On Fri, Mar 7, 2014 at 12:01 AM, Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> wrote: > Hi Nilesh, > > Thanks for reporting this. I think this is a known regression, try > reverting these two commits: > > 3804fad45411 "USBNET: ax88179_178a: enable tso if usb host supports sg dma" > c8f44f989019 "xhci 1.0: Limit arbitrarily-aligned scatter gather." > > Mathias will be sending a pull request to Greg shortly to revert those > two commits. > > Sarah Sharp > > On Thu, Mar 06, 2014 at 08:57:55PM +0530, Nilesh Govindrajan wrote: >> I'm unable to access USB 3 Pen drive / HDD on 3.13.5. The same works >> on 3.13.4 without any problems. >> >> The problem happens irrespective of whether the device is plugged in a >> USB 3.0 port or a 2.0 port. >> >> Motherboard: GA-B85M-D3H >> CPU: i5-4670 >> >> Messages in dmesg - >> >> [ 124.985666] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called >> with disabled ep ffff88022138b000 >> [ 124.985667] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called >> with disabled ep ffff88022138b040 >> [ 135.091668] usb 2-6: reset SuperSpeed USB device number 3 using xhci_hcd >> [ 135.102898] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called >> with disabled ep ffff88022138b000 >> [ 135.102900] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called >> with disabled ep ffff88022138b040 >> [ 151.211415] usb 2-6: reset SuperSpeed USB device number 3 using xhci_hcd >> -- >> 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 Sorry for the extended delay in replying to this. I applied the patches supplied by Mathias to the latest 3.13.6 tree and USB 3 disks and pen drives are working without problems again. Thanks. -- 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