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.
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