Strange Keyboard and Mouse Issue


 
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# 8  
Old 01-08-2015
For bluetooth, wireless kb, mouse.
This User Gave Thanks to DGPickett For This Post:
# 9  
Old 01-09-2015
Unpowered USB hub + tiny embedded device = potential trouble. I strongly suspect that is it.
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# 10  
Old 01-09-2015
Grepping 'USB' had this pop out at me:

Code:
2015-01-07T12:26:59.899017-05:00 CuBox-HQ kernel: [ 4096.151285] usb 1-1.4: input irq status -75 received

Once it starts appearing, it starts appearing a lot..

Searching for that error finds a lot of different threads with nearly nothing in common -- errors from 10 years ago in the 2.6 kernel to completely modern ones. It seems to be a pretty generic "timeout" kind of error that happens when a USB device doesn't respond.

So that error could mean a lot of things, anywhere from bad mouse, bad hub, bad port, kernel bug, or driver incompatibility (usb device allows itself to go into powersave when not actually compatible with powersave). I'd see if it still happens without the hub.
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# 11  
Old 01-12-2015
Hey Guys, thanks for the replies.

Sorry for the delay getting back to you all. Was out of work on Friday, so I didn't have the CuBox in front of me till today.

Ok, yea I guess it could be any of those things. Do you think if it started happening again, and I unplug the USB Hub and connect the keyboard
and mouse directly to the device without the hub, do you think the problem should stop right away since the hub would no longer be connected?

If that were the case (*above) and it continues happening even though the hub is no longer connected, do you think that could rule out the
hub as the problem? But I guess I still couldn't say that with absolute certainty anyway...

Thanks Again,
Matt
# 12  
Old 01-12-2015
Quote:
Originally Posted by mrm5102
Ok, yea I guess it could be any of those things. Do you think if it started happening again, and I unplug the USB Hub and connect the keyboard and mouse directly to the device without the hub, do you think the problem should stop right away since the hub would no longer be connected?
Unplugging it and plugging it back in might or might not solve it. Only way to know is to try.
Quote:
If ... it continues happening even though the hub is no longer connected, do you think that could rule out the
hub as the problem?
Yes.

You don't need to insert manual linebreaks in the middle of a sentence, the internet does it for you wherever necessary.
This User Gave Thanks to Corona688 For This Post:
# 13  
Old 02-10-2015
So this finally happened again today, but I was using a different USB hub then I was previously. The only reason I'm using a different hub is because the other hub has this little piece of plastic on the top-side of the USB plug which prevented me from plugging it in without needing to remove what was already in a USB port right above that one. At the moment I couldn't remove what was already connected to the USB port so I had used this different one...

This other USB hub I used comes with a power adapter for itself so I had that plugged into AC power as well. When I first connected this hub the light on it came on but the KB and mouse weren't working so I had to connect the power supply to it to get it working... Guess the USB port wasn't giving this hub enough power to also power the devices connected to it...?

As soon as it started happening I touched the USB hub... And boy was it HOTT. I forgot to check the power supply to the CuBox itself but checking now a little while after it started, it does feel pretty warm.

But anyway, just wanted to mention that...

Thanks,
Matt
 
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