Well, that is the difference between theory and reality. Perhaps the RT patch is causing a race condition that isn’t present when the BKL is used. I would recommend that you report your findings to the RT developers as this is something they might want to address.
Regards, John > On Feb 15, 2016, at 10:12 PM, joelk <[email protected]> wrote: > > On Monday, February 15, 2016 at 8:00:42 PM UTC-5, john3909 wrote: > For the most part, RT shouldn’t break anything. > > > Shouldn't maybe, but apparently it does break something. I considered the > possibility that one of the upgrades that I did just before installing > linux-image-4.1.17-ti-r48 had solved the problem, so I installed > linux-image-4.1.17-ti-rt-r48 and the problems returned as soon as I booted > it. Again i started getting "Failed to open video device /dev/video0" > errors, and more often than not, when the webcam was plugged into the usb > slot, sudo reboot resulted in just shutting down with no reboot. > > And now after reconfiguring back to the non-RT image i can consistently open > /dev/video0 and it successfully reboots from the command line every time. > > One thing I've noticed that seems odd is that with the non-RT kernel, there > seems to be constant cpu activity -- user led2 is flickering incessantly. > With the RT kernel there were long periods with no light from that led. > > > > -- > For more options, visit http://beagleboard.org/discuss > <http://beagleboard.org/discuss> > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
