linux-kernel - Re: PREEMPT_RT_FULL on x86-32 machine

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Message-ID: <20190624105340.GA21414@amd>
Date:   Mon, 24 Jun 2019 12:53:40 +0200
From:   Pavel Machek <pavel@....cz>
To:     Jan Kiszka <jan.kiszka@...mens.com>
Cc:     linux-rt-users@...r.kernel.org,
        kernel list <linux-kernel@...r.kernel.org>, mwhitehe@...hat.com
Subject: Re: PREEMPT_RT_FULL on x86-32 machine

Hi!

> >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...

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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