> /<<PKGBUILDDIR>>/plugins/power/test.py:872: SyntaxWarning: invalid escape sequence '\('
>   self.p_notify_log.check_line_re(b'[0-9.]+ Notify "Power" .* ".*" ".*Wireless mouse .*low.* power.*\([0-9.]+%\).*"', timeout=0.5)
> /<<PKGBUILDDIR>>/plugins/power/test.py:924: SyntaxWarning: invalid escape sequence '\('
>   self.p_notify_log.check_line_re(b'[0-9.]+ Notify "Power" .* ".*" ".*Wireless mouse .*very low.* power.*\([0-9.]+%\).*"', timeout=0.5)
> /<<PKGBUILDDIR>>/plugins/power/test.py:975: SyntaxWarning: invalid escape sequence '\('
>   self.assertNotRegex(l, b'[0-9.]+ Notify "Power" .* ".*" ".*\([0-9.]+%\).*"')
> dbus-daemon[1137357]: [session uid=2952 pid=1137357] Reloaded configuration
> dbus-daemon[1137357]: [session uid=2952 pid=1137357] Connection :1.5 (uid=2952 pid=1137360 comm="dbus-monitor --monitor") became a monitor.
> ==============================================================================

(Probably intermittent, and probably not actually architecture-specific.)

    smcv