Public bug reported: [Impact] proc_thermal_pci 0000:00:04.0: failed to add RAPL MMIO interface
[Fix] In https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2095554, the issue was supposed to be fixed by cherry-pick the patchset from upstream linux: 1. 91e8f835a7ed powercap: intel_rapl_tpmi: Fix bogus register reading 2. 99ca0b57e49f thermal: intel: int340x: processor: Fix warning during module unload 3. 1d390923974c powercap: intel_rapl_tpmi: Ignore minor version change 4. f517ff174ab7 powercap: intel_rapl_msr: Add PL4 support for Arrowlake-U 5. bfc6819e4bf5 thermal: intel: int340x: processor: Remove MMIO RAPL CPU hotplug support 6. 3fb0eea8a1c4 thermal: intel: int340x: processor: Add MMIO RAPL PL4 support However, there is still one patch left to be merged so the issue will be finally gone: 3cc83aeea0cd thermal: intel: int340x: processor: Enable MMIO RAPL for Panther Lake [Test Plan] 1. Install Ubuntu image and boot into the OS 2. Check the dmesg if there is `proc_thermal_pci 0000:00:04.0: failed to add RAPL MMIO interface` [Where problems could occur] May cause regression. ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-6.11 (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Affects: linux-oem-6.11 (Ubuntu Noble) Importance: Undecided Assignee: En-Wei Wu (rickywu) Status: In Progress ** Tags: jira-somerville-1672 oem-priority somerville ** Also affects: linux-oem-6.11 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.11 (Ubuntu Noble) Importance: Undecided Status: New ** Changed in: linux-oem-6.11 (Ubuntu Noble) Assignee: (unassigned) => En-Wei Wu (rickywu) ** Changed in: linux-oem-6.11 (Ubuntu Noble) Status: New => In Progress ** Tags added: jira-somerville-1672 oem-priority somerville -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2100820 Title: proc_thermal_pci 0000:00:04.0: failed to add RAPL MMIO interface (2) Status in HWE Next: New Status in linux package in Ubuntu: New Status in linux-oem-6.11 package in Ubuntu: New Status in linux source package in Noble: New Status in linux-oem-6.11 source package in Noble: In Progress Bug description: [Impact] proc_thermal_pci 0000:00:04.0: failed to add RAPL MMIO interface [Fix] In https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2095554, the issue was supposed to be fixed by cherry-pick the patchset from upstream linux: 1. 91e8f835a7ed powercap: intel_rapl_tpmi: Fix bogus register reading 2. 99ca0b57e49f thermal: intel: int340x: processor: Fix warning during module unload 3. 1d390923974c powercap: intel_rapl_tpmi: Ignore minor version change 4. f517ff174ab7 powercap: intel_rapl_msr: Add PL4 support for Arrowlake-U 5. bfc6819e4bf5 thermal: intel: int340x: processor: Remove MMIO RAPL CPU hotplug support 6. 3fb0eea8a1c4 thermal: intel: int340x: processor: Add MMIO RAPL PL4 support However, there is still one patch left to be merged so the issue will be finally gone: 3cc83aeea0cd thermal: intel: int340x: processor: Enable MMIO RAPL for Panther Lake [Test Plan] 1. Install Ubuntu image and boot into the OS 2. Check the dmesg if there is `proc_thermal_pci 0000:00:04.0: failed to add RAPL MMIO interface` [Where problems could occur] May cause regression. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2100820/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp