Public bug reported:
When I try to lock my screen (via termial/shortcut/menu icon) it the
screen flashes and screen lock fails to occur.
Error is:
[ 1174.050313] traps: gnome-shell[10135] general protection fault
ip:7f2facd9429a sp:7fff2117e168 error:0 in libc-2.31.so[7f2facc32000+178000]
[ 1196.611454] audit: type=1400 audit(1590639386.013:66): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="ippusbxd" pid=10567 comm="apparmor_parser"
[ 1196.611941] audit: type=1400 audit(1590639386.013:67): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libreoffice-oopslash" pid=10570
comm="apparmor_parser"
[ 1196.612169] audit: type=1400 audit(1590639386.013:68): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libreoffice-senddoc" pid=10578 comm="apparmor_parser"
[ 1196.612858] audit: type=1400 audit(1590639386.013:69): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action"
pid=10568 comm="apparmor_parser"
[ 1196.612860] audit: type=1400 audit(1590639386.013:70): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=10568
comm="apparmor_parser"
[ 1196.612862] audit: type=1400 audit(1590639386.013:71): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=10568
comm="apparmor_parser"
[ 1196.612864] audit: type=1400 audit(1590639386.013:72): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/{,usr/}sbin/dhclient" pid=10568
comm="apparmor_parser"
[ 1196.612889] audit: type=1400 audit(1590639386.013:73): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/sbin/cups-browsed" pid=10580
comm="apparmor_parser"
[ 1196.612924] audit: type=1400 audit(1590639386.013:74): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/lib/ibus/ibus-engine-hangul" pid=10573
comm="apparmor_parser"
[ 1196.612967] audit: type=1400 audit(1590639386.013:75): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="/usr/bin/man" pid=10575 comm="apparmor_parser"
[ 1204.310516] show_signal: 54 callbacks suppressed
[ 1204.310517] traps: gnome-shell[10411] general protection fault
ip:7f6abd8f5252 sp:7ffd36f07f50 error:0 in libst-1.0.so[7f6abd8d5000+4c000]
[ 1430.333121] gnome-shell[10731]: segfault at 0 ip 00007fcaa88bf252 sp
00007ffe59aa07a0 error 4 in libst-1.0.so[7fcaa889f000+4c000]
[ 1430.333132] Code: 48 83 c3 01 41 39 9f 30 01 00 00 0f 8e 27 01 00 00 49 8b
87 28 01 00 00 48 8d 35 ee 07 03 00 48 8b 2c d8 48 8b 45 00 48 8b 00 <4c> 8b 20
4c 89 e7 e8 63 31 fe ff 85 c0 74 c7 41 80 7c 24 0a 00 0f
[ 1672.006542] traps: gnome-shell[11770] general protection fault
ip:7f56cd40229a sp:7ffc6a2aeb18 error:0 in libc-2.31.so[7f56cd2a0000+178000]
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed May 27 21:21:38 2020
DisplayManager: gdm3
InstallationDate: Installed on 2019-11-25 (184 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1881060
Title:
Screen lock tiggers segfault
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