I am seeing a similar issue where my machine will lock up randomly. It is a T61 with an nvidia video card and atheros wireless.
I have installed the linux-backports-modules package to see if it helps (since it worked for the intel cards, https://bugs.launchpad.net/ubuntu/+source/linux-backports- modules-2.6.27/+bug/276990) hardware info attached. ** Attachment added: "lsmod.log" http://launchpadlibrarian.net/18825991/lsmod.log -- Madwifi (atheros) driver malfunction induces a system freeze (Hardy) https://bugs.launchpad.net/bugs/276445 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs