I have exactly the same Acer TravelMate 634 as the original poster. My system behaved exactly the same. I was able to stop the hanging by using the kernel parameter nohz=off (no other acpi/apic related parameters). I hope this helps.
-- ACPI: system hangs, Travelmate 634 https://bugs.launchpad.net/bugs/250797 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
