>Number:         172937
>Category:       usb
>Synopsis:       FreeBSD 9.1-RC2 usb3 port disconnects
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Oct 21 19:30:01 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Uffe Jakobsen
>Release:        FreeBSD 9.1-RC2
>Organization:
>Environment:
FreeBSD asus-u32u 9.1-RC2 FreeBSD 9.1-RC2 #0 r241106: Mon Oct  1 18:26:44 UTC 
2012     r...@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

>Description:
Running FreeBSD 9.1-RC2 amd64 on an Asus U32U 13" Notebook with 2x USB3 port 
and 1x USB2 port produces strange disconnects of the equipment connected to 
USB3.0 (blue connectors) ports.

Mouse and keyboard is connected through a hub. The scenario is the following: 
suddenly mouse and keyboard stops working - looking at the hub I can see that 
is disconnected - some seconds later the hub leds indicate that it is connected 
and the keyboard and mouse works again for some minutes. Some days the units 
cannot reconnect after lots of disconnects and reboot seems to be the only 
option.
Also connecting the keyboard and mouse directly to the USB3 ports (without the 
hub) produces the problem.
Same equipment (keyboard, wireless mouse through hub) works without problems on 
the single USB2.0 port on the same system.

usbconfig:
ugen0.1: <OHCI root HUB ATI> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE
ugen1.1: <EHCI root HUB ATI> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) 
pwr=SAVE
ugen2.1: <OHCI root HUB ATI> at usbus2, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE
ugen3.1: <EHCI root HUB ATI> at usbus3, cfg=0 md=HOST spd=HIGH (480Mbps) 
pwr=SAVE
ugen4.1: <XHCI root HUB 0x1b21> at usbus4, cfg=0 md=HOST spd=SUPER (5.0Gbps) 
pwr=SAVE
ugen3.2: <ASUS USB2.0 WebCam 04G6200086K1AN1B70007KB> at usbus3, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=ON
ugen2.2: <product 0x3304 vendor 0x13d3> at usbus2, cfg=0 md=HOST spd=FULL 
(12Mbps) pwr=ON
ugen4.2: <Generic USB Hub ALCOR> at usbus4, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=SAVE
ugen4.3: <Dell USB Keyboard Dell> at usbus4, cfg=0 md=HOST spd=LOW (1.5Mbps) 
pwr=ON
ugen4.4: <Microsoft Nano Transceiver v2.0 Microsoft> at usbus4, cfg=0 md=HOST 
spd=FULL (12Mbps) pwr=ON


The only trace of the incidents can be found in dmesg:

dmesg boot messages containing usb (dmesg |grep -i usb)

ohci0: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfeb4b000-0xfeb4bfff irq 18 
at device 18.0 on pci0
usbus0 on ohci0
ehci0: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfeb4a000-0xfeb4a0ff irq 
17 at device 18.2 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
ohci1: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfeb49000-0xfeb49fff irq 18 
at device 19.0 on pci0
usbus2 on ohci1
ehci1: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfeb48000-0xfeb480ff irq 
17 at device 19.2 on pci0
usbus3: EHCI version 1.0
usbus3 on ehci1
xhci0: <XHCI (generic) USB 3.0 controller> mem 0xfe900000-0xfe907fff irq 18 at 
device 0.0 on pci5
usbus4 on xhci0
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 480Mbps High Speed USB v2.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 480Mbps High Speed USB v2.0
usbus4: 5.0Gbps Super Speed USB v3.0
ugen0.1: <ATI> at usbus0
uhub0: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <ATI> at usbus1
uhub1: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
ugen2.1: <ATI> at usbus2
uhub2: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <ATI> at usbus3
uhub3: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
ugen4.1: <0x1b21> at usbus4
uhub4: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus4
ugen4.2: <Dell> at usbus4
ukbd0: <Dell Dell USB Keyboard, class 0/0, rev 1.10/3.01, addr 1> on usbus4
ugen3.2: <04G6200086K1AN1B70007KB> at usbus3
ugen2.2: <vendor 0x13d3> at usbus2
ubt0: <vendor 0x13d3 product 0x3304, class 224/1, rev 1.10/0.01, addr 2> on 
usbus2


dmesg logging from disconnect followed by automatic reconnect a few seconds 
later:

ugen4.2: <ALCOR> at usbus4 (disconnected)
uhub5: at uhub4, port 3, addr 1 (disconnected)
ugen4.3: <Dell> at usbus4 (disconnected)
ukbd0: at uhub5, port 2, addr 2 (disconnected)
ugen4.4: <Microsoft> at usbus4 (disconnected)
ukbd1: at uhub5, port 4, addr 3 (disconnected)
ums0: at uhub5, port 4, addr 3 (disconnected)
uhid0: at uhub5, port 4, addr 3 (disconnected)
ugen4.2: <ALCOR> at usbus4
uhub5: <ALCOR Generic USB Hub, class 9/0, rev 1.10/3.12, addr 1> on usbus4
uhub5: 4 ports with 4 removable, self powered
ugen4.3: <Dell> at usbus4
ukbd0: <Dell Dell USB Keyboard, class 0/0, rev 1.10/3.01, addr 2> on usbus4
kbd2 at ukbd0
ugen4.4: <Microsoft> at usbus4
ukbd1: <Microsoft Microsoft Nano Transceiver v2.0, class 0/0, rev 2.00/6.34, 
addr 3> on usbus4
kbd3 at ukbd1
ums0: <Microsoft Microsoft Nano Transceiver v2.0, class 0/0, rev 2.00/6.34, 
addr 3> on usbus4
ums0: 5 buttons and [XYZT] coordinates ID=26
ums0: 0 buttons and [T] coordinates ID=0
uhid0: <Microsoft Microsoft Nano Transceiver v2.0, class 0/0, rev 2.00/6.34, 
addr 3> on usbus4


>How-To-Repeat:
It just happends with some minutes interval
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:
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