I seem to have seen this one already. On Tue, Apr 8, 2008 at 8:23 PM, cwillu <[EMAIL PROTECTED]> wrote: > Is it possible to disable the group scheduler completely (both > FAIR_CGROUP and FAIR_USER off)? > > > Otherwise I really suspect the current config is going to cause varied > minor but widespread issues. Your printer requires a software > rasterizer? The desktop will get laggy when you print. Copying some > big files to another machine via nautilus sftp://? The sshd process > will start hurting interactivity. Nicing doesn't help either of those > cases. Try using /sys/kernel/uids/*/cpu_share instead? (and do we > really expect users to figure that out?) Oops, now xorg doesn't get > enough processor time to keep the gui running smoothly, but only if > you're using certain video chipsets that have Xorg drivers that don't > off-load certain tasks to the videocard. All issues I've run into > since updating to hardy (after using cfs and ck's sd and staircase > schedulers for years alongside stock ubuntu and mainline kernels, > without any of these issues). :) > > > Nicing apt and updatedb no > longer does the obvious thing, while cpu_share ends up being far too > broad: either apps get choppy because they can't run, or they get > choppy because Xorg can't run. > > > Don't get me wrong, I _very_ happy that we're finally running a cfs > kernel by default, but I'd be surprised if I've exhaustively > enumerated all the interactions caused by what seems to be an > afterthought. > > > I can't think of any workload other than a server where a simple uid > based approach would be close to the right thing, and yet here we are, > with the server install being the only x86 kernel with the ability to > do anything but the uid approach, and the known regressions in the > generic kernel not being fixed because of non-specific concerns of > regressions, caused by, what, reverting to the old behaviour? > > > > -- > Kernel should use CONFIG_FAIR_CGROUP_SCHED > https://bugs.launchpad.net/bugs/188226 > You received this bug notification because you are a direct subscriber > of the bug. >
-- Kernel should use CONFIG_FAIR_CGROUP_SCHED https://bugs.launchpad.net/bugs/188226 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs