Hi, my apologies, I had indeed missed this. Here is the output from gdb when running Firefox in it and reproducing the hang. It appears there are some library mismatches in the current version. The commands were all given at the moment Firefox hung:
mixcoatl@america:~$ firefox -g -d gdb GNU gdb (GDB) 7.1-ubuntu Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/lib/firefox/firefox...Reading symbols from /usr/lib/debug/usr/lib/firefox/firefox...done. done. (gdb) handle SIG33 noprint nostop Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) run Starting program: /usr/lib/firefox/firefox [Thread debugging using libthread_db enabled] [New Thread 0x7fffe6b6b700 (LWP 4434)] [New Thread 0x7fffe5ded700 (LWP 4435)] [New Thread 0x7fffe51ff700 (LWP 4436)] [New Thread 0x7fffe41d8700 (LWP 4437)] [New Thread 0x7fffe37d4700 (LWP 4438)] [New Thread 0x7fffe2bd3700 (LWP 4439)] [New Thread 0x7fffe1aff700 (LWP 4440)] [New Thread 0x7fffddf39700 (LWP 4441)] [New Thread 0x7fffdd738700 (LWP 4442)] [New Thread 0x7fffdcf37700 (LWP 4443)] [New Thread 0x7fffdc736700 (LWP 4444)] [New Thread 0x7fffdbf35700 (LWP 4445)] [Thread 0x7fffddf39700 (LWP 4441) exited] [Thread 0x7fffdcf37700 (LWP 4443) exited] [Thread 0x7fffdbf35700 (LWP 4445) exited] [New Thread 0x7fffddf39700 (LWP 4446)] [New Thread 0x7fffdcf37700 (LWP 4447)] [New Thread 0x7fffdbf35700 (LWP 4448)] [New Thread 0x7fffd97b6700 (LWP 4449)] [New Thread 0x7fffd8fb5700 (LWP 4450)] [New Thread 0x7fffd7eff700 (LWP 4451)] [New Thread 0x7fffd6ef9700 (LWP 4452)] [New Thread 0x7fffd4dff700 (LWP 4453)] [New Thread 0x7fffd45fe700 (LWP 4454)] ^[[A^[[B[New Thread 0x7fffd3bff700 (LWP 4455)] [New Thread 0x7fffd01ff700 (LWP 4456)] [New Thread 0x7fffcf9fe700 (LWP 4457)] [New Thread 0x7fffcf1fd700 (LWP 4458)] [New Thread 0x7fffce9fc700 (LWP 4459)] /usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: PR_GetVersion backtrace bt full/usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: PR_GetVersion bt full thread apply all backtrace full [Thread 0x7fffcf1fd700 (LWP 4458) exited] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1010208 Title: Firefox 13.0 on Lucid hangs very often, sometimes a JavaScript hang dialog is displayed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1010208/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
