lkml.org 
[lkml]   [2011]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ANNOUNCE] 3.0-rt4
On Thu, 28 Jul 2011, Paul E. McKenney wrote:

> On Thu, Jul 28, 2011 at 07:43:43PM +0200, Thomas Gleixner wrote:
> >
> > On Thu, 28 Jul 2011, Paul E. McKenney wrote:
> >
> > > On Wed, Jul 27, 2011 at 11:37:09PM +0200, Thomas Gleixner wrote:
> > > > Dear RT Folks,
> > > >
> > > > I'm pleased to announce the 3.0-rt4 release.
> > >
> > > 3.0-rt5 boots single-CPU under KVM on a 32-bit laptop. Also with "-smp
> > > 2". It even survived a minute or so of rcutorture in both cases. ;-)
> > >
> > > Some weirdness with interactivity -- if the system is idle aside from
> > > rcutorture, the rcutorture.stat_interval console messages don't come
> > > out unless I hit "enter" on the console. But if I run "top", they do
> > > come out regularly. Might well be KVM's fault, except that running
> > > rcutorture on non-rt kernels doesn't exhibit this behavior.
> >
> > Nah, that's my lazy "avoid printing from atomic context" hack :)
>
> Well, then, that does seem to be working... ;-)
>
> Except that these printk()s are from process level -- rcu_torture_stats()
> in kernel/rcutorture.c.
>
> > > I guess I should try RCU_BOOST=y, then...
> >
> > Good luck :)
>
> Compiled without error and has been running rcutorture smp=2 for
> about 30 minutes now.

Hmm, perhaps it was some weird interaction with NOHZ which is a
separate issue.

Thanks,

tglx


\
 
 \ /
  Last update: 2011-07-28 21:07    [W:0.091 / U:0.344 seconds]
©2003-2014 Jasper Spaans. Advertise on this site