From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joakim Hernberg <jbh@alchemy.lu>
Subject: Re: WAS: linux-rt fails to boot on > 3.12.5.-rt7 ... NOW IS:
 linux-rt-3.14 boots by reverting patches + nvidia uses __rt_mutex_init
 [which in 3.14 has been changed to EXPORT_SYMBOL_GPL]
Date: Tue, 20 May 2014 20:36:55 +0200
Message-ID: <20140520203655.307d2e38@tor.valhalla.alchemy.lu>
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Cc: linux-rt-users@vger.kernel.org,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	jordan <triplesquarednine@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Ralf Mardorf <ralf.mardorf@alice-dsl.net>
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On Mon, 19 May 2014 21:02:09 +0200
Ralf Mardorf <ralf.mardorf@alice-dsl.net> wrote:

> On Mon, 2014-05-19 at 17:16 +0200, Joakim Hernberg wrote:
> > If you are still on archlinux, try the new 3.14.3-rt5 kernel that
> > I've uploaded to the AUR and to the binary archaudio-production
> > repo.  This one has 3 patches reverted, and all of NO_HZ disabled.
> > Apparently this makes it work on some AMD cpus that have had
> > problem booting recent -rt kernels.
> 
> I tried both rt-lts and rt from the repo, not from AUR, for a x86_64
> install.
> 
> $ pacman -Q linux-rt-lts
> linux-rt-lts 3.10.39_rt40-1
> 
> I only tried to boot it one time.
> Startup finished with a black screen, the display manager wasn't
> visible.
> 
> $ pacman -Q linux-rt
> linux-rt 3.14.3_rt5-1
> 
> The first time I booted it, a restart happened during startup.
> The second time I booted it, startup hung.
> 

If so I have no idea...  Maybe ask Jordan, as he has been having a
similar problem with AMD.  Maybe try his linux-l-pa kernel from the AUR.

-- 

   Joakim