Here is the mainline kernel dmesg output with the APIC option disabled in the bios. Seems stable again (using it now), but again only 1 core of 4 core CPU.
** Attachment added: "dmesg_mainline1_noapic.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/659705/+attachment/1690267/+files/dmesg_mainline1_noapic.txt -- hard lock (hang) after a few minutes with APIC enabled https://bugs.launchpad.net/bugs/659705 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