From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carsten Emde Subject: Re: [ANNOUNCE] 3.12.8-rt11 Date: Mon, 27 Jan 2014 05:54:31 +0100 Message-ID: <52E5E687.1090808@osadl.org> References: <20140125134519.GA9845@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: LKML , Thomas Gleixner , rostedt@goodmis.org, John Kacur To: Sebastian Andrzej Siewior , linux-rt-users Return-path: In-Reply-To: <20140125134519.GA9845@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org On 01/25/2014 02:45 PM, Sebastian Andrzej Siewior wrote: > Dear RT folks! > > I'm pleased to announce the v3.12.8-rt11 patch set. > [..] Thanks a lot, Sebastian, excellent work! I have upgraded about 40 different QA Farm systems (x86: 32-bit, 64-bit, single-core, multi-core 2 to 32, single-socket, dual-socket; ARM: single-core, multi-core), and they all boot and run without any problem. I didn't see any crash of unknown origin so far. Most systems use the original kernel besides some unimportant farm patches. Several systems have a worst-case latency below 20 microseconds (e.g. https://www.osadl.org/?id=1420 and https://www.osadl.org/?id=1805). Even Raspberry Pi and BeagleBone-Black work like a charm and have reasonably low real-time latency (https://www.osadl.org/?id=1663 and https://www.osadl.org/?id=1601), although they still are not 100% mainline. It is well conceivable that this or one of the next 3.12.X-rtY versions will remind us of the legendary 2.6.33 RT kernel. Seems that an important milestone is being reached. Thanks, -Carsten.