Besiyata Dishmaya, Iv'e downloaded the specified kernel version, and I confirm that the bug was fixed... and I managed to complete the file transfer... thank you Alan and thank you Greg On Tue, Dec 13, 2016 at 9:55 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 13 Dec 2016, or dv wrote: > >> kernel version: >> Linux version 4.8.0-30-generic (buildd@lcy01-08) (gcc version 6.2.0 >> 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #32-Ubuntu SMP Fri Dec 2 03:43:27 >> UTC 2016 >> >> kernel log shows: > >> Dec 13 21:31:27 merits kernel: [ 5835.972008] ohci-pci 0000:00:04.0: >> HcDoneHead not written back; disabled >> Dec 13 21:31:27 merits kernel: [ 5835.972014] ohci-pci 0000:00:04.0: >> HC died; cleaning up >> Dec 13 21:31:27 merits kernel: [ 5835.972335] usb 2-2: USB disconnect, >> device number 2 >> Dec 13 21:31:27 merits kernel: [ 5835.973969] usb 2-4: USB disconnect, >> device number 3 >> Dec 13 21:31:27 merits kernel: [ 5836.012277] usb 2-9: USB disconnect, >> device number 5 > > This is a known bug in the 4.8 kernel. You should upgrade to the > latest 4.8-stable version (currently 4.8.14); it contains a fix for > this bug. > > 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