2014-01-11 20:26:01

by Joakim Hernberg

[permalink] [raw]
Subject: Re: [ANNOUNCE] 3.12.6-rt9

On Fri, 27 Dec 2013 21:00:24 +0100
Nicholas Mc Guire <[email protected]> wrote:

> On Mon, 23 Dec 2013, Sebastian Andrzej Siewior wrote:
>
> > Dear RT folks!
> >
> > I'm pleased to announce the v3.12.6-rt9 patch set.
> >
> > Changes since v3.12.6-rt8
> <snip>
> > - A patch from Thomas Gleixner not to raise the timer softirq
> > unconditionally (only if a timer is pending)
> >
>
> This one seems to deadlock early in the boot sequence on x86
> (i3/i7/Phenom-4x here and Carsten Emde also had boot failures)

This patch seems to frequently make the kernel hang hard early in the
boot process on my i7-2600k too. Reverting
timers-do-not-raise-softirq-unconditionally.patch appears to fix the
problem.

--

Joakim