This bug was fixed in the package systemd - 239-7ubuntu7
---------------
systemd (239-7ubuntu7) cosmic; urgency=medium
* boot-and-services: skip gdm test, when gdm-x-session fails.
Across all architectures, gdm fails to come up reliably since cosmic.
(LP: #1790478)
-- Dimitri John Ledkov <x...@ubuntu.com> Mon, 03 Sep 2018 16:33:00
+0100
** Changed in: systemd (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1790478
Title:
gdm3 in cosmic fails to start fully in autopkgtest
Status in gdm3 package in Ubuntu:
New
Status in systemd package in Ubuntu:
Fix Released
Bug description:
In systemd package for a while, there is a boot-and-services test
case, which tries to install common/typical things and ensure they
continue to operate with new systemd.
One of the test cases is gdm3. The test case dependencies are:
Tests: boot-and-services
Depends: systemd-sysv,
systemd,
udev,
systemd-container,
systemd-coredump,
libpam-systemd,
xserver-xorg-video-dummy,
xserver-xorg,
gdm3 [!s390x],
cron,
network-manager,
busybox-static,
apparmor,
pkg-config,
python3
The test does following:
out = subprocess.check_output(['ps', 'u', '-C', 'gdm-x-session'])
self.assertIn(b'gdm-x-session gnome-session', out)
out = subprocess.check_output(['ps', 'u', '-C', 'Xorg'])
self.assertIn(b'Xorg vt1', out)
self.active_unit('gdm')
However, this now errors out upon the first command, meaning gdm-x-session is
not running anymore.
On bionic, this test case continues to operate correctly in the autopkgtest
cloud.
test_gdm3 (__main__.ServicesTest) ... ERROR
======================================================================
ERROR: test_gdm3 (__main__.ServicesTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/tmp/autopkgtest.RNx2A1/build.2Wy/src/debian/tests/boot-and-services", line
66, in test_gdm3
out = subprocess.check_output(['ps', 'u', '-C', 'gdm-x-session'])
File "/usr/lib/python3.6/subprocess.py", line 336, in check_output
**kwargs).stdout
File "/usr/lib/python3.6/subprocess.py", line 418, in run
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['ps', 'u', '-C', 'gdm-x-session']'
returned non-zero exit status 1.
----------------------------------------------------------------------
Ran 24 tests in 18.974s
FAILED (errors=1)
From http://autopkgtest.ubuntu.com/packages/systemd/cosmic/i386
Thus it looks like there is a regression or a change of behavior of
gdm3 in the cloud in cosmic; since bionic continues to work correctly.
I will mark this test as an expected failure for now, and monitor it
separately, as currently, this is blocking many migrations.
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