On Mon, 2015-03-09 at 15:36 +0100, Mike Galbraith wrote: > On Mon, 2015-03-09 at 14:45 +0100, Sebastian Andrzej Siewior wrote: > > * Mike Galbraith | 2015-02-18 12:21:54 [+0100]: > > > > >On Mon, 2015-02-16 at 12:18 +0100, Sebastian Andrzej Siewior wrote: > > > > > >> Known issues: > > >> > > >> - lazy preempt on x86_64 leads to a crash with some load. > > > > > >The below still works for me. (it doesn't make nohz_full actually work > > >in rt, but at least folks who want to tinker with it can do so) > > So your box still crashes without it? > > > > The thing is I tried to reproduce it and it does not occur anymore. > > Neither in KVM nor on real HW. > > Heh, well that's interesting, I just presumed it would still explode > because you said it would. I'll beat on it any let you know if I'm > carrying a placebo patch or not :) Yup, someone made kaboom go away. I was able to easily blow my box out of the water by running tbench + kbuild with nohz_full active. No more. nohz_full doesn't work though, due to an otherwise solo task trying to shut the tick down having just awakened ksoftirqd.. but no more kaboom. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
