Public bug reported: == Comment: #0 - Kalpana Shetty <kalsh...@in.ibm.com> - 2020-01-29 22:46:37 == ---Problem Description--- [Ubu 20.04][kernel-5.4.0-12-generic] debugfs: Directory 'imc' with parent 'powerpc' already present! lot of messages logged while booting ---uname output--- root@ltc-wcwsp3:~# uname -a Linux ltc-wcwsp3 5.4.0-12-generic #15-Ubuntu SMP Tue Jan 21 17:56:24 UTC 2020 ppc64le ppc64le ppc64le GNU/Linux Machine Type = Witherspoon DD2.3 Test Environment: Hardware: Witherspoon-DD2.3 Ubuntu 20.04 kernel: 5.4.0-12-generic #15-Ubuntu
Steps: 1. Install Ubu 20.4 2. reboot the system and seen lot of imc related messages thrown on screen while booting Console screen snippet... SIGTERM received, booting... [ 24.812366] kexec_core: Starting new kernel [ 1.852437] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852538] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852642] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852727] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852807] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852895] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.852969] debugfs: Directory 'imc' with parent 'powerpc' already present! [ 1.853043] debugfs: Directory 'imc' with parent 'powerpc' already present! .... .... OS booted successfully. == Comment: #1 - Kalpana Shetty <kalsh...@in.ibm.com> - 2020-01-29 22:48:26 == == Comment: #2 - Kalpana Shetty <kalsh...@in.ibm.com> - 2020-01-29 22:55:18 == == Comment: #3 - Kalpana Shetty <kalsh...@in.ibm.com> - 2020-01-29 22:56:21 == == Comment: #7 - MAMATHA INAMDAR <mainam...@in.ibm.com> - 2020-01-30 00:44:27 == Hello Canonical, Please Integrate following patches to fix this issue (In reply to comment #5) > > > This patch is upstream accepted as git commit > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ > ?id=48e626ac85b43cc589dd1b3b8004f7f85f03544d > ("powerpc/powernv: Avoid re-registration of imc debugfs directory") > > Thanks, > Anju > we may need this patch also: > "[PATCH v2] powerpc/imc: Dont create debugfs files for cpu-less nodes" > and > which is now upstream accepted in the powerpc tree as git commit > https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/ > ?h=next-test&id=41ba17f20ea835c489e77bd54e2da73184e22060 > -Anju ** Affects: ubuntu-power-systems Importance: High Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) Status: Triaged ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Canonical Kernel Team (canonical-kernel-team) Status: New ** Tags: architecture-ppc64le bugnameltc-183533 severity-high targetmilestone-inin2004 ** Tags added: architecture-ppc64le bugnameltc-183533 severity-high targetmilestone-inin2004 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861379 Title: [Ubu 20.04][kernel-5.4.0-12-generic] debugfs: Directory 'imc' with parent 'powerpc' already present! lot of messages logged while booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1861379/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
