Hi, the same problem on my natty machine. Freezes after higher load with hpet messages in the log before it happens:
$ cat /proc/cpuinfo | grep "model name" model name : AMD Phenom(tm) II X6 1075T Processor model name : AMD Phenom(tm) II X6 1075T Processor model name : AMD Phenom(tm) II X6 1075T Processor model name : AMD Phenom(tm) II X6 1075T Processor model name : AMD Phenom(tm) II X6 1075T Processor model name : AMD Phenom(tm) II X6 1075T Processor $ dmesg|grep hpet [ 0.000000] hpet clockevent registered [ 0.800816] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.800816] hpet0: 3 comparators, 32-bit 14.318180 MHz counter [ 0.802265] Switching to clocksource hpet [ 1.764618] rtc0: alarms up to one month, y3k, 114 bytes nvram, hpet irqs [ 611.573682] CE: hpet increased min_delta_ns to 20113 nsec $ uname -a Linux harfa 2.6.38-11-generic-pae #48-Ubuntu SMP Fri Jul 29 20:51:21 UTC 2011 i686 athlon i386 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/270798 Title: lockups with default (hpet) clocksource on 2.6.27-2-generic 64-bit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/270798/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
