[Bug 1015357] [NEW] Total freeze of firefox, except keyboard shortcut enabled quit.

[John Law]

Public bug reported:


I mouse dragged a tab from the right of a window to the left. 

The first time everything worked fine then immediately afterward, I did
that again without clicking in the document area of any tab. The cursor
became a grab and drag hand, the mouse would move OK, even over the
desktop wallpaper, but moving the mouse or hovering over a new tab
position did not give any feedback that it was ready to drop the tab
into a new position. Unresponsive to any mouse click. Titlebar menu
would not open with a mouse click.

I did control Q and restarted. Everything now fine. All tabs restored.

While writing this report I reproduced the same mouse moves again and
got the same freeze. The freeze occurred after four tab moves in a few
seconds - usually not a problem. I think the critical move is trying to
drop the tab near the top of the document area.

Intel i7 box on Gigabyte MB.
Xfce 4.8 desktop. Ubuntu 11.04 and Firefox 13.0 - all from repository updated a few days ago. Although urls are probably not relevant, tabs open in this window were phys.org and medicalxpress.com and this bug reporting page.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: firefox 13.0+build1-0ubuntu0.11.04.1
ProcVersionSignature: Ubuntu 2.6.38-15.60-generic-pae 2.6.38.8
Uname: Linux 2.6.38-15-generic-pae i686
NonfreeKernelModules: fglrx
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  john      19983 F.... pulseaudio
 /dev/snd/pcmC1D3p:   john      19983 F...m pulseaudio
 /dev/snd/controlC0:  john      19983 F.... pulseaudio
 /dev/snd/pcmC0D0p:   john      19983 F...m pulseaudio
BuildID: 20120601175858
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfbff8000 irq 55'
   Mixer name	: 'Realtek ALC892'
   Components	: 'HDA:10ec0892,1458a002,00100302'
   Controls      : 35
   Simple ctrls  : 19
Card1.Amixer.info:
 Card hw:1 'Generic'/'HD-Audio Generic at 0xfbcfc000 irq 56'
   Mixer name	: 'ATI R6xx HDMI'
   Components	: 'HDA:1002aa01,00aa0100,00100200'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Channel: release
CheckboxSubmission: af3c92f2fe58f118c0d5731077d6dce0
CheckboxSystem: 4ed15c40009aa6f7770f606350a390a2
Date: Wed Jun 20 09:35:22 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
IpRoute:
 169.254.0.0/16 dev eth0  scope link  metric 1000 
 10.0.0.0/8 dev eth0  proto kernel  scope link  src 10.1.1.2  metric 1 
 default via 10.1.1.1 dev eth0  proto static
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MostRecentCrashID: bp-3db8d14f-fb3c-40c9-a514-538a32120501
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=13.0/20120601175858 (In use)
RelatedPackageVersions:
 icedtea-plugin        1.1.1-0ubuntu1~11.04.2
 totem-mozilla         2.32.0-0ubuntu10
 browser-plugin-parole 0.2.0.2-3ubuntu2
RfKill:
 
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs: bp-3db8d14f-fb3c-40c9-a514-538a32120501
UpgradeStatus: Upgraded to natty on 2011-04-29 (417 days ago)
dmi.bios.date: 08/11/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F11
dmi.board.name: P55A-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF11:bd08/11/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55A-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55A-UD3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P55A-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 natty release-channel

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Title:
  Total freeze of firefox, except keyboard shortcut enabled quit.

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