I've had the exact issues as described by databubble in comment #39. For me I've found if I turn off my wireless card I no longer get any freezes (uptime so far of 1 day and 17 hours).
My card using the Realtek driver: Realtek Semiconductor Co., Ltd. Device 8172 (rev 10) -- Ubuntu 10.04 random freezes https://bugs.launchpad.net/bugs/585765 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