On 04/10/2011 12:08 AM, Jean Delvare wrote: > Hi Darren, > > On Sat, 09 Apr 2011 16:15:45 -0700, Darren Hart wrote: >> On 04/09/2011 01:39 PM, Guenter Roeck wrote: >>> On Sat, Apr 09, 2011 at 12:31:56PM -0400, Jean Delvare wrote: >>>> Recent Xeon processor thermal sensors are supported by the coretemp >>>> driver and not the adm1021 driver. Only one old generation of Xeon >>>> processors (the first Netburst ones) are supported by the adm1021 >>>> driver. >> >> In addition to changing the kernel config help, is there a way to avoid >> loading this driver for non netburst type CPUs? Someway to blacklist >> later CPUs from using this driver? Seems this would make sensors-detect >> and such behave better. > > This is all the other way around. The adm1021 driver doesn't auto-load > on PC systems. The way it usually goes is that sensors-detect will > detect a compatible device, and it will set the adm1021 driver to be > loaded when the lm_sensors service is started. The adm1021 driver, in > turn, tries to detect compatible devices, and bind to them if found. > > So the problem boils down to two related issues: > * The sensors-detect script seemingly misdetected a device on your > system. > * The adm1021 got loaded and misdetected the same device. > Which is expected as in general sensors-detect has the same detection > code as hwmon drivers on the kernel side. > > That being said, this can only be fixed if you provide the full output > of sensors-detect on your system after unloading all hwmon drivers > (stopping the lm_sensors service sometimes do, but not always, depends > on the distribution) and a dump of the misdetected device. This will > confirm the misdetection and hopefully offer a way to avoid it. This system is really throwing me for a loop. After returning from ELC I powered it back up and have been completely unable to get sensors to read anything from w83795 or ipmi-si even. Running sensors-detect (without any hwmon modules loaded) finds only ipmi-si and w83627ehf, but sensors only reports on w83627ehf). I have attached the typescript of the sensors-detect session, but it isn't very interesting. If I stumble across another odd set modules detected, I'll report back to the list. /me scratches head... -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel
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