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:0.025 / U:221.360 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site