Here's a full bug report. I hadn't yet installed the firefox debugging symbols, so it might not be great. The stack trace seems clearly implicates the flash plugin. This is on Edgy Eft. about:plugins reports
Shockwave Flash File name: libflashplayer.so Shockwave Flash 9.0 r31 Totem Web Browser Plugin 2.16.2 File name: libtotem-basic-plugin.so The Totem 2.16.2 plugin handles video and audio streams. Helix DNA Plugin: RealPlayer G2 Plug-In Compatible (compatible; Totem) File name: libtotem-complex-plugin.so The Totem 2.16.2 plugin handles video and audio streams. Windows Media Player Plug-in 10 (compatible; Totem) File name: libtotem-gmp-plugin.so The Totem 2.16.2 plugin handles video and audio streams. DivX® Web Player File name: libtotem-mully-plugin.so The Totem 2.16.2 plugin handles video and audio streams. QuickTime Plug-in 7.0 (compatible; Totem) File name: libtotem-narrowspace-plugin.so The Totem 2.16.2 plugin handles video and audio streams. ** Attachment added: "Firefox crash perhaps due to flash" http://librarian.launchpad.net/6459591/_usr_lib_firefox_firefox-bin.1000.crash -- Firefox Unstable (maybe caused by flash plugin) https://launchpad.net/bugs/24728 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs