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[Bug 1501727] [NEW] X segfault upon mouse move when used in XEN domu

 

Public bug reported:

I have an Ubuntu 14.04 XEN (4.4) host with Ubuntu 14.04 VM guest. I'm
using lxdm for login and lxde as desktop on both systems. VM guest
starts fine. When I connect from XEN host to VM guest via vnc I first
see lxdm login screen. But if I move the mouse within the vnc window the
X server on VM guest crashes.

This is the same behaviour as described in bug 1312484.

The bug was fixed with:
  http://cgit.freedesktop.org/xorg/xserver/commit/dix/devices.c?id=6a848122def0f2a439e21c50f22814db11760132

Please merge (or back-port) this commit into Ubuntu 14.04.

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  I have an Ubuntu 14.04 XEN (4.4) host with Ubuntu 14.04 VM guest. I'm
  using lxdm for login and lxde as desktop on both systems. VM guest
  starts fine. When I connect from XEN host to VM guest via vnc I first
  see lxdm login screen. But if I move the mouse within the vnc window the
  X server on VM guest crashes.
  
- This is the same behaviour as described in bug 1312484:
- https://bugs.launchpad.net/ubuntu-gnome/+bug/1312484
+ This is the same behaviour as described in bug 1312484.
  
  The bug was fixed with:
-   http://cgit.freedesktop.org/xorg/xserver/commit/dix/devices.c?id=6a848122def0f2a439e21c50f22814db11760132
+   http://cgit.freedesktop.org/xorg/xserver/commit/dix/devices.c?id=6a848122def0f2a439e21c50f22814db11760132
  
  Please merge (or back-port) this commit into Ubuntu 14.04.

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https://bugs.launchpad.net/bugs/1501727

Title:
  X segfault upon mouse move when used in XEN domu

Status in xorg-server package in Ubuntu:
  New

Bug description:
  I have an Ubuntu 14.04 XEN (4.4) host with Ubuntu 14.04 VM guest. I'm
  using lxdm for login and lxde as desktop on both systems. VM guest
  starts fine. When I connect from XEN host to VM guest via vnc I first
  see lxdm login screen. But if I move the mouse within the vnc window
  the X server on VM guest crashes.

  This is the same behaviour as described in bug 1312484.

  The bug was fixed with:
    http://cgit.freedesktop.org/xorg/xserver/commit/dix/devices.c?id=6a848122def0f2a439e21c50f22814db11760132

  Please merge (or back-port) this commit into Ubuntu 14.04.

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