Hi all, I am from Canonical's kernel team and currently investigating this issue. In this case, we fixed a bug in RCU mechanism in ubuntu-fan which is a likely cause of this issue. Bug exists on - noble 6.8.0-45 - jammy 5.15.0-122 kernels and will be fixed in the next release (non-esm) cycle.
Meanwhile, for those who are having the problem, I have created an unofficial version of 5.15.0-122 kernel which includes the bug fix: https://launchpad.net/~mehmetbasaran/+archive/ubuntu/linux-5.15.0.122-rcu- fix (Installation and uninstallation instructions are given in ppa's description) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2084023 Title: "rcu: INFO: rcu_sched self-detected stall on" CPU caused by nfs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2084023/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
