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[Bug 1519634] Re: [Bug]coretemp driver does not support more than 32 cores/socket

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>
Date: Thu, 17 Mar 2016 19:58:09 -0000
Reply-to: Bug 1519634 <1519634@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Information type changed from Proprietary to Public

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => Fix Released

** Changed in: intel
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1519634

Title:
  [Bug]coretemp driver does not support more than 32 cores/socket

Status in intel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  Currently, coretemp driver supports up to 32 cores/socket, while KNL has up to 72 of them, in which case, the following error is printed when coretemp driver is initialized on KNL:
  [   23.399792] coretemp coretemp.0: Adding Core 1 failed
  [   23.399806] coretemp coretemp.0: Adding Core 2 failed
  [   23.399813] coretemp coretemp.0: Adding Core 3 failed
  [   23.399819] coretemp coretemp.0: Adding Core 4 failed
  [   23.399825] coretemp coretemp.0: Adding Core 5 failed
  etc

  Platform: KNL

  This is fixed in 4.4 kernel with:
  cc904f9 hwmon: (coretemp) Increase limit of maximum core ID from 32 to 128.

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