Hardware :: USB Mouse And USB DAC Can't Be Used Simultaneously?
Mar 26, 2010
I have a USB mouse and a USB audio DAC. Both work fine separately with linux. The problem is when I try using both simultaneously. The first-plugged device will work fine, but not the second-plugged device. That is, if I plug the mouse first and the DAC second, then the mouse works and the DAC doesn't work. And conversely.
When I say that the second-plugged device doesn't work, here's what I mean: the USB device is detected by the system, but gets "reset" every 2 seconds and can't be actually used at all. Here are some log messages. Here I'm working in the case where I have plugged the mouse first and am plugging the DAC second.
Code:
$ lsusb | egrep -i mouse|texas
Bus 002 Device 009: ID 08bb:2704 Texas Instruments Japan
Bus 002 Device 007: ID 046d:c526 Logitech, Inc. MX Revolution Cordless Mouse
"Texas Instruments" is my DAC. So, at the level of lsusb, all is well.
[Code]...
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