On Freitag, 11. September 2015 10:23:45 Alan Stern wrote: > On Fri, 11 Sep 2015, Hans-Peter Jansen wrote: > > > > I still have trouble with storage devices on xhci ports, that disappear as > > soon as I change to an ehci port. > > > > My current kernel version is 4.1.6. > > Device is a Transcend TS-RDF8K USB3.0 sdcard reader, tested directly on > > rear panel I/O USB3.0 port of a z97 series MB (ASUS Z97-A) with the > > original cable, and a SanDisk Ultra 64GB SDXC media. > > > > Can you post a usbmon trace showing what happens when the card reader > is plugged in? Instructions are in the kernel source file > Documentation/usb/usbmon.txt.
With pleasure, Alan. Here we go, plugged the reader for about 20 secs, result attached. Thanks, Pete
transcend.mon.out.xz
Description: application/xz
