Open Source Automation Development Lab
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2015-03-01 - 16:05

Next OSADL Events:

Automatisierungstreff 2015
24.03. - 26.03.

OSADL Networking Day 2015
20.05.

Breaking News:

2014-11-18 00:00

Linux real-time: New stable release available -

but next one depends on more support from industrial users

[more]
2014-06-15 12:00

Help, my bootloader has no device tree support.

How can I boot a recent kernel?

[more]
2014-06-09 12:00

The deadline scheduler is here ...

Do you know how to use it?

[more]
2014-04-09 12:00

First LCA certificate issued

Major automation provider passed OSADL License Compliance Audit

[more]
2014-02-10 12:00

How to comply with Open Source licenses?

It's easier than you may think!

[more]
2014-01-20 12:00

Good news from OIN

The Linux Defense Department

[more]
go to Archive ->
OSADL Projects

OSADL Project: "Latest Stable" PREEMPT_RT realtime Linux kernel

  • Download kernel, unpack it, download patch, patch the kernel
cd /usr/src/kernels
wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.12.33.tar.bz2
tar -jxf linux-3.12.33.tar.bz2
mv linux-3.12.33 linux-3.12.33-rt47
cd linux-3.12.33-rt47
wget https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patch-3.12.33-rt47.bz2
bzip2 -d patch-3.12.33-rt47.bz2
patch -p1 <patch-3.12.33-rt47
  • Configure the kernel, enable CONFIG_PREEMPT_RT

  • Compile, link and install the kernel 
make
make modules_install install
  • Reboot and select the new kernel

More detailed instruction

HOWTO

How to enable real-time capabilities of the mainline kernel including hints how to check the real-time capabilities of the newly compiled kernel is further explained here.

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