> End of Emc-users Digest, Vol 133, Issue 31 message 4 > Gene Heskett wrote > >>>Not according to htop Chris. This is a quad core, 64 bit per core armhf > >>>processor supposedly running at a minimum speed of 800MHz, claims 1.2 > >>>GHz top. And the effect is apparently random per boot, I'll reboot > >>>after doing something, the keyboard is unusable, I give up and reboot it > >>>again, and its working 100%. It may, or may not, go to pot with > >>>extended uptime. Its on now, and amanda will back it up about 1:30 in > >>>the morning, and tomorrow morning it may act as if the keyboard stuff is > >>>out in the swap file. Thats laggy, but nothing like when it decides to > >>>start ignoring keyup's. ATM its loaded under 2.0, and the screensaver > >>>metaballs is by far the biggest load. htop says swap is empty, but I've > >>>never had any experience using a swap file till now. So I wonder if htop > >>>is lying to me about it. > > >>>I've had the usb monitor thing running several times, and that got me to > >>>throw away a usb extension cord that was picking up megabits of raw > >>>noise so I plugged the rx buttons directly into the pi, and without too > >>>much between the keyboard and the button but 25 feet of air, and it > >>>never misses a keystroke. Of course since the sd card is on the usb > >>>stuff, I also see the "disk" traffic, but its not "busy". Next reboot, > >>>the usbtrace looks the same but no response to keyup events about 90% of > >>>the time. The events are getting thru the rx buttons, but the pi is > >>>ignoring them. > > >>>I would think, since the boot is the same sequence of events every time, > >>>that the results would be pretty consistent, but they are not. Random > >>>as all get out. > > >>>Were you getting an up-board? Or was that Erik? > Gene I had same issues even though I was using, or when not using the wifi on pi 3 this took care of it for me. Also, the kernel you are using is not the only RT-Preempt for the pi:
sudo nano /boot/cmdline.txt #Add the following dwc_otg.fiq_fsm_enable=0 dwc_otg.fiq_enable=0 dwc_otg.nak_holdoff=0 sudo reboot -n See posts at this site about rt patched kernels on pi2 & 3 freezing during wifi use https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=159170 May this will do it for you I hope Tim March ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users