------- Comment From [email protected] 2018-01-31 02:45 EDT------- (In reply to comment #5) > Did this issue start happening after an update/upgrade? Was there a prior > kernel version where you were not having this particular problem? > > Would it be possible for you to test the latest upstream kernel? Refer to > https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.15 > kernel[0]. > > If this bug is fixed in the mainline kernel, please add the following tag > 'kernel-fixed-upstream'. > > If the mainline kernel does not fix this bug, please add the tag: > 'kernel-bug-exists-upstream'. > > Once testing of the upstream kernel is complete, please mark this bug as > "Confirmed". > > Thanks in advance. > > [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15
This patch should fix the issue: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5aa04b3eb6fca63d2e9827be656dcadc26d54e11 Please cherry pick -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746225 Title: [P9,Power NV][WSP][Ubuntu 1804] : "Kernel access of bad area " when grouping different pmu events using perf fuzzer . (perf:) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1746225/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
