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Message #01769
[Bug 1890394] Re: Lightdm-gtk-greeter coredump during boot with recent systemd versions
Hello tested on Focal:
linux 5.4.0-53-generic
systemd 245.4ubuntu3.3
lightdm 1.30.0-0ubuntu3.1
lightdm-gtk-greeter 2.0.6-0ubuntu1
Everything works fine.
-------- Original Message --------
From: "Łukasz Zemczak" <1890394@xxxxxxxxxxxxxxxxxx>
Sent: November 12, 2020 12:02:00 PM UTC
To: kortewegdevries@xxxxxxxxxxx
Subject: [Bug 1890394] Re: Lightdm-gtk-greeter coredump during boot with recent systemd versions
Can anyone tell me if focal is affected by this bug or not? Since I
don't feel comfortable releasing the bionic part without a focal upload
present (if the bug is reproducible there as well).
--
You received this bug notification because you are subscribed to the bug
report.
https://bugs.launchpad.net/bugs/1890394
Title:
Lightdm-gtk-greeter coredump during boot with recent systemd versions
Status in lightdm-gtk-greeter package in Ubuntu:
Fix Released
Status in lightdm-gtk-greeter source package in Bionic:
Fix Committed
Status in lightdm-gtk-greeter source package in Groovy:
Fix Released
Bug description:
* Impact
The lightdm-gtk-greeter often segfaults on VMs
* Test case
- start a xubuntu livesession in a VM and logout
-> you should get a greeter to log in
(or install xubuntu in a VM)
* Regression potential
the mlockall call was supposed to provide improved security but isn't working, it was already commented out some cycles ago in unity-greeter, upstream and it other distributions
------------------
Upstream:https://github.com/Xubuntu/lightdm-gtk-greeter/issues/77
This is one of the many core dumps on `journalctl` for a given boot
(dumps multiple times before starting) :
**See it on upstream bug report**
System Details:
System:
Kernel: 5.8.0-12-generic x86_64 bits: 64 compiler: N/A Desktop:
Xfce 4.14.2
Distro: Ubuntu 20.10 (Groovy Gorilla) (*Proposed)
lightdm 1.30.0-0ubuntu3.1: amd64
lightdm-gtk-greeter 2.0.6-0ubuntu1:amd64
lightdm-gtk-greeter-settings 1.2.2-3
linux-firmware 1.189
------------------------------------------------------
systemd,systemd-coredump,
systemd-sysv 245.7-1ubuntu1
------------------------------------------------------
Current Behaviour:
On boot screen blinks for 2-3 times (probably the segmentation fault)
but eventually starts after 1-2 minutes.
Expected Behaviour:
Greeter would appear properly after boot.
Note: Some other systemd services are also failing on proposed, not
sure if related.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: lightdm-gtk-greeter 2.0.6-0ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-12.13-generic 5.8.0-rc7
Uname: Linux 5.8.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu43
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Wed Aug 5 12:58:44 2020
InstallationDate: Installed on 2020-04-17 (109 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200416)
SourcePackage: lightdm-gtk-greeter
UpgradeStatus: Upgraded to groovy on 2020-08-04 (0 days ago)
modified.conffile..etc.lightdm.lightdm-gtk-greeter.conf:
[greeter]
indicators = ~session;~language;~a11y;~clock;~power
default-user-image = /home/korte/Pictures/profile/profile.jpeg
mtime.conffile..etc.lightdm.lightdm-gtk-greeter.conf: 2020-06-27T09:26:56.022638
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/1890394/+subscriptions
Launchpad-Notification-Type: bug
Launchpad-Bug: distribution=ubuntu; sourcepackage=lightdm-gtk-greeter; component=universe; status=Fix Released; importance=High; assignee=None;
Launchpad-Bug: distribution=ubuntu; distroseries=bionic; sourcepackage=lightdm-gtk-greeter; component=universe; status=Fix Committed; importance=Undecided; assignee=None;
Launchpad-Bug: distribution=ubuntu; distroseries=groovy; sourcepackage=lightdm-gtk-greeter; component=universe; status=Fix Released; importance=Undecided; assignee=None;
Launchpad-Bug-Tags: amd64 apport-bug third-party-packages verification-done-bionic verification-done-groovy
Launchpad-Bug-Information-Type: Public
Launchpad-Bug-Private: no
Launchpad-Bug-Security-Vulnerability: no
Launchpad-Bug-Commenters: apw brian-murray g-sauthoff guybrush janitor kortewegdevries seb128 sil2100 sorinello xtaz
Launchpad-Bug-Reporter: kortewegdevries (kortewegdevries)
Launchpad-Bug-Modifier: Łukasz Zemczak (sil2100)
Launchpad-Message-Rationale: Subscriber
Launchpad-Message-For: kortewegdevries
** Bug watch added: LightDM GTK+ Greeter Bugs #77
https://github.com/Xubuntu/lightdm-gtk-greeter/issues/77
--
You received this bug notification because you are a member of LightDM
Gtk+ Greeter Development Team, which is subscribed to lightdm-gtk-
greeter in Ubuntu.
https://bugs.launchpad.net/bugs/1890394
Title:
Lightdm-gtk-greeter coredump during boot with recent systemd versions
Status in lightdm-gtk-greeter package in Ubuntu:
Fix Released
Status in lightdm-gtk-greeter source package in Bionic:
Fix Committed
Status in lightdm-gtk-greeter source package in Groovy:
Fix Released
Bug description:
* Impact
The lightdm-gtk-greeter often segfaults on VMs
* Test case
- start a xubuntu livesession in a VM and logout
-> you should get a greeter to log in
(or install xubuntu in a VM)
* Regression potential
the mlockall call was supposed to provide improved security but isn't working, it was already commented out some cycles ago in unity-greeter, upstream and it other distributions
------------------
Upstream:https://github.com/Xubuntu/lightdm-gtk-greeter/issues/77
This is one of the many core dumps on `journalctl` for a given boot
(dumps multiple times before starting) :
**See it on upstream bug report**
System Details:
System:
Kernel: 5.8.0-12-generic x86_64 bits: 64 compiler: N/A Desktop:
Xfce 4.14.2
Distro: Ubuntu 20.10 (Groovy Gorilla) (*Proposed)
lightdm 1.30.0-0ubuntu3.1: amd64
lightdm-gtk-greeter 2.0.6-0ubuntu1:amd64
lightdm-gtk-greeter-settings 1.2.2-3
linux-firmware 1.189
------------------------------------------------------
systemd,systemd-coredump,
systemd-sysv 245.7-1ubuntu1
------------------------------------------------------
Current Behaviour:
On boot screen blinks for 2-3 times (probably the segmentation fault)
but eventually starts after 1-2 minutes.
Expected Behaviour:
Greeter would appear properly after boot.
Note: Some other systemd services are also failing on proposed, not
sure if related.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: lightdm-gtk-greeter 2.0.6-0ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-12.13-generic 5.8.0-rc7
Uname: Linux 5.8.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu43
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Wed Aug 5 12:58:44 2020
InstallationDate: Installed on 2020-04-17 (109 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200416)
SourcePackage: lightdm-gtk-greeter
UpgradeStatus: Upgraded to groovy on 2020-08-04 (0 days ago)
modified.conffile..etc.lightdm.lightdm-gtk-greeter.conf:
[greeter]
indicators = ~session;~language;~a11y;~clock;~power
default-user-image = /home/korte/Pictures/profile/profile.jpeg
mtime.conffile..etc.lightdm.lightdm-gtk-greeter.conf: 2020-06-27T09:26:56.022638
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/1890394/+subscriptions
References
