** Description changed: + Sometimes when running on the i386 ATI jenkins box, XMir hangs when + Compiz is started. + + When it's hung, it's blocked in DRI2Authenticate, in mir_wait_for on the + results of mir_drm_auth_magic. + + Applying http://paste.ubuntu.com/5983202/ to Mir to debug this, we get: + + Client output - http://paste.ubuntu.com/5981035/ + Server output - http://paste.ubuntu.com/5981019/ + + So it appears that the second drm_auth_magic request is written to the + socket but Mir never responds to it. + + I have no idea why, though. + + ==== Original report ==== + The log files are deceptive - the error comes from the failsafe X session which is started for some reason. LightDM, unity-system-compositor, and XMir all come up fine and have no unexpected log output. gnome-session.log, however, has """ I/O error : Bad file descriptor /usr/share/compiz/place.xml:1: parser error : Document is empty ^ /usr/share/compiz/place.xml:1: parser error : Start tag expected, '<' not found ^ I/O error : Bad file descriptor compizconfig - Info: Backend : gsettings compizconfig - Info: Integration : true compizconfig - Info: Profile : unity compiz (core) - Info: Loading plugin: composite compiz (core) - Info: Starting plugin: composite compiz (core) - Info: Loading plugin: opengl (polkit-gnome-authentication-agent-1:10828): polkit-gnome-1-WARNING **: Unable to determine the session we are in: No session for pid 10828 compiz (core) - Info: Unity is fully supported by your hardware. compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow). compiz (core) - Info: Starting plugin: opengl """
** Description changed: Sometimes when running on the i386 ATI jenkins box, XMir hangs when Compiz is started. When it's hung, it's blocked in DRI2Authenticate, in mir_wait_for on the results of mir_drm_auth_magic. Applying http://paste.ubuntu.com/5983202/ to Mir to debug this, we get: Client output - http://paste.ubuntu.com/5981035/ Server output - http://paste.ubuntu.com/5981019/ So it appears that the second drm_auth_magic request is written to the socket but Mir never responds to it. - I have no idea why, though. + I have no idea why, though. When I attached gdb to unity-system- + compositor in the hung case there didn't seem to be any deadlocked + thread or the like; everything seemed to be waiting on input. ==== Original report ==== The log files are deceptive - the error comes from the failsafe X session which is started for some reason. LightDM, unity-system-compositor, and XMir all come up fine and have no unexpected log output. gnome-session.log, however, has """ I/O error : Bad file descriptor /usr/share/compiz/place.xml:1: parser error : Document is empty ^ /usr/share/compiz/place.xml:1: parser error : Start tag expected, '<' not found ^ I/O error : Bad file descriptor compizconfig - Info: Backend : gsettings compizconfig - Info: Integration : true compizconfig - Info: Profile : unity compiz (core) - Info: Loading plugin: composite compiz (core) - Info: Starting plugin: composite compiz (core) - Info: Loading plugin: opengl (polkit-gnome-authentication-agent-1:10828): polkit-gnome-1-WARNING **: Unable to determine the session we are in: No session for pid 10828 compiz (core) - Info: Unity is fully supported by your hardware. compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow). compiz (core) - Info: Starting plugin: opengl """ -- You received this bug notification because you are a member of Xubuntu Developers, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1204939 Title: Unity doesn't start on ATI test machine (Mir fails to respond to drm_auth_magic request) To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1204939/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~xubuntu-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~xubuntu-dev More help : https://help.launchpad.net/ListHelp
