I don't think thats the issue, as this is occurring for me on a processor with the cmov instruction.
vendor_id : GenuineIntel cpu family : 6 model : 26 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz stepping : 5 flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca ****cmov**** pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dts tpr_shadow vnmi flexpriority ept vpid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/626622 Title: daily maverick live cd won't boot with acpi on To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/626622/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs