Description of problem: Doing a 'modprobe coretemp' on dell-per210-01.lab.bos.redhat.com, a system with CPU family=6 and model=30, and installed with RHEL5.6 that includes the patch submitted for bug 559228, results in console errors that indicate a failure to get the proper TjMax value. I've also seen this failure on dell-per710-01.lab.bos.redhat.com, which is a system with CPU family=6 and model=26. Version-Release number of selected component (if applicable): kernel-2.6.18-194.el5 How reproducible: Always. Steps to Reproduce: 1. modprobe coretemp Actual results: (on dell-per210-01.lab.bos.redhat.com which has 8 CPUs (family=6 and model=30). [root@dell-per210-01 ~]# modprobe coretemp coretemp coretemp.0: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.1: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.2: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.3: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.4: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.5: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.6: Unable to access MSR 0xEE, for Tjmax, left at default coretemp coretemp.7: Unable to access MSR 0xEE, for Tjmax, left at default [root@dell-per210-01 ~]# Expected results: Getting the proper TjMax value from MSR should not fail. The upstream patch as it is currently produces the following results on dell-per210-01.labs.bos.redhat.com. [root@dell-per210-01 ~]# modprobe coretemp coretemp : The TjMax is 99 [root@dell-per210-01 ~]# Additional info: A two-patch patchset has been submitted upstream to lm-sensors by huaxu.wan that addresses this problem. (See http://lists.lm-sensors.org/pipermail/lm-sensors/2010-March/027967.html) This patchset has not been accepted yet.
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
The patchset posted by huaxu.wan @linux.intel.com to lm-sensors has been accepted into linux-2.6: http://git.kernel.org/linus/5db47b009d17d69a2f8d84357e7b24c3e3c2edec http://git.kernel.org/linus/a321cedb12904114e2ba5041a3673ca24deb09c9
in kernel-2.6.18-211.el5 You can download this test kernel from http://people.redhat.com/jwilson/el5 Detailed testing feedback is always welcomed.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2011-0017.html