Dear Peiyong Feng, > > Please enable the debug at s3c-hsotg.c driver and then paste the > > dmesg/debug output. > I have defined DEGUG in s3c-hsotg.c Thank you for 2.6.36 log. I'd also need the log from 3.6-rc1 kernel with DEBUG enabled. -- Best regards, Lukasz Majewski Samsung Poland R&D Center | Linux Platform Group -- 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