On Tue, 18 Nov 2008 10:46:03 -0700, Jordan Crouse wrote: > Nothing scientific. The AMD errata team might know more about it. I > can identify the obviously broken sensors - my athlon X2 system for > example tells me the cores are 7C and 3C respectfully, but I don't know > if you could tell the difference between a well working sensor and a > marginally working sensor, especially with differing work conditions. > The best you could do is to figure out how cold the core could possibly > run, and then omit anything under that. > > You might do a better job if you could compare the core temperature > against the system monitor - they should only differ by a few degrees (I > think there is some math about how much the external and internal diodes > should differ). That said, thats not the sort of math you could do in > the kernel driver, you would need the user land to find the other sensor > and do the calculations. This is the problem: the k8temp driver doesn't have access to other sensors for comparison purposes. Even if it had, it wouldn't know which sensor corresponds to the CPU (this is motherboard-specific.) So while this can be used by the user to determine whether his CPU sensors are working or not, this cannot be used as a way to automatically discard CPUs with broken sensors. -- Jean Delvare
