On Wed, 24 Apr 2013, Sedat Dilek wrote: > > Did this work differently under earlier kernels? > > > > Unfortunately, s/r did not work for several Linux-Next releases as > there is missing tglx's patch pendinging in tip.git/timers/core. Have you tried testing under 3.8? Or earlier releases? > > This indicates that the optical mouse didn't survive the suspend/resume > > sequence and had to be reenumerated. Without more information, there's > > no way to tell specifically what went wrong during the initial reset at > > timestamp 62.353997. > > > > If you want to pursue this farther, you could enable CONFIG_USB_DEBUG. > > You could also collect a usbmon trace for bus 1 showing what happens > > during the suspend and resume. > > > > Hmm, I can try to enable CONFIG_USB_DEBUG and build a new kernel. > > Can you give me more hints how to do a usbmon-trace? See Documentation/usb/usbmon.txt. > > On the other hand, what difference does it really make if a mouse has > > to be reenumerated? > > > > As a non-USB-expert it's hard to interprete such "bogus" lines in your logs. > I am curious enough to ask which is fair :-). > AFAICS in your eyes this is "harmless"? If the device continues to work normally after the resume and none of your programs are affected, then it is harmless. Alan Stern
