This fixed my problem on Ubuntu. My steps are as follows. 1. sudo apt-get install cpufrequtils 2. sudo cpufreq-set -g performance
在 2013年11月27日星期三 UTC+8上午2:52:02，Dino Tinitigan写道： > > Hi all, > > I think I *may* have a potential fix. > > I've had the same issues with my logitech c920 and my usb wifi adapter. > I have a java program that takes a webcam image using opencv and then it > is uploaded to my server. > > When I skip either the capture or upload part of my program it is > completely stable. > However combined it freezes after about 15-30min. > > When I look at the beaglebone black the leds are no longer flashing. > Anyway, this has taken me two weeks to have a potential solution. > > looking at the dmesg output i get: > > [ 943.043325] omap_i2c 44e0b000.i2c: controller timed out > [ 944.053233] omap_i2c 44e0b000.i2c: controller timed out > [ 945.063042] omap_i2c 44e0b000.i2c: controller timed out > [ 945.069066] tps65217 0-0024: Read from reg 0xf failed > [ 946.074832] omap_i2c 44e0b000.i2c: controller timed out > [ 946.080862] tps65217 0-0024: Read from reg 0x11 failed > *[ 946.086629] cpufreq_cpu0: failed to scale voltage down: -110* > > > It seems that the cpu voltage is being or attempted to be scaled down. > > I then tried to change the my cpufreq governor to performance and that > seemed to have fixed it. > > root@beaglebone:~# *cpufreq-set -g performance* > > btw. I am using angstom with kernel 3.8.13 > > my BBB has now been running without freezing for 14 hours which is 13.5 > hours more than before. > > hopefully this fixes your guy's freezing problems as well. > > > > > -- 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
