Bug#608856: iceweasel: Freeze while trying to open a linked file
Dmitry Semyonov
linulin at gmail.com
Tue Jan 4 02:57:56 UTC 2011
Package: iceweasel
Severity: important
First of all, the workaround for those, seeking for quick solution:
1. Execute the following commands:
sudo cp /etc/mailcap /etc/mailcap.iceweasel
sudo sed -i 's/; test=test -n "$DISPLAY"//' /etc/mailcap.iceweasel
sudo sed -i 's/; test=test "$DISPLAY"//' /etc/mailcap.iceweasel
sudo sed -i 's/; test=test -n "$ALSA_OUTPUT_PORTS"//' /etc/mailcap.iceweasel
2. Open "about:config" page in Iceweasel, and change
"helpers.global_mailcap_file" from "/etc/mailcap" to
"/etc/mailcap.iceweasel"
The workaround disables all useless (to Iceweasel) test commands before
execution of actual helper applications. I have yet to verify it during
a week or two to be 100% sure that the issue is really solved, but after
a bit of meditation over frozen Iceweasel's backtrace I believe that it
should be.
Note that I deliberately deleted the version information. While I'm
currently using 3.6.13-1, I encountered the issue with previous 3.x
versions too.
The severity is "important" because it's very annoying when the whole
browser, full of opened tabs, freezes in the middle of some work, and
you have to kill it from console, start again, re-enter passwords,
relogin to some web sites, etc. instead of proceeding with the work.
Now some low-level details.
This is how the problem looks in 'ps efx' output:
21767 ? Ssl 167:24 | \_ /usr/lib/iceweasel/firefox-bin
26499 ? Z 0:00 | | \_ [sh] <defunct>
The interesting backtrace excerpt:
#0 0xb78b3424 in __kernel_vsyscall ()
#1 0xb7770f7f in __pthread_cond_wait (cond=0x98b41804, mutex=0x967ffa00) at pthread_cond_wait.c:153
#2 0xb5fdbfc9 in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d
#3 0xb5fe4461 in ?? () from /usr/lib/libnspr4.so.0d
#4 0xb5fd1e84 in PR_WaitProcess () from /usr/lib/libnspr4.so.0d
#5 0xb7030438 in nsProcess::Monitor (arg=0x98b41780) at ../../../xpcom/threads/nsProcessCommon.cpp:263
#6 0xb7030633 in nsProcess::RunProcess (this=0x98b41780, blocking=1, args=0xbfb1d2e8, count=2,
observer=0x0, holdWeak=0) at ../../../xpcom/threads/nsProcessCommon.cpp:440
#7 0xb70300a0 in nsProcess::Run (this=0x98b41780, blocking=1, args=0xbfb1d2e8, count=2)
at ../../../xpcom/threads/nsProcessCommon.cpp:320
#8 0xb6d8446b in nsOSHelperAppService::GetHandlerAndDescriptionFromMailcapFile (aFilename=...,
aMajorType=..., aMinorType=..., aTypeOptions=..., aHandler=..., aDescription=..., aMozillaFlags=...)
at ../../../uriloader/exthandler/unix/nsOSHelperAppService.cpp:1159
And the offender command:
(gdb) f 6
#6 0xb7030633 in nsProcess::RunProcess (this=0x98b41780, blocking=1, args=0xbfb1d2e8, count=2,
observer=0x0, holdWeak=0) at ../../../xpcom/threads/nsProcessCommon.cpp:440
(gdb) p args[0]
$36 = 0xb71ad750 "-c"
(gdb) p args[1]
$37 = 0xbfb1cf68 "test -n \"$DISPLAY\""
P.S.
Sorry about not following the suggestions to reproduce the issue with disabled add-ons, using
safe mode, etc. but the problem seems unrelated to all that stuff.
-- Package-specific info:
-- Extensions information
Name: Adblock Plus
Location: ${PROFILE_EXTENSIONS}/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Status: enabled
Name: Context Search
Location: ${PROFILE_EXTENSIONS}/{902D2C4A-457A-4EF9-AD43-7014562929FF}
Status: enabled
Name: Default
Location: /usr/lib/iceweasel/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}
Package: iceweasel
Status: enabled
Name: Flashblock
Location: ${PROFILE_EXTENSIONS}/{3d7eb24f-2740-49df-8937-200b1cc08f8a}
Status: enabled
Name: Google Dictionary and Google Translate
Location: ${PROFILE_EXTENSIONS}/googledictionary at toptip.ca
Status: enabled
Name: Header Spy
Location: ${PROFILE_EXTENSIONS}/{9efe12fc-8e7b-41dc-917e-b9341daa31e0}
Status: enabled
Name: NoScript
Location: ${PROFILE_EXTENSIONS}/{73a6fe31-595d-460b-a920-fcc0f8843232}
Status: enabled
Name: Password Hasher
Location: ${PROFILE_EXTENSIONS}/passhash at mozilla.wijjo.com
Status: enabled
Name: Russian spellchecking dictionary
Location: ${PROFILE_EXTENSIONS}/ru at dictionaries.addons.mozilla.org
Status: enabled
Name: Sage
Location: ${PROFILE_EXTENSIONS}/{a6ca9b3b-5e52-4f47-85d8-cca35bb57596}
Status: enabled
Name: ScrapBook
Location: ${PROFILE_EXTENSIONS}/{53A03D43-5363-4669-8190-99061B2DEBA5}
Status: enabled
Name: Sort Tabs
Location: ${PROFILE_EXTENSIONS}/tito at sorttabs
Status: enabled
Name: Tab Mix Plus
Location: ${PROFILE_EXTENSIONS}/{dc572301-7619-498c-a57d-39143191b318}
Status: enabled
Name: Toggle Word Wrap
Location: ${PROFILE_EXTENSIONS}/{cafe3945-058e-47e3-87f8-75bc120b9638}
Status: enabled
Name: ViewSourceWith
Location: ${PROFILE_EXTENSIONS}/{eecba28f-b68b-4b3a-b501-6ce12e6b8696}
Status: enabled
-- Plugins information
Name: DjVuLibre-3.5.23
Location: /usr/lib/netscape/plugins-libc6/nsdejavu.so
Package: djvulibre-plugin
Status: enabled
Name: Java(TM) Plug-in 1.6.0_22
Location: /usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386/libnpjp2.so
Package: sun-java6-bin
Status: enabled
Name: Picasa
Location: /opt/google/picasa/3.0/lib/npPicasa3.so
Package: picasa
Status: enabled
Name: Shockwave Flash
Location: /usr/lib/flashplugin-nonfree/libflashplayer.so
Status: enabled
Name: VLC Multimedia Plug-in
Location: /usr/lib/mozilla/plugins/libvlcplugin.so
Package: mozilla-plugin-vlc
Status: enabled
-- Addons package information
ii djvulibre-plug 3.5.23-3 Browser plugin for the DjVu image format
ii iceweasel 3.6.13-1 Web browser based on Firefox
ii mozilla-plugin 1.1.3-1 multimedia plugin for web browsers based on
ii picasa 3.0.5744-02 Image management application from Google
ii sun-java6-bin 6.22-1 Sun Java(TM) Runtime Environment (JRE) 6 (ar
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages iceweasel depends on:
ii debianutils 3.4 Miscellaneous utilities specific t
ii fontconfig 2.8.0-2.1 generic font configuration library
ii libc6 2.11.2-7 Embedded GNU C Library: Shared lib
ii libgcc1 1:4.4.5-8 GCC support library
ii libglib2.0-0 2.24.2-1 The GLib library of C routines
ii libgtk2.0-0 2.20.1-2 The GTK+ graphical user interface
ii libnspr4-0d 4.8.6-1 NetScape Portable Runtime Library
ii libstdc++6 4.4.5-8 The GNU Standard C++ Library v3
ii procps 1:3.2.8-9 /proc file system utilities
ii xulrunner-1.9.2 1.9.2.13-1 XUL + XPCOM application runner
iceweasel recommends no packages.
Versions of packages iceweasel suggests:
ii libgssapi-krb5-2 1.8.3+dfsg-4 MIT Kerberos runtime libraries - k
pn mozplugger <none> (no description available)
ii ttf-lyx 1.6.7-1 TrueType versions of some TeX font
pn ttf-mathematica4.1 <none> (no description available)
ii xfonts-mathml 4 Type1 Symbol font for MathML
pn xprint <none> (no description available)
Versions of packages xulrunner-1.9.2 depends on:
ii libasound2 1.0.23-2.1 shared library for ALSA applicatio
ii libatk1.0-0 1.30.0-1 The ATK accessibility toolkit
ii libbz2-1.0 1.0.5-6 high-quality block-sorting file co
ii libc6 2.11.2-7 Embedded GNU C Library: Shared lib
ii libcairo2 1.8.10-6 The Cairo 2D vector graphics libra
ii libdbus-1-3 1.2.24-4 simple interprocess messaging syst
ii libevent-1.4-2 1.4.13-stable-1 An asynchronous event notification
ii libffi5 3.0.9-3 Foreign Function Interface library
ii libfontconfig1 2.8.0-2.1 generic font configuration library
ii libfreetype6 2.4.2-2.1 FreeType 2 font engine, shared lib
ii libgcc1 1:4.4.5-8 GCC support library
ii libglib2.0-0 2.24.2-1 The GLib library of C routines
ii libgtk2.0-0 2.20.1-2 The GTK+ graphical user interface
ii libhunspell-1.2-0 1.2.11-1 spell checker and morphological an
ii libjpeg62 6b1-1 The Independent JPEG Group's JPEG
ii libmozjs3d 1.9.2.13-1 The Mozilla SpiderMonkey JavaScrip
ii libnspr4-0d 4.8.6-1 NetScape Portable Runtime Library
ii libnss3-1d 3.12.8-1 Network Security Service libraries
ii libpango1.0-0 1.28.3-1 Layout and rendering of internatio
ii libpixman-1-0 0.16.4-1 pixel-manipulation library for X a
ii libpng12-0 1.2.44-1 PNG library - runtime
ii libreadline6 6.1-3 GNU readline and history libraries
ii libsqlite3-0 3.7.4-2 SQLite 3 shared library
ii libstartup-notification 0.10-1 library for program launch feedbac
ii libstdc++6 4.4.5-8 The GNU Standard C++ Library v3
ii libx11-6 2:1.3.3-4 X11 client-side library
ii libxrender1 1:0.9.6-1 X Rendering Extension client libra
ii libxt6 1:1.0.7-1 X11 toolkit intrinsics library
ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime
-- no debconf information
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