Public bug reported:
Was trying to use lightdm-webkit-greeter on Ubuntu 13.04, installed from
apt-get
/etc/lightdm/lightdm.conf:
[SeatDefaults]
user-session=ubuntu
greeter-session=lightdm-webkit-greeter
/etc/lightdm/lightdm-webkit-greeter.conf:
[greeter]
background=/usr/share/backgrounds/warty-final-ubuntu.png
theme-name=Ambiance
webkit-theme=default
font-name=Ubuntu 11
xft-antialias=true
xft-dpi=96
xft-hintstyle=slight
xft-rgba=rgb
Booting the system does not show a greeter.
Running lightdm --test-mode --debug ends with:
[+0.08s] DEBUG: Connecting to XServer :1
[+0.08s] DEBUG: Starting greeter
[+0.09s] DEBUG: Started session 5806 with service 'lightdm-greeter', username
'kman'
[+0.10s] DEBUG: Session 5806 authentication complete with return value 0:
Success
[+0.10s] DEBUG: Greeter authorized
[+0.10s] DEBUG: Logging to /home/kman/.cache/lightdm/log/x-1-greeter.log
[+0.10s] DEBUG: Session 5806 running command
/usr/lib/lightdm/lightdm-greeter-session /usr/bin/lightdm-webkit-greeter
The test window (Xephyr) is just black, nothing showing... same as when
the system is allowed to boot with webkit greeter enabled.
ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: lightdm-webkit-greeter 0.1.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-12.21-generic 3.8.2
Uname: Linux 3.8.0-12-generic x86_64
ApportVersion: 2.9.1-0ubuntu1
Architecture: amd64
Date: Tue Mar 12 21:47:13 2013
ExecutablePath: /usr/bin/lightdm-webkit-greeter
InstallationDate: Installed on 2012-11-19 (112 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcCmdline: /usr/bin/lightdm-webkit-greeter
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7f6414c019f0 <_ZN3WTF23waitForThreadCompletionEj+128>:
cmpb $0x0,0x4(%rax)
PC (0x7f6414c019f0) ok
source "$0x0" ok
destination "0x4(%rax)" (0x00000004) not located in a known VMA region (needed
writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: lightdm-webkit-greeter
StacktraceTop:
__lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
_L_lock_1035 () from /lib/x86_64-linux-gnu/libpthread.so.0
pthread_mutex_lock () from /lib/x86_64-linux-gnu/libpthread.so.0
?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
g_file_new_for_path () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: lightdm-webkit-greeter crashed with SIGSEGV in __lll_lock_wait()
UpgradeStatus: Upgraded to raring on 2013-03-08 (4 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo wireshark
** Affects: lightdm-webkit-greeter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash need-amd64-retrace raring
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1154224
Title:
lightdm-webkit-greeter crashed with SIGSEGV in __lll_lock_wait()
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