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Date:   Sat, 3 Oct 2020 19:27:38 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Byron Stanoszek <gandalf@winds.org>
Cc:     Valentina Manea <valentina.manea.m@gmail.com>,
        Shuah Khan <shuah@kernel.org>,
        "M. Vefa Bicakci" <m.v.b@runbox.com>, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: USBIP is claiming all my USB devices - Commit 7a2f2974f265 is
 broken
Message-ID: <20201003172738.GA1526548@kroah.com>
References: <alpine.LNX.2.23.451.2010031259080.4257@winds.org>
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On Sat, Oct 03, 2020 at 01:18:36PM -0400, Byron Stanoszek wrote:
> All,
> 
> I was testing Linux 5.9-rc7 today when I realized that none of my USB devices
> were responding anymore. For instance, my mouse does not respond and its usual
> red LED is not on.
> 
> Reverting git commit 7a2f2974f265 solved the problem for me.
> 
> I have USBIP enabled in my kernel config. Alternatively, removing the following
> CONFIG variables also resolved the problem for me:
> 
> -CONFIG_USBIP_CORE=y
> -CONFIG_USBIP_HOST=y
> -CONFIG_USBIP_VHCI_HCD=y
> -CONFIG_USBIP_VHCI_HC_PORTS=8
> -CONFIG_USBIP_VHCI_NR_HCS=1
> 
> I do not have any userland usbip daemons running on this PC.
> 
> I attached before-and-after versions of my "dmesg", "lsusb", and "lsusb -t"
> outputs to demonstrate the problem. Versions marked .1 are with commit
> 7a2f2974f265 reverted. Versions marked .2 are without any changes to usbip.
> 
> # grep usbip dmesg.1
> dmesg.1:usbcore: registered new device driver usbip-host
> 
> # grep usbip dmesg.2
> dmesg.2:usbcore: registered new device driver usbip-host
> dmesg.2:usbip-host 1-8: 1-8 is not in match_busid table... skip!
> dmesg.2:usbip-host 1-13: 1-13 is not in match_busid table... skip!
> 
> > From lsusb_t.1:
> 
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
>     |__ Port 8: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
>     |__ Port 13: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
>     |__ Port 13: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
> 
> > From lsusb_t.2:
> 
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
> 
> (no devices are listed when they should be)
> 
> I also attached my .config for review.

Can you try the patches listed here:
	https://lore.kernel.org/r/20201003142651.GA794077@kroah.com

As this issue should be solved with them.  Hopefully :)

thanks,

greg k-h