I have lately also unsuccessfully tried to install RT_PREEMPT on BBB.
What I have done until now (and failed) is:
A.
1. Get the sources from here:
https://github.com/beagleboard/kernel/tree/3.8-rt
2. Before make command, enable Full Preemption under kernel features
options.
3. Compile. When testing on BBB, the kernel doesn't boot.
B.
1. Get the sources from here:
https://github.com/RobertCNelson/linux-dev/tree/am33x-v3.8
2. ./build_kernel.sh
3. Download the rt patch from here:
https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/patch-3.8.13.14-rt27.patch.bz2into
KERNEL folder
4. patch p1 < patch-3.8.13.14-rt27.patch
5. From here, it turned a little bit weird since approximately 21 HUNKS
failed. Reading this post:
https://groups.google.com/forum/#!topic/beagleboard/aAufDe13SeQ then I
re-edited the .patch file taking away the modifications in cpsw.h and
cpsw.c (lines 5825 to 7346 from .patch file).
6. Then repeated steps 1 through 4 again, but using the edited patch.
7. Use menuconfig to activate Full-Preemption.
8. ./tools/rebuild.sh
9. ./tools/install_kernel.sh (with the modifications in the system.sh
file)
10. Plug the SD card in the BBB. and it never booted.
I have seen the osadl 3.8.12 kernel, but I'm more interested in using the
3.8.13 kernel.
If anyone could give away any ideas, I would be really grateful.
Thank you for your time.
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