Good news! Dell has released an updated BIOS that remedies the problem. Rev A03 for the Dell Optiplex 760 can be found at:
http://ftp.us.dell.com/bios/O760-A03.EXE I have updated my test system to this revision, and confirmed that HPET interrupts now correctly reach the Linux kernel with C states enabled. This bug can now be CLOSED. -- Jaunty will not boot on Dell Optiplex 760 unless hpet=disable https://bugs.launchpad.net/bugs/348694 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
