Public bug reported:
Binary package hint: firefox-3.5
With multiple tabs open, when dragging a tab, the cursor sometimes gets
stuck in 'tab moving mode'. The 'violet arrow' indicating a position
between tabs, and the dragged page image stick in a position, but the
cursor continues to move about with mouse movement. The mouse buttons
and keyboard are unresponsive inside or outside of the program window,
thus it is impossible to close, to switch programs, to shutdown or to
reboot x with cntr-alt-bksp.
Unplugging and replugging usb mouse does not help, nor does plugging in
a usb keyboard. Waiting for extended time (overnight) does not help.
Forced to press power button which precipitates rapid shutdown, loosing
unsaved work in other programs. On restarting firefox (after reboot)
the "were embarrassed: firefox had problem restoring session" window
appears, yet it seems to be able to restore session without removing any
tabs.
This problem is repeatable, but does not occur every time a tab is
moved. It has repeated over time, through a number of ff updates. May
be related to a number of bugs involving firefox freezing system under
various circumstances. I had previously had problems with ff freezing
when scrolling, occasionally.
Using xubuntu 9.10 with current updates.
ProblemType: Bug
Architecture: i386
Date: Mon Jan 25 21:38:50 2010
DistroRelease: Ubuntu 9.10
Package: firefox-3.5 3.5.7+nobinonly-0ubuntu0.9.10.1
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: firefox-3.5
Uname: Linux 2.6.31-17-generic i686
XsessionErrors:
(polkit-gnome-authentication-agent-1:1992): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
(thunderbird-bin:2066): GLib-WARNING **: g_set_prgname() called multiple times
(firefox:2106): GLib-WARNING **: g_set_prgname() called multiple times
** Affects: firefox-3.5 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
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firefox freezes when dragging tab; system inoperable
https://bugs.launchpad.net/bugs/512787
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