compiz crashed with SIGSEGV in BamfLauncherIcon::NameForWindow()
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Unity |
Fix Released
|
Critical
|
Tim Penhey | ||
| unity (Ubuntu) |
Fix Released
|
Critical
|
Tim Penhey | ||
Bug Description
This seemed to happen when I was using Alt-Tab.
ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.20.0-0ubuntu2
ProcVersionSign
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Mon Oct 3 19:01:19 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
ProcCmdline: compiz
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0xa6dcc6: movdqu (%edi),%xmm1
PC (0x00a6dcc6) ok
source "(%edi)" (0x00000000) not located in a known VMA region (needed readable region)!
destination "%xmm1" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
?? () from /lib/i386-
BamfLauncherIc
unity:
sigc::
nux::Property<
Title: compiz crashed with SIGSEGV in BamfLauncherIco
UpgradeStatus: Upgraded to oneiric on 2011年07月13日 (82 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
Related branches
- Marco Trevisan (Treviño): Approve
- Sam Spilsbury (community): Approve
-
Diff: 14 lines (+1/-3) 1 file modifiedapiplugins/unityshell/src/BamfLauncherIcon.cpp (+1/-3)
- Dependencies.txt Edit (5.8 KiB, text/plain; charset="utf-8")
- Disassembly.txt Edit (513 bytes, text/plain; charset="utf-8")
- ProcMaps.txt Edit (69.7 KiB, text/plain; charset="utf-8")
- ProcStatus.txt Edit (784 bytes, text/plain; charset="utf-8")
- Registers.txt Edit (440 bytes, text/plain; charset="utf-8")
- Stacktrace.txt Edit (6.3 KiB, text/plain; charset="utf-8")
- ThreadStacktrace.txt Edit (8.3 KiB, text/plain; charset="utf-8")
- XsessionErrors.txt Edit (4.4 KiB, text/plain; charset="utf-8")
StacktraceTop:
__strlen_sse2_bsf () at ../sysdeps/
length (__s=0x0) at /usr/include/
assign (__s=0x0, this=0xbf880e6c) at /usr/include/
operator= (__s=0x0, this=0xbf880e6c) at /usr/include/
BamfLauncherIc
Status changed to 'Confirmed' because the bug affects multiple users.
Assigning null to a std::string is not allowed.
Jono, do you recall having any particular non-standard apps running during these alt-tab crashes? I think I've found the actual problem, but it would be great to be able to reproduce it.
This bug was fixed in the package unity - 5.2.0-0ubuntu1
---------------
unity (5.2.0-0ubuntu1) precise; urgency=low
* New upstream release.
- Unity needs a way to switch (tab) between windows on current workspace
(LP: #863399)
- compiz crashed with SIGSEGV in BamfLauncherIco
(LP: #865840)
- Gradual degradation in desktop performance. (LP: #888039)
- compiz (unity) crashes with SIGSEGV when a window is minimized.
(LP: #918329)
- FavoriteStore external change support (LP: #681503)
- Launcher - Make Launcher left of screen reveal more responsive and less
prone to false positives (LP: #765819)
- Window auto-maximise functionality should be disabled on monitors with a
resolution above 1024 x 600 (LP: #797808)
- Dash: very high latency responding to input (LP: #828582)
- Dash - Behaviour of the 'All' button in the Dash filters broken in
several ways (LP: #841864)
- alt-tab - The app title in the top left of the top bar should change as
the alt-tab focus changes (LP: #855516)
- Keyboard shortcut - Add keyboard shortcut hint overlay that is displayed
when a user presses and holds the Super key (LP: #855532)
- Unity crashes when started in an environment without utouch support
(LP: #860707)
- Dash - Remove Dash Home shortcut icons (LP: #885738)
- Dash - Most Frequently Used apps change to Recently Used, without
Launcher favorites (LP: #893214)
- Should have a launcher on every monitor (LP: #915944)
- Launcher autohide behaviour on multi-monitor (LP: #915946)
- the unity wrapper should kill compiz before restarting it (LP: #919132)
- Launcher - Implement workspace/launcher cross interactions (LP: #690143)
- Application icons should only display windows from the current workspace
in the window spread (LP: #689733)
- Notification area ("system tray") missing when using dual monitors of
different sizes, with their bottoms aligned (LP: #778256)
- Clicking Nautilus launcher icon fails to open a Nautilus file explorer
window when copying a file and all other Nautilus windows are closed /
bamf should skip the taskbar (LP: #784804)
- Dash - the search box is not aligned correctly relative to the Launcher
BFB button (LP: #838904)
- Dash - A expand/collapse arrow is missing from all the filter category
headers (LP: #841870)
- Dash - the filter buttons should not have a mouse over state
(LP: #838901)
- Dash - the "Filter results" text is the wrong size, wrong font weight,
and aligned incorrectly in both the vertical and horizontal axis
(LP: #863240)
- Add SUPER+TAB switching mode that enables the user to switch
applications via the Launcher (LP: #891620)
- Software Centre - automatically add app icon to launcher (LP: #761851)
- Compiz add transparency to titlebar along with the panel (LP: #912682)
- The search box is too opaque and dark (LP: #913717)
- Dash - Make statefulness of Dash Home and Dash Lenses consistent
(LP: #914759)
- Unity 5.0: "All" button for filters render as "..." (LP: #91...