------- Comment From dougm...@us.ibm.com 2017-08-23 08:45 EDT------- I tried running 4.13-rc6 with "cfq" set as default scheduler. The problem is even worse. I/O delays show up almost immediately. Many exceed the HTX 10-minute limit. It seems that CFQ is even more broken on the latest kernels.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709889 Title: Ubuntu 17.04: Bug in cfq scheduler, I/Os do not get submitted to adapter for a very long time. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1709889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs