Same problem here, maybe is a Nvidia only problem, since I can not reproduce it on the laptop (Intel graphic card). This happens with *any* application (thunderbird, amarok, firefox...) after a few minutes of work.
$ lscpu Architecture: i686 CPU op-mode(s): 32-bit, 64-bit CPU(s): 2 Thread(s) per core: 2 Core(s) per socket: 1 CPU socket(s): 1 Vendor ID: GenuineIntel CPU family: 15 Model: 4 Stepping: 3 CPU MHz: 2800.000 L1d cache: 16K L2 cache: 2048K $ lspci|grep VGA 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 4000] (rev c1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/787859 Title: Xorg memory usage/leak -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
