Re: port-xen/53569: wskbd double attach with DIAGNOSTIC xen kernel NetBSD-8.0_STABLE

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Sep 02, 2018 at 08:40:00PM +0000, oster%netbsd.org@localhost wrote:
> >Number:         53569
> >Category:       port-xen
> >Synopsis:       wskbd double attaches with xen on NetBSD-8.0_STABLE
> >Confidential:   no
> >Severity:       serious
> >Priority:       medium
> >Responsible:    port-xen-maintainer
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Sun Sep 02 20:40:00 +0000 2018
> >Originator:     Greg Oster
> >Release:        NetBSD 8.0_STABLE
> >Organization:
> >Environment:
> 	
> 	
> System: NetBSD thog 8.0_STABLE NetBSD 8.0_STABLE (THOG.gdb) #0: Sat Sep 1 11:17:06 CST 2018 oster@thog:/u1/builds/build187/src/obj/amd64/u1/builds/build187/src/sys/arch/amd64/compile/XEN3_DOM0.gdb amd64
> Architecture: x86_64
> Machine: amd64
> >Description:
> 
> With DIAGNOSTIC turned on for XEN3_DOM0 kernel build, the following
> panic is encountered:
> 
> ...
> ukbd0 at uhidev0: 8 Variable keys. 6 Array codes
> panic: kernel diagnostic assertion "!wskbd_console_initted" failed: file
> "/u1/builds/build187/src/sys/dev/wscons/wskbd.c", line 540
> fatal breakpoint trap in supervisor mode
> ...
> 
> 
> >How-To-Repeat:
> 
> Build a XEN3_DOM0 with DIAGNOSTIC turned on.  Perhaps have a USB keyboard 
> plugged in?
> 
> >Fix:
> 
> Looks like an attempt to double-attach, but there was only one USB keyboard
> ever hooked up.

Even if so, it shouldn't be a problem to have multiple keyboard for the same
console.
The full dmesg could be usefull.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--