> Am 12.08.2016 um 05:30 schrieb John Kasunich <[email protected]>: > > > > On Sun, Jul 31, 2016, at 10:42 PM, Charles Steinkuehler wrote: >> Sorry about your issues. I'm 99.9% sure you're hitting an ARM SoC >> issue. On the ARM in general and the BBB specifically, the GPIO banks >> are not enabled at power-up. If you do not export a GPIO pin from a >> bank (and there are four unique GPIO banks for the BBB), it will not >> be powered on or have a clock routed to it, so any accesses to the >> physical address of the GPIO bank will cause a bus exception. > > That is exactly what was happening. > > I've written and tested a patch that prevents the crash and gives > a meaningful error message in this situation. > https://github.com/jmkasunich/linuxcnc/commit/aae652ee94f2000e2b9c626723afeb647b856615 > > I also found a minor typo in the data for P8 pin 6. Apparently nobody > noticed because that pin is shared with the MMC interface and rarely > or never gets used as GPIO. Patch to fix: > https://github.com/jmkasunich/linuxcnc/commit/8ae1d7e8bd92914fb490bdea8cf966a445d3592e > > I can't submit regular pull requests because of a github idiosyncrasy: > I'm working in a personal fork of LinuxCNC/linuxcnc (they can now > build for the beaglebone). Because Github considers machinekit to > be a fork of linuxcnc, it won't let me have personal forks of both repos. > > Hopefully someone in the machinekit project can pull and merge these > commits.
The 'forked from' attribute is not relevant as is the repo name you'd go about it like so: cd <local clone of https://github.com/jmkasunich/linuxcnc> git remote add machinekit https://github.com/machinekit/machinekit git checkout -b work machinekit/master git cherry-pick aae652ee94f2000e2b9c626723afeb647b856615 git cherry-pick 8ae1d7e8bd92914fb490bdea8cf966a445d3592e now your two patches are ontop of machinekit/master: try 'git log work' git push origin work:work now prepare a PR against machinekit/machinekit from https://github.com/jmkasunich/linuxcnc branch work -m > > -- > John Kasunich > [email protected] > > -- > website: http://www.machinekit.io blog: http://blog.machinekit.io github: > https://github.com/machinekit > --- > You received this message because you are subscribed to the Google Groups > "Machinekit" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > Visit this group at https://groups.google.com/group/machinekit. > For more options, visit https://groups.google.com/d/optout. -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
