pwc and skype

[100633.242228] pwc: Failed to set video mode SIF@50 fps; return code = -22
[100642.710544] pwc: Failed to set video mode SIF@63 fps; return code = -22
[100649.890737] pwc: Failed to set video mode SIF@40 fps; return code = -22
[100654.041901] pwc: Failed to set video mode SIF@39 fps; return code = -22
[100656.221977] pwc: Failed to set video mode SIF@35 fps; return code = -22
[100658.172058] pwc: Failed to set video mode SIF@32 fps; return code = -22
[100659.687089] pwc: Failed to set video mode SIF@31 fps; return code = -22
[100830.459603] pwc: Failed to set video mode VGA@30 fps; return code = -22
[100849.941231] pwc: Failed to set video mode VGA@30 fps; return code = -22
[100926.560735] pwc: Failed to set video mode VGA@30 fps; return code = -22
[105968.313335] pwc: isoc_init() submit_urb 0 failed with error -28
[105968.313340] pwc: isoc_init() submit_urb 1 failed with error -28
[105968.335135] pwc: Failed to set video mode VGA@30 fps; return code = -22
[105968.503135] pwc: isoc_init() submit_urb 0 failed with error -28
[105968.503139] pwc: isoc_init() submit_urb 1 failed with error -28
[105968.659149] pwc: isoc_init() submit_urb 0 failed with error -28
[105968.659156] pwc: isoc_init() submit_urb 1 failed with error -28