[LAU] 3.10-rt kernels unusable

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Wed Aug 28 16:02:34 UTC 2013

On 08/27/2013 11:12 PM, Raffaele Morelli wrote:
> 2013/8/28 Fernando Lopez-Lezcano <nando at ccrma.stanford.edu
> <mailto:nando at ccrma.stanford.edu>>
>     On 08/26/2013 02:00 AM, Ralf Mardorf wrote:
>         Hi :)
>         on my machine 3.10.6-rt3 and 3.10.9-rt5 x86_64 don't work properly.
>         Linux 3.10.9 doesn't cause issues. The last kernel-rt I used
>         before the
>         3.10-rt kernels was 3.8.13-rt14, not used for audio production,
>         but for
>         daily desktop usage without issues.
>     Hi Ralf,
>     I'm trying out 3.10.9-rt5 and it does not seem different so far from
>     3.8.13-rt14, which for me had been the best performer I had seen so
>     far. This is on Fedora 17 and 19 and on different computers
>     (desktop, laptop), with everything optimized for audio.
> Did you enable dynticks? 32 or 64?
> I've been experiencing many freezes with 3.10.x

I'm testing only on 64 bit, the configuration is as close as I can get 
it to the normal Fedora kernels. I'm attaching the configuration file 
I'm running in my laptop as I write this.

-- Fernando

PS: grep HZ /boot/config-3.10.9-200.rt5.1.fc19.ccrma.x86_64.rt
# CONFIG_NO_HZ_FULL is not set
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
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