Thanks for your kind response.
Yes, the printing level of my system was "debug", I did not know about it.-);
And the point of my question is. When these debug messages were printed, Is
system possible to be slowed?
When my audio process was dead, these log were printed and the time of making
core
I applied below patch in my linux-3.8.13.
https://lkml.org/lkml/2013/8/18/203
<"[ 35/45] USB: EHCI: accept very late isochronous URBs">
After then, I got a lot of warning messages like as below.
[ 133.760978] ehci 100f.ehci: iso underrun e07c1840 (3375+0 < 5472)
[ 133.760999] ehci 100f.e
Hi,
I got a side-effect because of this patch. My webcam use EHCI not OHCI or UHCI,
And I'm using linux-3.8.xx. After patching this issue, the failure of urb
submit problem was gone. But I got a side-effect. Too many warning messages
makes my system to be hang.
A lot of kernel warning messages w
