These bugs occur typically in an interrupt context. Do you have a way to reproduce this bug? If so, there is a wiki page[0] that provides some information on gathering more data specific to these type of bugs. If possible can you review the wiki page and gather the additional data listed on that page?
[0] https://wiki.ubuntu.com/Kernel/DebuggingSchedulingWhileAtomic ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/986831 Title: system freezes for some seconds: Attempted to yield the CPU while in atomic or interrupt context To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/986831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
