Hello John, Sorry for the delay. I will CC the mailing list. > I may well be mistaken but it is my belief that K8temp cannot report > correct on-die temperatures because of a design fault with the 0Fh > series of Athlon64x2 chip. (See the end of this email for possible > evidence) Yes I know about that, so far only one case was spotted by me. > If you already know this, please do not bother to read on, though if > you could tell me of a fix I would very much like to know!! Well I think this is HW bug. > > Here's what my system does under Ubuntu 7.04 > > > K8temp correctly reports the four 'temperatures' as > > Register 0xe4= K8temp reports > > 3a Core0 Temp: +4?C > 7a Core0 Temp: -9?C > 3e Core1 Temp: +9?C > 7e Core1 Temp: +1?C > > raw data drawn from a PCI inspection ..... > > $ sudo setpci -s 00:18.3 e4.B=7a So you are not setting this as the reg value but this is just a result (7a) > $ sudo lspci -s 00:18.3 -xxx > 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control > e0: 00 00 00 00 7a 20 28 00 19 17 00 00 00 00 00 00 > > $ sudo setpci -s 00:18.3 e4.B=7e > $ sudo lspci -s 00:18.3 -xxx > 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control > e0: 00 00 00 00 7e 20 32 00 19 17 00 00 00 00 00 00 > > $ sudo setpci -s 00:18.3 e4.B=3e > $ sudo lspci -s 00:18.3 -xxx > 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control > e0: 00 00 00 00 3e 20 3a 00 19 17 00 00 00 00 00 00 > > $ sudo setpci -s 00:18.3 e4.B=3a > $ sudo lspci -s 00:18.3 -xxx > 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control > e0: 00 00 00 00 3a 20 35 00 19 17 00 00 00 00 00 00 > > > And here is the CPU ID data > > $ cpuid > eax in eax ebx ecx edx > 00000000 00000001 68747541 444d4163 69746e65 > 00000001 00060fb1 01020800 00002001 178bfbff > 80000000 80000018 68747541 444d4163 69746e65 > 80000001 00060fb1 000008cb 0000011f ebd3fbff > 80000002 20444d41 6c687441 74286e6f 3620296d > 80000003 32582034 61754420 6f43206c 50206572 > 80000004 65636f72 726f7373 30363320 00002b30 > 80000005 ff08ff08 ff20ff20 40020140 40020140 > 80000006 00000000 42004200 02008140 00000000 > 80000007 00000000 00000000 00000000 0000007f > 80000008 00003028 00000000 00000001 00000000 > 80000009 00000000 00000000 00000000 00000000 > 8000000a 00000001 00000040 00000000 00000002 > 8000000b 00000000 00000000 00000000 00000000 > 8000000c 00000000 00000000 00000000 00000000 > 8000000d 00000000 00000000 00000000 00000000 > 8000000e 00000000 00000000 00000000 00000000 > 8000000f 00000000 00000000 00000000 00000000 > 80000010 00000000 00000000 00000000 00000000 > 80000011 00000000 00000000 00000000 00000000 > 80000012 00000000 00000000 00000000 00000000 > 80000013 00000000 00000000 00000000 00000000 > 80000014 00000000 00000000 00000000 00000000 > 80000015 00000000 00000000 00000000 00000000 > 80000016 00000000 00000000 00000000 00000000 > 80000017 00000000 00000000 00000000 00000000 > 80000018 00000000 00000000 00000000 00000000 > > Vendor ID: "AuthenticAMD"; CPUID level 1 Well did sensors-detect found any other sensors? Does this bogus temperature change and when you load CPU? Thanks for the information, Rudolf
