Activity log for bug #232364

Date Who What changed Old value New value Message
2008-05-20 23:02:04 Remove Me bug added bug
2008-05-23 06:49:17 Remove Me bug added attachment 'xcb_in.diff' (read_block (select->poll))
2008-05-23 06:50:22 Remove Me bug assigned to libxcb (Ubuntu)
2008-05-23 12:32:57 Remove Me bug assigned to xfce4-session (Ubuntu)
2008-06-03 13:05:12 Cody A.W. Somerville dbus: status New Confirmed
2008-06-03 13:05:12 Cody A.W. Somerville dbus: importance Undecided High
2008-06-03 13:05:12 Cody A.W. Somerville dbus: milestone ubuntu-8.04.2
2008-06-03 13:07:13 Cody A.W. Somerville bug assigned to linux (Ubuntu)
2008-06-09 17:09:08 Cody A.W. Somerville name xubuntu-freeze-on-login
2008-06-14 16:50:50 Cody A.W. Somerville bug added attachment 'lsof' (Output of lsof)
2008-06-18 10:19:51 Cody A.W. Somerville bug assigned to libx11 (Ubuntu)
2008-06-18 23:22:24 Bryce Harrington libx11: status New Invalid
2008-06-18 23:55:30 Cody A.W. Somerville bug added attachment 'Xorg.0.log' (/var/log/Xorg.0.log)
2008-06-18 23:59:03 Cody A.W. Somerville bug added attachment 'xinitrc' (/etc/xdg/xfce4/xinitrc)
2008-06-19 00:12:05 Bryce Harrington libxcb: status New Incomplete
2008-06-19 00:33:58 Bryce Harrington libxcb: status Incomplete Triaged
2008-06-19 00:33:58 Bryce Harrington libxcb: importance Undecided High
2008-06-19 01:05:41 Bryce Harrington bug assigned to libxcb
2008-06-19 06:42:57 Cody A.W. Somerville bug added attachment 'dbus-launch.out' (full dbus-launch strace)
2008-06-19 23:50:40 Bug Watch Updater libxcb: status Unknown Confirmed
2008-06-20 15:11:59 Cody A.W. Somerville bug assigned to dbus
2008-06-20 15:35:33 Cody A.W. Somerville libxcb: importance High Critical
2008-06-20 15:36:01 Cody A.W. Somerville xfce4-session: status New Invalid
2008-06-20 15:37:24 Cody A.W. Somerville description XUbuntu 8.04, 2.6.26-rc3 It is not reproducable (I don't know when it happens). But it happens often enough. dbus-launch can't be killed with SIGTERM (nor it dies when X session is killed, nor after Ctrl-Alt-Backspace) when it happens and seem to hang on some synchronization routine IIRC from the last time I tried to debug the issue. I installed dbgsyms this times and will try to debug dbus-launch next time it happens. BTW, isn't dbus-launch supposed to exit after dbus-daemon is started (for the user session)? Ubuntu 8.04 It is not reproducible (I don't know when it happens). But it happens often enough. dbus-launch can't be killed with SIGTERM (nor it dies when X session is killed, nor after Ctrl-Alt-Backspace) when it happens and seem to hang on some synchronization routine IIRC from the last time I tried to debug the issue. I installed dbgsyms this times and will try to debug dbus-launch next time it happens. BTW, isn't dbus-launch supposed to exit after dbus-daemon is started (for the user session)?
2008-06-20 15:37:24 Cody A.W. Somerville name xubuntu-freeze-on-login
2008-06-20 15:38:06 Cody A.W. Somerville linux: status New Invalid
2008-06-21 01:30:58 Bryce Harrington description Ubuntu 8.04 It is not reproducible (I don't know when it happens). But it happens often enough. dbus-launch can't be killed with SIGTERM (nor it dies when X session is killed, nor after Ctrl-Alt-Backspace) when it happens and seem to hang on some synchronization routine IIRC from the last time I tried to debug the issue. I installed dbgsyms this times and will try to debug dbus-launch next time it happens. BTW, isn't dbus-launch supposed to exit after dbus-daemon is started (for the user session)? Ubuntu 8.04 It is not reproducible (I don't know when it happens). But it happens often enough. dbus-launch can't be killed with SIGTERM (nor it dies when X session is killed, nor after Ctrl-Alt-Backspace) when it happens and seem to hang on some synchronization routine IIRC from the last time I tried to debug the issue. I installed dbgsyms this times and will try to debug dbus-launch next time it happens. BTW, isn't dbus-launch supposed to exit after dbus-daemon is started (for the user session)? [Workaround] kill the "dbus-launch --sh-syntax --exit-with-session" with signal 9. This allows the login process to finish. Or else just reboot several times. It seems to be a race condition and some people see it affecting login only intermittently. [Background] Due to various problems in the venerable xlib, Xorg upstream created the "X C-Language Bindings" (XCB). Debian and Ubuntu switched to an xcb-enabled libx11 in the Hardy timeframe. Prior to this, a known issue with Java (bug LP: #86103) prevented us from shipping XCB in Xorg. A patch to enable 'sloppy locking' solved the java issue and allowed Ubuntu to follow Debian in shipping with this enabled in Hardy. [Next Steps] XCB is a new technology and as such is a prominent suspect, however we've not yet proven it as the culprit beyond a shadow of doubt. A non-XCB libx11 package has been prepared for testing, and so the first step is to demonstrate conclusively that the issue is completely absent with that package. Since Hardy is an LTS, it is important that we have this issue fixed, however disabling XCB in libx11 maybe too short sighted; doing so could just unpredictably generate regressions in other packages, and it really only sweeps the problem under the rug for us to re-encounter later. Much better would be to work with upstream to get this issue resolved definitively. Going forward, as more X client applications start depending on XCB, having it available in Hardy will be of obvious benefit. But if we can show that a non-XCB libx11 resolves the issue, and no other viable workaround or solution comes to light, we may have no choice than to fall back to that.
2008-06-21 01:30:58 Bryce Harrington title dbus-launch freezes for unknown reason at session start dbus-launch hangs at session start waiting on socket output in libxcb
2008-06-21 03:28:51 uzi bug added attachment 'syslog_error.txt' (syslog_error.txt)
2008-06-21 10:00:38 Bug Watch Updater dbus: status Unknown Fix Released
2008-06-22 05:46:01 Cody A.W. Somerville bug assigned to xfce4-utils (Ubuntu)
2008-06-22 05:54:16 Cody A.W. Somerville xfce4-utils: status New In Progress
2008-06-22 05:54:16 Cody A.W. Somerville xfce4-utils: assignee cody-somerville
2008-06-22 05:54:16 Cody A.W. Somerville xfce4-utils: importance Undecided Critical
2008-06-22 05:54:16 Cody A.W. Somerville xfce4-utils: milestone intrepid-alpha-1
2008-06-22 21:32:59 uzi bug added attachment 'syslog_error3.txt' (syslog_error3.txt)
2008-06-23 09:21:29 Cody A.W. Somerville xfce4-utils: milestone intrepid-alpha-1 ubuntu-8.04.1
2008-06-23 09:22:37 Cody A.W. Somerville xfce4-utils: status New In Progress
2008-06-23 09:22:37 Cody A.W. Somerville xfce4-utils: assignee cody-somerville
2008-06-23 09:22:37 Cody A.W. Somerville xfce4-utils: importance Undecided Critical
2008-06-23 09:22:37 Cody A.W. Somerville xfce4-utils: milestone ubuntu-8.04.1
2008-06-23 09:22:58 Cody A.W. Somerville xfce4-utils: milestone ubuntu-8.04.1 intrepid-alpha-1
2008-06-23 09:30:14 Steve Langasek libx11: status New Invalid
2008-06-23 09:30:52 Steve Langasek xfce4-session: status New Invalid
2008-06-23 09:31:20 Steve Langasek linux: status New Invalid
2008-06-30 13:36:07 Cody A.W. Somerville bug added subscriber Ubuntu Package Archive Administrators
2008-06-30 15:15:16 Launchpad Janitor xfce4-utils: status In Progress Fix Released
2008-06-30 18:41:44 Cody A.W. Somerville xfce4-utils: status In Progress Triaged
2008-06-30 21:36:40 Steve Langasek dbus: status New Fix Committed
2008-06-30 21:36:55 Steve Langasek libxcb: status New Fix Committed
2008-06-30 21:37:08 Steve Langasek xfce4-utils: status Triaged Fix Committed
2008-06-30 21:37:08 Steve Langasek xfce4-utils: milestone ubuntu-8.04.1
2008-06-30 21:42:30 Steve Langasek dbus: status Fix Committed New
2008-06-30 21:42:47 Steve Langasek libxcb: status Fix Committed New
2008-06-30 21:44:31 Steve Langasek xfce4-utils: milestone ubuntu-8.04.1
2008-07-01 05:59:09 Bryce Harrington libxcb: status New Won't Fix
2008-07-01 06:00:54 Bryce Harrington dbus: status Confirmed Invalid
2008-07-01 06:01:25 Bryce Harrington dbus: status New Invalid
2008-07-02 18:59:49 Steve Langasek xfce4-utils: status Fix Committed Fix Released
2008-07-09 21:30:36 Bryce Harrington libxcb: assignee bryceharrington
2008-08-20 16:53:20 Andrew Pollock bug added subscriber Goobuntu Team
2008-09-08 20:37:25 Mark Painter bug added attachment 'psoutput' (Output of 'ps ux -e')
2008-10-15 23:35:16 Bryce Harrington libxcb: assignee bryceharrington
2009-06-04 08:52:46 Andreas Schiller removed subscriber Andreas Schiller
2009-07-17 18:55:17 Launchpad Janitor branch linked lp:ubuntu/karmic/xfce4-utils
2009-07-17 19:09:52 Launchpad Janitor branch linked lp:ubuntu/hardy-updates/xfce4-utils
2009-09-02 22:44:51 Bryce Harrington tags ct-rev verification-done ct-rev hardy verification-done
2009-10-09 19:51:19 Bug Watch Updater libxcb: status Confirmed Invalid
2009-10-10 04:07:32 Bryce Harrington libxcb (Ubuntu): status Triaged Invalid
2009-11-15 14:40:25 Launchpad Janitor branch linked lp:~xubuntu-dev/xfce4-utils/lucid
2010-05-23 21:06:15 Launchpad Janitor branch linked lp:~xubuntu-dev/xfce4-utils/maverick
2010-09-14 04:33:51 Bug Watch Updater libxcb: status Invalid Won't Fix
2010-09-14 04:33:51 Bug Watch Updater libxcb: importance Unknown Critical
2011-01-25 14:15:48 Bug Watch Updater libxcb: importance Critical Unknown
2011-02-03 12:41:47 Bug Watch Updater libxcb: importance Unknown Critical
2011-07-13 02:43:22 Launchpad Janitor branch linked lp:ubuntu/jaunty/xfce4-utils
2011-07-13 02:43:32 Launchpad Janitor branch linked lp:ubuntu/intrepid/xfce4-utils
2012-10-08 09:51:17 Bug Watch Updater dbus: importance Unknown High