I have the same problem on a Apple Mac Pro 2Ghz in i386 and amd64 2.20.13-xx and 2.20.14-xx kernels. All is running in well in 2.20.12 kernel series.
-- Kernel 2.6.20-13 acpi bug https://bugs.launchpad.net/bugs/96480 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs