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From: Gene Heskett <>
To: LKML <>,
	"linux-rt-users" <>,
	Thomas Gleixner <>,
	Carsten Emde <>, John Kacur <>,
	Sebastian Andrzej Siewior <>,
	Julia Cartwright <>, Daniel Wagner <>,
Subject: Re: [ANNOUNCE] 4.19.72-rt25
Date: Mon, 7 Oct 2019 15:10:05 -0400
Message-ID: <> (raw)
In-Reply-To: <20190916173921.6368cd62@gandalf.local.home>

On Monday 16 September 2019 17:39:21 Steven Rostedt wrote:

> Dear RT Folks,
> I'm pleased to announce the 4.19.72-rt25 stable release.
> **** <NOTE> ****
> As you probably have noticed, it has been a long time since I released
> a stable 4.19-rt. The reason for this delay is that one of my tests
> failed after merging with the latest stable upstream. I refuse to push
> releases with a known bug in it, so I figured I would find the bug
> before releasing. I only spend around 4 to 6 hours a week on upstream
> stable RT as I have other responsibilities, and I could not debug this
> bug during that time (after several weeks of trying).
> The bug is a random NULL pointer dereference that only happens with
> lockdep enabled and on 32bit x86. I also found that this bug existed
> before the latest stable pull release but now it is much easier to
> trigger.
> I have not been able to trigger this bug in the 64 bit kernel, and as
> I rather do a release than waste more time on this bug and postpone
> the release further, I am now doing that. As a consequence, I am no
> longer supporting 32bit x86, as it is known to have this bug.
> If you are interested in this, I am willing to send out the config I
> am using and one of the dmesg crashes. Just ask.
> **** </NOTE> ****
> This release is just an update to the new stable 4.19.72 version
> and no RT specific changes have been made.
> You can get this release via the git tree at:
>   git://
>   branch: v4.19-rt
>   Head SHA1: 9cd04ab6a9a162ac4189a80032261d243563ff45
> Or to build 4.19.72-rt25 directly, the following patches should be
> applied:
Unfortunately, this does not work for the pi3-4 family. When its all 
pulled in and patched, there is no arch/arm/configs bcm2709_defconfig or 
bcm2711_defconfig for either a pi3b or the new pi4b.

I'll go find the 5.2.14 announce and see if its any more complete.
> Enjoy,
> -- Steve

Cheers, Gene Heskett
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <>

  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-16 21:39 Steven Rostedt
2019-10-07 19:10 ` Gene Heskett [this message]
2019-10-07 19:16   ` Gene Heskett
2019-10-09  7:23     ` Alexander Dahl
2019-10-09 10:21       ` Gene Heskett

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