Public bug reported: MIT is switching its standard recommended desktop configuration from the Dell Optiplex 755 which has reached end of life to the new Dell Optiplex 760.
Unfortunately there seems to be a nasty kernel bug around HPET. Repeat by: Boot today's Jaunty Live CD. (I used 3/24/09 and also as another test 1/13/09) Select your language Choose "Try Ubuntu..." Actual results: Blank screen Expected results: Working Jaunty. Work-around: Select option ACPI=off ---- We know from other bug reports for example, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=515975 that there is a problem with HPET. That debian bug requests incorporation of a one-line kernel change that changes an oops message from displaying on every clock tick to one that only appears once. It does not, however get HPET working. This problem manifests under Intrepid with much spewage of kernel oops messages and/or terribly slow operation. Again the work-around of of turning off ACPI seems to help. The hardware has ICH10 motherboard chips. How new are they? Also I see a report that the PNP-BIOS is not working, but I do not know if this is relevant. ** Affects: ubuntu Importance: Undecided Status: New -- Jaunty will not boot on Dell Optiplex 760 unless acpi=off 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
