firefox-bin crashed with SIGSEGV in gfxFontCache::DestroyFont()

[KrzysiekT]

Binary package hint: firefox

it append when sun-java plug-in enabled on web page (numion max-speed); then cpu use 100%
it appends again java eat ~360mb of ram, after killing process (java) Firefox closed automatically

ProblemType: Crash
Architecture: amd64
CheckboxSubmission: 7dca66229a1d16ff28a9968f70be8d47
CheckboxSystem: 0e4c5294c8015f2e594ea0a7024806a0
Date: Wed Mar 24 17:56:58 2010
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/firefox-3.6/firefox-bin
FirefoxPackages:
 firefox 3.6+nobinonly-0ubuntu6
 firefox-gnome-support 3.6+nobinonly-0ubuntu6
 firefox-branding 3.6+nobinonly-0ubuntu6
 abroswer N/A
 abrowser-branding N/A
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: firefox 3.6+nobinonly-0ubuntu6
ProcCmdline: /usr/lib/firefox-3.6/firefox-bin
ProcEnviron:
 LANG=pl_PL.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Signal: 11
SourcePackage: firefox
StacktraceTop:
 ?? () from /usr/lib/firefox-3.6/libxul.so
 ?? () from /usr/lib/firefox-3.6/libxul.so
 gfxFontCache::DestroyFont(gfxFont*) ()
 ?? () from /usr/lib/firefox-3.6/libxul.so
 ?? () from /usr/lib/firefox-3.6/libxul.so
Title: firefox-bin crashed with SIGSEGV in gfxFontCache::DestroyFont()
Uname: Linux 2.6.32-17-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1867): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-terminal:1948): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:8567): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:8642): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:11630): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 _cairo_user_data_array_set_data (array=0x7f2d255c8a50,
 ~gfxFcFont (this=0x7f2d19e59ab0)
 gfxFontCache::DestroyFont (
 nsExpirationTracker<gfxFont, 3u>::AgeOneGeneration (
 nsExpirationTracker<gfxFont, 3u>::TimerCallback (

[cloudsonmy (cloudcomputing)]

I am using i386 version of lucid. It is really stranger for me, because sometime java works fine, sometimes it need 100% of the CPU or firefox crashed.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[madbiologist (me-again)]

Official support for Ubuntu 10.04 "Lucid Lynx" has ended. If this bug is still occurring on Ubuntu 17.04 "Zesty Zapus" please run ubuntu-bug to file a new bug report so that we can get a fresh set of log files and system info.