On Mon, Sep 07, Frederic Weisbecker wrote: > On Mon, Sep 07, 2009 at 12:20:50PM +0200, Jan Blunck wrote: > > On Sat, Sep 5, 2009 at 5:06 PM, Arnaldo Carvalho de Melo<acme@xxxxxxxxxx> wrote: > > > > > > I did a quick port to tip/rt/head and couldn't reproduce the problems I > > > was experiencing, thanks! > > > > > > I've put the ported patch series at: > > > > > > http://userweb.kernel.org/~acme/rostedt-rb-rt > > > > > > > Nice, this also seems to fix my problem with the hanging wakup > > selftest. At least the system continues to boot. However, I still get > > this: > > > > [ 13.739115] Testing tracer sched_switch: PASSED > > [ 14.002071] Testing tracer function: PASSED > > [ 14.158816] Testing dynamic ftrace: PASSED > > [ 14.512524] Testing tracer irqsoff: PASSED > > [ 14.693519] Testing tracer preemptoff: PASSED > > [ 14.853519] Testing tracer preemptirqsoff: PASSED > > [ 15.013506] Testing tracer wakeup: > > [ 15.134004] hrtimer: interrupt too slow, forcing clock min delta to > > 27508383 ns > > > > Ah, Ulrich Lukas also reported me such warnings. I would like to > track the reason of these messages (the hrtimer hanging detection > seems to warn too early). > > Could you please send me your config, I hope I could reproduce it. > I only see that on one of my systems, a 32 core Opteron and not on my 8 core. So it seems that size does matter ...
Attachment:
hrtimer-slow.config
Description: application/config
