The following error could also indicate that your kernel doesn't have the required tracepoints.
ureadahead: Error while tracing: No such file or directory If you're not running a stock Ubuntu kernel you will need a patch [1] (worked on my 4.14 Debian kernel). Unfortunately, these trace events will not be upstreamed [2]. [1] http://kernel.ubuntu.com/git/ubuntu/ubuntu- xenial.git/commit/?h=hwe&id=7744c33fdad887074a481fd4d21ccb6670ac62e6 [2] https://patchwork.kernel.org/patch/9254717/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1237042 Title: ureadahead source needs "tracing_enabled" changed to "tracing_on" for 12.04.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ureadahead/+bug/1237042/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
