** Description changed:

- Auth from phone, will update description after reboot
+ For two days in a row (one would have been a one-off WTF that I don't
+ care to report) my system now hang after unlocking from the UI.
+ 
+ I can't see any obvious hanging processes that would be the obvious
+ reason.
+ 
+ OVer day I have a few screen locks e.g. when going for lunch, but at
+ least 2/2 times it only appeared when the lock was active over night.
+ I'm not sure it if it the duration or that some job kicks in at night.
+ 
+ I have used apport to collect the basics, and will add some more debug
+ data.
+ 
+ If you find a lead in there let me know, otherwise assuming I might face
+ this every morning please let me know what to check next time it happens
+ so that we can find the root cause.
+ 
+ I found similar bug 1285258 - but other than there I can NOT hit cancel
+ to get a second chance, nothing in the UI moves at all and all I can do
+ is drop to a non UI console with CTRL+ALT+F3 and debug from there.
+ 
+ I found that restarting gdm gets me logged in, therefore I'll also
+ attache a journal log so that you can look for issues in there.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: gdm3 3.28.3-0ubuntu18.04.3
  ProcVersionSignature: Ubuntu 4.18.0-13.14~18.04.1-generic 4.18.17
  Uname: Linux 4.18.0-13-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  Date: Fri Jan 25 06:59:10 2019
  InstallationDate: Installed on 2018-10-12 (104 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  SourcePackage: gdm3
  UpgradeStatus: No upgrade log present (probably fresh install)

** Summary changed:

- Hang at screen unlock
+ Hang at screen unlock (gdm / 18.04)

** Description changed:

  For two days in a row (one would have been a one-off WTF that I don't
  care to report) my system now hang after unlocking from the UI.
  
  I can't see any obvious hanging processes that would be the obvious
  reason.
  
  OVer day I have a few screen locks e.g. when going for lunch, but at
  least 2/2 times it only appeared when the lock was active over night.
  I'm not sure it if it the duration or that some job kicks in at night.
  
  I have used apport to collect the basics, and will add some more debug
  data.
  
  If you find a lead in there let me know, otherwise assuming I might face
  this every morning please let me know what to check next time it happens
  so that we can find the root cause.
  
  I found similar bug 1285258 - but other than there I can NOT hit cancel
  to get a second chance, nothing in the UI moves at all and all I can do
  is drop to a non UI console with CTRL+ALT+F3 and debug from there.
  
- I found that restarting gdm gets me logged in, therefore I'll also
- attache a journal log so that you can look for issues in there.
+ I found that restarting gdm (systemctl restart gdm) gets me logged in,
+ therefore I'll also attach a journal log so that you can look for issues
+ in there.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: gdm3 3.28.3-0ubuntu18.04.3
  ProcVersionSignature: Ubuntu 4.18.0-13.14~18.04.1-generic 4.18.17
  Uname: Linux 4.18.0-13-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  Date: Fri Jan 25 06:59:10 2019
  InstallationDate: Installed on 2018-10-12 (104 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  SourcePackage: gdm3
  UpgradeStatus: No upgrade log present (probably fresh install)

** Attachment added: "full 'ps axlf' while hanging"
   
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1813248/+attachment/5232400/+files/screenlock-hang-ps.txt

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https://bugs.launchpad.net/bugs/1813248

Title:
  Hang at screen unlock (gdm / 18.04)

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