NetBSD Problem Report #52754

From mpumford@trigati.mudcovered.org.uk  Wed Nov 22 19:25:15 2017
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Message-Id: <20171122192502.2EEF938FCB9@trigati.mudcovered.org.uk>
Date: Wed, 22 Nov 2017 19:25:02 +0000 (GMT)
From: mpumford@mudcovered.org.uk
Reply-To: mpumford@mudcovered.org.uk
To: gnats-bugs@NetBSD.org
Subject: USB KVM Not detected in USB port
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>Number:         52754
>Category:       kern
>Synopsis:       USB KVM Not detected in USB port
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Nov 22 19:30:00 +0000 2017
>Originator:     Mike Pumford
>Release:        NetBSD 8.0_BETA
>Organization:

>Environment:
System: NetBSD trigati.mudcovered.org.uk 8.0_BETA NetBSD 8.0_BETA (GENERIC) #3: Mon Nov 6 00:07:26 GMT 2017 builder@trigati.mudcovered.org.uk:/work/netbsd/8-stable/obj.amd64/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:
        My KVM presents itself as a USB hub and then the USB keyboard
	attaches behind that hub. When plugged into a USB2 port on the
	motherboard I get:
uhub6 at uhub1 port 6: ATEN International (0x557) product 8021 (0x8021), class 9/0, rev 1.10/1.00, addr 4
uhub6: 4 ports with 4 removable, self powered
uhub6: device problem, disabling port 1
uhub6: detached

However if I plug it into a USB3 port I get:
uhub6 at uhub3 port 2: ATEN International (0x557) product 8021 (0x8021), class 9/0, rev 1.10/1.00, addr 1
uhub6: 4 ports with 4 removable, self powered
uhidev0 at uhub6 port 1 configuration 1 interface 0
uhidev0: Microsoft (0x45e) MicrosoftM-BM-. 2.4GHz Transceiver v8.0 (0x745), rev 2.00/6.56, addr 2, iclass 3/1
ukbd0 at uhidev0: 8 Variable keys, 6 Array codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub6 port 1 configuration 1 interface 1
uhidev1: Microsoft (0x45e) MicrosoftM-BM-. 2.4GHz Transceiver v8.0 (0x745), rev 2.00/6.56, addr 2, iclass 3/1
uhidev1: 28 report ids
uhid0 at uhidev1 reportid 18: input=0, output=0, feature=1
uhid1 at uhidev1 reportid 22: input=4, output=0, feature=0
uhid2 at uhidev1 reportid 23: input=0, output=0, feature=1
ums0 at uhidev1 reportid 26: 5 buttons, W and Z dirs
wsmouse0 at ums0 mux 0
uhid3 at uhidev1 reportid 28: input=3, output=0, feature=0
uhidev2 at uhub6 port 1 configuration 1 interface 2
uhidev2: Microsoft (0x45e) MicrosoftM-BM-. 2.4GHz Transceiver v8.0 (0x745), rev 2.00/6.56, addr 2, iclass 3/0
uhidev2: 8 report ids
uhid4 at uhidev2 reportid 3: input=1, output=0, feature=0
uhid5 at uhidev2 reportid 4: input=1, output=0, feature=0
uhid6 at uhidev2 reportid 7: input=7, output=0, feature=0
uhid7 at uhidev2 reportid 8: input=1, output=0, feature=0
uhidev3 at uhub6 port 1 configuration 1 interface 3
uhidev3: Microsoft (0x45e) MicrosoftM-BM-. 2.4GHz Transceiver v8.0 (0x745), rev 2.00/6.56, addr 2, iclass 3/1
ums1 at uhidev3: 5 buttons and Z dir
wsmouse1 at ums1 mux 0

Same device on NetBSD-7 stable works on the same hardware in both a USB2 and
a USB 3 port.

>How-To-Repeat:
	Plug in device
>Fix:
	No idea on how to fix but my workround is to keep the KVM plugged
	into a USB 3 port where it is 100% reliable.

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