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Re: [Xen-devel] xen 4 only seeing one keyboard and mouse

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] xen 4 only seeing one keyboard and mouse
From: M A Young <m.a.young@xxxxxxxxxxxx>
Date: Wed, 21 Jul 2010 23:10:34 +0100 (BST)
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On Thu, 22 Jul 2010, Pasi Kärkkäinen wrote:

On Wed, Jul 21, 2010 at 10:16:58PM +0100, M A Young wrote:
On Wed, 21 Jul 2010, Pasi Kärkkäinen wrote:

Does dom0 see all the usb hosts, when using xen4?

The relevant lines in dmesg are (for a non-xen boot)

input: Macintosh mouse button emulation as /devices/virtual/input/input3
input: AT Translated Set 2 keyboard as
/devices/platform/i8042/serio0/input/input4
input: PS/2 Mouse as /devices/platform/i8042/serio2/input/input5
input: AlpsPS/2 ALPS GlidePoint as
/devices/platform/i8042/serio2/input/input6

so it looks like ps/2. I haven't noticed any usb devices missing. I have
also now checked that the keyboard still doesn't work even if the USB
keyboard is unplugged.


Ok.

So when you boot dom0 on xen4, do those ps/2 devices get detected?

Partially. The relevant input lines (with associated lines that look relevant) under xen are

input: Macintosh mouse button emulation as /devices/virtual/input/input3
...
input input3: hash matches
pnp 00:08: hash matches
...
input: AT Translated Set 2 keyboard as 
/devices/platform/i8042/serio0/input/input4
...
input: PS/2 Generic Mouse as /devices/platform/i8042/serio2/input/input9
psmouse.c: Failed to enable mouse on isa0060/serio2

        Michael Young
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