On 2020-02-02 17:02, Jon Elson wrote:
On 02/02/2020 06:32 PM, Sebastian Kuzminsky wrote:
So the problem started right after you upgraded to the new RTAI kernel?
That's where I'd look for a problem first.
OHHHHhhh! I NEVER, EVER, update the kernel on a LinuxCNC system. In
fact, I NEVER update the kernel on
ANY Linux system that has any custom or special drivers on it, as then
the drivers can get out of sync
with the kernel.
If you want a new kernel for some reason, then it is best to just
re-install the whole system.
My problem started AFTER I used 'apt --fix-broken install'. Since then,
I have nothing that worked. I used linuxcnc for at least a month after
I started using the git build.+
History, Starting in late November and early December:
1. Install stretch
2. Upgrade to buster, as noted in earlier posts.
3. Git clone ...
4. Install depends
5. configure and build.
After this, I DID NOT upgrade the kernel. linuxcnc worked OK, for at
least a month.
===== New Installation of linuxcnc ====================================
I installed linuxcnc 'stretch' from the iso. 'Wheezy' has too much jitter.
I installed a new disk drive and installed to it. After the install, I
upgraded linuxcnc from 1:2.7.14 to 1:2.7.15 via apt.
Linuxcnc 1:2.7.15 'wheezy' works fine.
Max Jitter:
Servo 4727
Base 8773
Tom Dean
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