Please reopen. Same issues for me on Ubuntu 12.04 64 bit. Frequent lockups during boot, cannot resume, locks up when brightness changed. T520 + NVidia 4200M 32 bit install of Ubuntu 12.04 is solid, 64 bit install of Ubuntu 12.04 is unusable
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776999 Title: [Lenovo W520] laptop freezes on ACPI-related actions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/776999/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
