[Bug 2098588] [NEW] After recent libc update my login screen goes "something bad happened" screen is shown

[Chaostya]

Public bug reported:

$lsb_release -rd
Description:	Ubuntu Plucky Puffin (development branch)
Release:	25.04


$ apt-cache policy libc6
libc6:
  Installed: 2.40-4ubuntu1
  Candidate: 2.40-4ubuntu1
  Version table:
 *** 2.40-4ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu plucky/main amd64 Packages
        100 /var/lib/dpkg/status


After recent libc update my login screen shows for couple seconds and
then a white "something bad happened" screen is shown.

I'm still able to use recovery, su - user, startx, but it fails with this backtrace:
[   293.987] (EE) Backtrace:
[   293.989] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x14c) [0x5676b4eca6dc]
[   293.990] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x50) [0x7dd9c3645650]
[   293.990] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (pthread_kill+0x11c) [0x7dd9c36a3f5c]
[   293.991] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0x1e) [0x7dd9c364559e]
[   293.992] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0xdf) [0x7dd9c3628902]
[   293.993] (EE) unw_get_proc_name failed: no unwind info found [-10]
[   293.993] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7dd9c362881e]
[   293.994] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x47) [0x7dd9c363bb87]
[   293.994] (EE) 7: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xb13) [0x5676b4e6fe23]
[   293.994] (EE) 8: /usr/lib/xorg/Xorg (DRI2Authenticate+0xce) [0x5676b4e728de]
[   293.994] (EE) 9: /usr/lib/xorg/Xorg (DRI2GetParam+0x6d9) [0x5676b4e736f9]
[   293.995] (EE) 10: /usr/lib/xorg/Xorg (SendErrorToClient+0x3fc) [0x5676b4d0204c]
[   293.995] (EE) 11: /usr/lib/xorg/Xorg (InitFonts+0x3b3) [0x5676b4d07623]
[   293.996] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x88) [0x7dd9c362a3b8]
[   293.997] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x8b) [0x7dd9c362a47b]
[   293.997] (EE) 14: /usr/lib/xorg/Xorg (_start+0x25) [0x5676b4ceb685]

ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: libc6 2.40-4ubuntu1
ProcVersionSignature: Ubuntu 6.12.0-15.15-generic 6.12.11
Uname: Linux 6.12.0-15-generic x86_64
ApportVersion: 2.31.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Feb 16 09:16:56 2025
Dependencies:
 gcc-14-base 14.2.0-17ubuntu1
 libc6 2.40-4ubuntu1
 libgcc-s1 14.2.0-17ubuntu1
 libidn2-0 2.3.7-2build2
 libunistring5 1.3-1
InstallationDate: Installed on 2021-09-14 (1250 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210910)
SourcePackage: glibc
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: glibc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug plucky wayland-session

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https://bugs.launchpad.net/bugs/2098588

Title:
  After recent libc update my login screen goes "something bad happened"
  screen is shown

Status in glibc package in Ubuntu:
  New

Bug description:
  $lsb_release -rd
  Description:	Ubuntu Plucky Puffin (development branch)
  Release:	25.04

  
  $ apt-cache policy libc6
  libc6:
    Installed: 2.40-4ubuntu1
    Candidate: 2.40-4ubuntu1
    Version table:
   *** 2.40-4ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu plucky/main amd64 Packages
          100 /var/lib/dpkg/status


  After recent libc update my login screen shows for couple seconds and
  then a white "something bad happened" screen is shown.

  I'm still able to use recovery, su - user, startx, but it fails with this backtrace:
  [   293.987] (EE) Backtrace:
  [   293.989] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x14c) [0x5676b4eca6dc]
  [   293.990] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x50) [0x7dd9c3645650]
  [   293.990] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (pthread_kill+0x11c) [0x7dd9c36a3f5c]
  [   293.991] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0x1e) [0x7dd9c364559e]
  [   293.992] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0xdf) [0x7dd9c3628902]
  [   293.993] (EE) unw_get_proc_name failed: no unwind info found [-10]
  [   293.993] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7dd9c362881e]
  [   293.994] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x47) [0x7dd9c363bb87]
  [   293.994] (EE) 7: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xb13) [0x5676b4e6fe23]
  [   293.994] (EE) 8: /usr/lib/xorg/Xorg (DRI2Authenticate+0xce) [0x5676b4e728de]
  [   293.994] (EE) 9: /usr/lib/xorg/Xorg (DRI2GetParam+0x6d9) [0x5676b4e736f9]
  [   293.995] (EE) 10: /usr/lib/xorg/Xorg (SendErrorToClient+0x3fc) [0x5676b4d0204c]
  [   293.995] (EE) 11: /usr/lib/xorg/Xorg (InitFonts+0x3b3) [0x5676b4d07623]
  [   293.996] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x88) [0x7dd9c362a3b8]
  [   293.997] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x8b) [0x7dd9c362a47b]
  [   293.997] (EE) 14: /usr/lib/xorg/Xorg (_start+0x25) [0x5676b4ceb685]

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: libc6 2.40-4ubuntu1
  ProcVersionSignature: Ubuntu 6.12.0-15.15-generic 6.12.11
  Uname: Linux 6.12.0-15-generic x86_64
  ApportVersion: 2.31.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Feb 16 09:16:56 2025
  Dependencies:
   gcc-14-base 14.2.0-17ubuntu1
   libc6 2.40-4ubuntu1
   libgcc-s1 14.2.0-17ubuntu1
   libidn2-0 2.3.7-2build2
   libunistring5 1.3-1
  InstallationDate: Installed on 2021-09-14 (1250 days ago)
  InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210910)
  SourcePackage: glibc
  UpgradeStatus: No upgrade log present (probably fresh install)

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