Hi Andiry, here are the dmesg log and lsusb log. Although this device does not exist in lsusb -t, but it can be found in lsusb -v. The last git hash of this test kernel is 338d0f0a6fbc82407864606f5b64b75aeb3c70f2 BR, Jerome On 19 August 2011 14:40, Xu, Andiry <Andiry.Xu@xxxxxxx> wrote: >> -----Original Message----- >> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb- >> owner@xxxxxxxxxxxxxxx] On Behalf Of jerome huang >> Sent: Friday, August 19, 2011 2:09 PM >> To: linux-usb@xxxxxxxxxxxxxxx >> Subject: Problem with usb3 flash drive >> >> Hi all, >> >> I tested the usb3 flash drive with NEC controller on >> ubuntu 11.10 alpha3 oneiric 3.0.0-8-generic-pae, >> and found a strange problem. >> >> I inserted a flash drive (Transcend 8G or AData 8G) >> and checked the lsusb, >> the speed of this flash is super. >> >> Then I reboot the system (with flash drive inserted). >> After boot completed, I found the speed of this flash is high only. >> At this moment, I tried to remove and insert xhci-hcd module again, >> but the speed is still high. >> It is not super until I remove the flash and insert it again or >> power off the system and power on again. >> >> Please find the lsusb info in the attachment. >> > > Please apply the patch attached and re-compile kernel with > CONFIG_USB_DEBUG enabled. > Then send the dmesg after boot complete with flash plugged in. > > I suspect the port status is not right after reboot. > > Thanks, > Andiry > >
Attachment:
3.1.0-rc2-08191653.dmesg
Description: Binary data
Attachment:
3.1.0-rc2-08191653.lsusb-t
Description: Binary data
Attachment:
3.1.0-rc2-08191653.lsusb-v
Description: Binary data