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From: Hans Petter Selasky <hselasky@c2i.net>
To: Yuri Pankov <yuri.pankov@gmail.com>
Date: Tue, 4 Nov 2008 21:59:55 +0100
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Cc: freebsd-usb@freebsd.org
Subject: Re: weird USB keyboard behavior with new USB stack
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On Tuesday 04 November 2008, Yuri Pankov wrote:
> Hi,
>
> I'm testing new USB stack as part of -CURRENT. My USB keyboard
> occasionally locks up (and I need to re-plug it), sends wrong modifiers
> keys, etc. which didn't happen with old USB stack. Are there any
> settings/options which I can use to debug this problem further?
>

Yes, try:

sysctl hw.usb2.ukbd.debug=15

And see what it outputs.

I'm also using a USB-keyboard and I have not experienced such problems, though 
it might not be related to the USB keyboard. Have you got any other USB 
devices working at FULL speed USB ?

--HPS

> Info from usbconfig:
> ugen0.1: <OHCI root HUB nVidia> at usbus0, cfg=0 md=HOST spd=FULL
> (12Mbps) pwr=ON
> ugen1.1: <EHCI root HUB nVidia> at usbus1, cfg=0 md=HOST spd=HIGH
> (480Mbps) pwr=ON
> ugen0.2: <IrDA/USB Bridge Sigmatel Inc> at usbus0, cfg=0 md=HOST
> spd=FULL (12Mbps) pwr=ON
> ugen0.5: <Wireless Battery Free Optical Mouse A4Tech> at usbus0, cfg=0
> md=HOST spd=LOW (1.5Mbps) pwr=ON
> ugen0.3: <product 0x2050 Cypress Semiconductor> at usbus0, cfg=0 md=HOST
> spd=FULL (12Mbps) pwr=ON
> ugen0.4: <product 0x004c KYE Systems> at usbus0, cfg=0 md=HOST spd=FULL
> (12Mbps) pwr=ON
>
> from dmesg:
> ukbd0: <KYE Systems product 0x004c, class 0/0, rev 1.10/1.01, addr 4> on
> usbus0