[beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2014-03-14 Thread volcanovt87
Hi Robert, I had connected a USB camera to the beagle XM board running ubuntu and it worked successfully( tested with camorama application). I applied this patch https://github.com/RobertCNelson/stable-kernel/blob/v3.4.x/patches/omap_fixes/0001-Fix-sprz319-erratum-2.1.patchas I was facing the

[beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2013-10-10 Thread Kets
Hi George, Point noted about industrial grade of the beagle board components. But I have not understood why Android build works fine. Any pointers towards this? Regards, Ketan -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed

Re: [beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2013-10-10 Thread Robert Nelson
On Thu, Oct 10, 2013 at 6:50 AM, Kets ketanrka...@gmail.com wrote: Hi George, Point noted about industrial grade of the beagle board components. But I have not understood why Android build works fine. Any pointers towards this? So like i mentioned in our private conversation, git bisect you

Re: [beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2013-10-10 Thread Kets
Hi Robert, I have started with building kernel 2.6.37 (without applying any patches) since I always used precompiled image of this kernel (Android). I used omap2plus_defconfig from stable kernel tree of 2.6.37 as config file during this build. As of now, usb interface and ethernet is not up at

Re: [beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2013-10-10 Thread Gerald Coley
Operation out of spec is never a good idea. Gerald On Thu, Oct 10, 2013 at 4:13 PM, gbon...@ipass.com wrote: The answer is going to be that while android works fine on that board and the ubuntu build works at room temp but not after a -20 cold soak on THAT board, neither one might work on

[beagleboard] Re: USB does not power ON on beagle board XM at low temperature

2013-10-09 Thread George B
I do not believe the components are rated to even work at -20C. You would need industrial or military temperature range components. The parts on the BBB are commercial/consumer grade and are rated to work only down to about 0C. Finding commercial grade parts that will function at -20C will