On Sun, 11 Sep 2016, Arun Thiruvanantha wrote: > Thanks for your replay. > > Reload means reset the hardware. > > these are steps doing: > > 1 Booting > 2 reset > issue will occurring after doing above steps. for more than 5 times. What kernel version are you using? > Also some time EUSB chip detecting and no issue Booting well. > Some time EUSB chip is not detcting and Booting will hang and reset the > hardware.. > We cannot run those dynamic_debug command When issue occurring case. You can add this to the kernel's boot command line: dyndbg="module ehci_hcd =p" That will have the same effect. 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