Re: PREEMPT_RT_FULL on x86-32 machine
From: Pavel Machek
Date: Fri Jun 28 2019 - 08:51:24 EST
> > > >Is full preemption supposed to work on x86-32 machines?
> > > >
> > > >Because it does not work for me. It crashes early in boot, no messages
> > > >make it to console. Similar configuration for x86-64 boots ok.
> > > >
> > >
> > > Maybe you can also tell which version(s) you tried, and in which
> > > configuration(s), and how the crash looked like.
> > I wanted to know if the configuration is supposed to work at all
> > before starting heavy debugging. From your reply I assume that it
> > should work.
> > I tried 4.19.13-rt1-cip1 among others. Crash is early in boot, I can
> > try some early printing...
> The latest is v4.19.50-rt22 I would suggest that one. There was a bug
> which was fixed either in 4.19.23-rt14 or in the following version.
> If the latest one does not work please let me know and I will have a
Ok, let me try again. It seems the kernel based on the latest one
works ok. Even suspend/resume works.
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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