** Attachment added: "Backtrace with Xorg started from gdb as root, then opening Firefox" https://bugs.launchpad.net/bugs/822885/+attachment/2262570/+files/gdb-Xorg-direct.txt
** Description changed: I've experienced some times now that when I load big images in Firefox, the X server hangs. This occurs with a default Firefox profile, and for - example on http://sortvis.org/algorithms/bubblesort.html (needs - JavaScript). In this case, Xorg goes up to 100% CPU, and I does not - react to key presses (except when using the SysRq shortcuts to kill it). - I have a backtrace, and it seems to be realted with libpixman; however, - when I install libpixman-1-0-dbg to get a reasonable backtrace, the X - hangs do not occur anymore... + example reproducible on http://sortvis.org/algorithms/bubblesort.html + (needs JavaScript). In this case, Xorg goes up to 100% CPU, and I does + not react to key presses (except when using the SysRq shortcuts to kill + it). I have a backtrace, and it seems to be realted with libpixman; + however, when I install libpixman-1-0-dbg to get a reasonable backtrace, + the X hangs do not occur anymore... I am currently using Ubuntu Lucid LTS, with Firefox 3.6.18+build2 +nobinonly-0ubuntu0.10.04.2 from lucid-updates ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: firefox 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 ProcVersionSignature: Ubuntu 2.6.32-32.62-generic 2.6.32.38+drm33.16 Uname: Linux 2.6.32-32-generic x86_64 Architecture: amd64 Date: Mon Aug 8 21:10:39 2011 EcryptfsInUse: Yes FirefoxPackages: - firefox 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 - firefox-gnome-support 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 - firefox-branding 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 - abroswer N/A - abrowser-branding N/A + firefox 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 + firefox-gnome-support 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 + firefox-branding 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 + abroswer N/A + abrowser-branding N/A SourcePackage: firefox ** Description changed: I've experienced some times now that when I load big images in Firefox, the X server hangs. This occurs with a default Firefox profile, and for example reproducible on http://sortvis.org/algorithms/bubblesort.html (needs JavaScript). In this case, Xorg goes up to 100% CPU, and I does not react to key presses (except when using the SysRq shortcuts to kill - it). I have a backtrace, and it seems to be realted with libpixman; - however, when I install libpixman-1-0-dbg to get a reasonable backtrace, - the X hangs do not occur anymore... + it). I have a backtrace (see gdb-Xorg-direct.txt), with Xorg started + from gdb as root, and then browsing Firefox to the mentioned URL. From + the backtrace, it seems to be related with libpixman; however, when I + install libpixman-1-0-dbg to get a reasonable backtrace, the X hangs do + not occur anymore... I am currently using Ubuntu Lucid LTS, with Firefox 3.6.18+build2 - +nobinonly-0ubuntu0.10.04.2 from lucid-updates + +nobinonly-0ubuntu0.10.04.2 from lucid-updates. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: firefox 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 ProcVersionSignature: Ubuntu 2.6.32-32.62-generic 2.6.32.38+drm33.16 Uname: Linux 2.6.32-32-generic x86_64 Architecture: amd64 Date: Mon Aug 8 21:10:39 2011 EcryptfsInUse: Yes FirefoxPackages: firefox 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 firefox-gnome-support 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 firefox-branding 3.6.18+build2+nobinonly-0ubuntu0.10.04.2 abroswer N/A abrowser-branding N/A SourcePackage: firefox -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/822885 Title: Firefox makes X hang when viewing big images To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/822885/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs