Comment 6 for bug 96592

I am running Ubuntu 8.04 amd64 with kernel 2.6.27-2-generic and am still seeing this issue.

Hardware: MSI K9VGM-V mainboard, AMD Athlon X2 5200+

Sep 2 18:30:03 jjg-linux kernel: [34971.601129] powernow-k8: Hardware error - pending bit very stuck - no further pstate changes possible
Sep 2 18:30:03 jjg-linux kernel: [34971.602955] powernow-k8: transition frequency failed
Sep 2 18:30:12 jjg-linux kernel: [34980.056013] powernow-k8: failing targ, change pending bit set

The last message was repeated very frequently for almost 45 minutes (the machine was under a load at the time). I then got the following at the end:

Sep 2 19:12:33 jjg-linux kernel: [37520.820036] powernow-k8: error - out of sync, fix 0x2 0xe, vid 0x8 0x8

The machine locked up sometime after that and required a hard reset.