Public bug reported: Problem Description =============================== EPOW related RTAS event messages in kernel logs
Machine Type = POWER8 Steps to Reproduce ============================= 1) Install Ubuntu14.04 on a Power VM LPAR. 2) Post reboot following events are logged into dmesg & /var/log/syslog [216112.739470] Non critical power or cooling issue cleared [216122.992606] RTAS: event: 187589, Type: EPOW, Severity: 1 [216122.992609] Non critical power or cooling issue cleared [216129.240731] RTAS: event: 187590, Type: EPOW, Severity: 1 [216129.240733] Non critical power or cooling issue cleared [216141.612689] RTAS: event: 187591, Type: EPOW, Severity: 1 [216141.612691] Non critical power or cooling issue cleared [216147.830578] RTAS: event: 187592, Type: EPOW, Severity: 1 [216147.830580] Non critical power or cooling issue cleared [216158.334408] RTAS: event: 187593, Type: EPOW, Severity: 1 [216158.334410] Non critical power or cooling issue cleared [216199.883138] RTAS: event: 187594, Type: EPOW, Severity: 1 [216199.883140] Non critical power or cooling issue cleared [216244.596335] RTAS: event: 187595, Type: EPOW, Severity: 1 [216244.596337] Non critical power or cooling issue cleared [216250.853514] RTAS: event: 187596, Type: EPOW, Severity: 1 [216250.853516] Non critical power or cooling issue cleared [216263.319986] RTAS: event: 187597, Type: EPOW, Severity: 1 [216263.319989] Non critical power or cooling issue cleared [216271.438925] RTAS: event: 187598, Type: EPOW, Severity: 1 The log is filled with several such messages along with RTAS: event: 13884, Type: Platform Error, Severity: 2 RTAS: event: 13885, Type: Platform Error, Severity: 2 RTAS: event: 13886, Type: Platform Error, Severity: 2 RTAS: event: 13887, Type: Platform Error, Severity: 2 RTAS: event: 13888, Type: Platform Error, Severity: 2 RTAS: event: 13889, Type: Platform Error, Severity: 2 RTAS: event: 13890, Type: Platform Error, Severity: 2 RTAS: event: 13891, Type: Platform Error, Severity: 2 Regrads Praveen == Comment: #2 - VASANT HEGDE <[email protected]> - == Below upstream patch fixes this issue..I believe this will apply cleanly on top of Ubuntu 14.04.04 kernel. commit b4af279a7cba5cc1f665485e8ecdf272f1ba0cc5 Author: Vipin K Parashar <[email protected]> Date: Tue Dec 1 16:43:42 2015 +0530 powerpc/pseries: Limit EPOW reset event warnings Kernel prints respective warnings about various EPOW events for user information/action after parsing EPOW interrupts. At times below EPOW reset event warning is seen to be flooding kernel log over a period of time. ** Affects: ubuntu Importance: Undecided Assignee: Taco Screen team (taco-screen-team) Status: New ** Tags: architecture-ppc64le bugnameltc-136190 severity-high targetmilestone-inin--- ** Tags added: architecture-ppc64le bugnameltc-136190 severity-high targetmilestone-inin--- ** Changed in: ubuntu Assignee: (unassigned) => Taco Screen team (taco-screen-team) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1539102 Title: EPOW related RTAS event messages in kernel logs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1539102/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
