Hello Alan On 04/26/2019 11:02 AM, Alan Condit wrote:
I downloaded the Arabian Stretch nightly image Armbian_5.83.190424_Rockpro64_Debian_stretch_dev_5.0.0.7z <https://dl.armbian.com/rockpro64/nightly/Armbian_5.83.190424_Rockpro64_Debian_stretch_dev_5.0.0.7z>. It is running the 5.0.0 kernel (as patched by Armbian. When I ran menuconfig, I had to figure out how to select the full RT preempt. Then I built the linux-stable-rt-4.19.31-rt18 kernel and installed it. At the end of the install the Image link was still pointing to the 5.0.0 kernel but the Initrd link was pointing to the initrd-linux-stable-rt-4.19.31-rt18. So I tried booting it up and it booted the 5.0.0 image, then I went into /boot, deleted the Image link and created a new symbolic link to 4.19.31-rt kernel. Then I tried booting again and it worked. I typed uname -a and it reported the 4.19.31 kernel with full SMP Preempt RT. So, Gene, you could do the same thing for your Rock64 but you need to download the Armbian image for the Rock64 rather than the RockPro64. Don’t ask how I know!!! I compiled the kernel on the RockPro64. I started about 8:00p.m. and it finished sometime after 2:00a.m. and before 7:00a.m. Alan
please, latency test says what? tomp
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