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On Sun, Dec 04, 2016 at 12:18:23AM -0800, Benjamin Richter wrote:
> Am Sonntag, 4. Dezember 2016 01:33:31 UTC+1 schrieb Marek 
> Marczykowski-Górecki:
> 
> > > I've attached the ethernet dongle to the same port as the logitech 
> > > keyboard, but it does not show up anywhere.
> > 
> > If you see the device in dom0 in some configuration, take a look at its
> > sysfs path - it will have a hint on which controller is it. Like this:
> > lrwxrwxrwx 1 root root 0 Dec  4 01:32 /sys/bus/usb/devices/3-1 ->
> > ../../../devices/pci-0/pci0000:00/0000:00:02.0/usb3/3-1
> > 
> > - -- 
> > Best Regards,
> > Marek Marczykowski-Górecki
> > Invisible Things Lab
> > A: Because it messes up the order in which people normally read text.
> > Q: Why is top-posting such a bad thing?
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> 
> That's really quite clear, here's a lsusb output from dom0 with both usb 
> controllers. Here the ASIX and Realtek ethernet deivces show up on bus 004.
> 
> Bus 004 Device 004: ID 0b95:1790 ASIX Electronics Corp. AX88179 Gigabit 
> Ethernet
> Bus 004 Device 005: ID 0bda:8153 Realtek Semiconductor Corp. 
> Bus 004 Device 003: ID 05e3:0620 Genesys Logic, Inc. 
> Bus 004 Device 002: ID 05e3:0620 Genesys Logic, Inc. 
> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 003 Device 004: ID 046d:c51e Logitech, Inc. 
> Bus 003 Device 007: ID 1e4e:0898 Cubeternet 
> Bus 003 Device 006: ID 0572:1703 Conexant Systems (Rockwell), Inc. 
> Bus 003 Device 003: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
> Bus 003 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 004: ID 0b05:1838 ASUSTek Computer, Inc. 
> Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
> Bus 001 Device 002: ID 04f2:b5b1 Chicony Electronics Co., Ltd 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> 
> lsusb of dom0 after attaching the controller to sys-net:
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 004: ID 0b05:1838 ASUSTek Computer, Inc. 
> Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
> Bus 001 Device 002: ID 04f2:b5b1 Chicony Electronics Co., Ltd 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> 
> and of sys-net:
> sudo lsusb
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 002 Device 004: ID 046d:c51e Logitech, Inc. 
> Bus 002 Device 006: ID 1e4e:0898 Cubeternet 
> Bus 002 Device 005: ID 0572:1703 Conexant Systems (Rockwell), Inc. 
> Bus 002 Device 003: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
> Bus 002 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> 
> The Logitech keyboard attached to the docking station is there, but neither 
> the asix dongle nor the docks ethernet port show up. It seems dom0s usb bus 
> 004 got lost somewhere.
> Interestingly, if I switch the ethernet dongle and the logitech keyboard, the 
> keyboard shows up on another port, but the dongle does not show up.
> 
> I have no idea what's going on.

It looks like none of devices from that bus show up (just root hub).
Anything interesting in dmesg there? I'd recommend looking for more than
just "grep usb" - for example some messages may contain only xhci, or
just pci BDF.

- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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