On Sun, 5 Jun 2011, Soho Soho123 wrote: > Dear Alan, > > > > Haha,, > Thanks a lot first for your parse!! > By your opinion, it seems the another part cause ehci irq can not > service at once. > We will check other driver, like WiFi , etc. in advance. > > The target is: > Create a WiFi Cam product with Linux OS. > > In our system have other driver for networking, ethernet , WiFi. It's quite possible that the WiFi driver is responsible for your problem. Can you run a test with that driver not present? > Usb is necessary for usb application, network driver is also necessary > for Router, but when IP Cam application is required, then both USB and > network driver will working simultaneously . The WiFi Router function > was ready for a long time in our system. USB application was added > recently, when the issue has reported, we think that maybe the problem > from usb sub-system. > In the next , we will invoke the other people that are skill in the > driver field for the issue. If you find the source of the problem, it would be nice to know. Maybe you can post an email with a full explanation after you have the solution. > It is very sorry to bother you form long time. That's okay; I enjoy solving problems. > it is very appreciate for your help, that give us the hints for usb > ehci discussing. > And if it necessary, can we send you e-mail about usb ehci question > in the future? Yes, of course. > Thanks again!! You're welcome. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
