>Number:         150633
>Category:       misc
>Synopsis:       KVM switching causing X server abort
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Sep 17 00:00:08 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     IPS FreeBSD
>Release:        8.1-RELEASE
>Organization:
IPS Radio & Space Services
>Environment:
FreeBSD random.ips.gov.au 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19 
02:36:49 UTC 2010     r...@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  
amd64
>Description:
KVM switching causing X server abort.

Happens primarily when KDE or Gnome session active, OK with Xfce4 session 
(sofar).

Suspect USB mouse attach: 

Backtrace of Xorg core file:
#0  0x0000000801a2c3cc in kill () from /lib/libc.so.7
#1  0x0000000801a2b1cb in abort () from /lib/libc.so.7
#2  0x0000000000476744 in ddxGiveUp ()
#3  0x000000000046fcdd in AbortServer ()
#4  0x000000000047035f in FatalError ()
#5  0x000000000046a581 in OsInit ()
#6  <signal handler called>
#7  0x00000008140ca5d9 in MouseCtrl ()
   from /usr/local/lib/xorg/modules/input/mouse_drv.so
#8  0x000000000042f53d in ProcChangePointerControl ()
#9  0x0000000000437460 in Dispatch ()
#10 0x000000000042d7ba in main ()

Relevant Packages:
xorg-7.5 xorg-server-1.7.5,1 xf86-input-mouse-1.5.0 dbus-1.2.24_2 hal-0.5.14_9
>How-To-Repeat:
Connect system to a USB KVM, login with a KDE or Gnome session and switch 
between inputs.

I have the session aborting usually in <24 switches.

>Fix:
Unknown

>Release-Note:
>Audit-Trail:
>Unformatted:
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