On Thu, 14 Jul 2016, Warren Postma wrote: > I am also able to reproduce this USB disconnect glitch on a Dell Xeon > workstation. Is there any way I can get more verbose output to dmesg: > > > On Sat, Jun 25, 2016 at 12:29:39PM +0000, > bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=120981 > > > > Bug ID: 120981 > > Summary: 4.6.x VIA VL805 USB 3.0 controller resets device > > making it unusable until re-plugged > > Product: Drivers > > Version: 2.5 > > Kernel Version: 4.6.x > > Reproduced on 4.6.2, will try on 4.6.4. Any suggestions on how to > gather additional logging info would be appreciated. In addition to what Peter said, you can acquire a usbmon trace. See the instructions in the kernel source file 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