On Mon, 25 May 2015, Gary Dalmadge wrote: > [1.] One line summary of the problem: > > USB drive errors with newer kernel versions > > > [2.] Full description of the problem/report: > > I am seeing various USB drive errors while trying to use the drives with later > versions of the kernel. > > I have tested with 4.1-rc5 and still see the issues. > > For instance, I am unable to successfully create a new file system on the > drives. > > One example is "parted -l" which returns the following error: Error > fsyncing/closing /dev/sdc: Remote I/O error > > dmesg shows the following error in this case: end_request: critical target > error, dev sdc, sector 0 > > The errors appear with different brands and types of USB drives. > > After a kernel bisect, this seems to be the commit that caused the issue: > > 89fb4cd1f717a871ef79fa7debbe840e3225cd54 > scsi: handle flush errors properly Can you provide a usbmon trace showing the problem? See the instructions in Documentation/usb/usbmon.txt. 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
