On Tue, May 20, 2014 at 8:32 AM, David Lambert d...@lambsys.com wrote:
Unfortunately I seem to have spoken too soon. After multiple control
commands, the UVC subsystem becomes unresponsive. Could I suggest making the
default PIO only again?
Sure, I can do that. I Actually thought that was the
Robert,
I just tried your 3.14.4-bone4 kernel. Thanks for including my
Argus UPS cape patches:-) . It appears that the UVC DMA is getting
better, but I am getting the following warning messages when I issue any
UVC controls. The good news is that the system still continues to work
fine
The USB DMA still appears to have problems when used with USB cameras.
It appears that whenever I attempt to issue controls via UVC to a camera
that is capturing, then I get the attached crash. PIO mode works fine.
Could I suggest that the default defconfig selects PIO mode until DMA
mode
On Fri, Mar 14, 2014 at 11:14 AM, David Lambert d...@lambsys.com wrote:
The USB DMA still appears to have problems when used with USB cameras. It
appears that whenever I attempt to issue controls via UVC to a camera that
is capturing, then I get the attached crash. PIO mode works fine. Could I
On 03/14/2014 11:20 AM, Robert Nelson wrote:
On Fri, Mar 14, 2014 at 11:14 AM, David Lambert d...@lambsys.com wrote:
The USB DMA still appears to have problems when used with USB cameras. It
appears that whenever I attempt to issue controls via UVC to a camera that
is capturing, then I get the
