One update : My two computers are also based on Nvidia chipsets :
AMD (DELL Inspiron 531, with 0RY206 motherboard, Athlon 64 X2 3800+ CPU) : chipset : Nvidia C61 [GeForce 6150SE nforce 430] (rev a2) (same than Greg's) Intel (Packard Bell with ECS MCP73VT-PM motherboard, Intel E2200 CPU) chipset : Nvidia C73 [GeForce 7050 / nForce 610i ] (rev a2) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1176062 Title: System usually crashes when starting Firefox and/or Thunderbird To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1176062/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs