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Date:      Mon, 27 Jun 2022 17:26:55 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Ivan Quitschal <tezeka@hotmail.com>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, "wulf@freebsd.org" <wulf@freebsd.org>
Subject:   Re: iichid/hms keyboard/mouse wrongly reattached to uhid/ums
Message-ID:  <420b1f58-09c4-6876-b1ad-91751c60e83c@selasky.org>
In-Reply-To: <CP6P284MB1900818F505F78F68EC4C6BECBB99@CP6P284MB1900.BRAP284.PROD.OUTLOOK.COM>
References:  <CP6P284MB1900818F505F78F68EC4C6BECBB99@CP6P284MB1900.BRAP284.PROD.OUTLOOK.COM>

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On 6/27/22 17:19, Ivan Quitschal wrote:
> Hi all
> 
> Not sure if I found a problem here but here we go.
> 
> Since I have a KVM usb switch here for keyboard/mouse sometimes I toggle it between my windows and freebsd.
> I am using iichid here to have my multimedia keys working on keyboard and all
> 
> hw.usb.usbhid.enable="1"
> 
> Im also using Wulf's moused
> https://github.com/wulf7/moused
> so far so good. Problem is:
> 
> when I switch to windows , everything is detached correctly (hms, hkbd etc), but when I switch back, sometimes
> the keyboard and mouse are wrongly attached to "ums" device , not hms. (sometimes it goes to the correct one).
> Shouldn't ums/uhid modules be deactivated once hw.usb.usbhid.enable is set to 1 ?
> 
> The workaround I did here was to manually kldunload both uhid.ko and ums.ko within rc.local during boot.
> This way I can detache attach the kbd/mouse back as much as I want and it always end up in hms/hkbd devices
> 
> Is this how its supposed to function? Randomly choosing between ums or hms?
> 

Hi,

Can you dump "kldstat" at the different times?

I guess it may be just be that the wrong module is loaded first, so it 
grabs the device, because there are no other drivers loaded, even though 
ums is a generic driver.

Try loading all relevant drivers in /boot/loader.conf . Then the attach 
order shouldn't matter.

--HPS



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