The bug has on 12.04, don't know if is on 12.10.  Don't use SIS671 anymore.
On Oct 21, 2012 8:20 AM, "helpfulboy02" <email address hidden> wrote:

> will the updated fix be Back ported to 12.10?
> or Earlier?
> It is an important bug
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/813639
>
> Title:
>   Gnome restart after passing the mouse on a non rectangular dual head
>   with SIS 671 and MergedFB
>
> Status in “xserver-xorg-video-sis” package in Ubuntu:
>   Triaged
>
> Bug description:
>   - This problem is the same in ubuntu 10.04 LTS
>   - Tested the with several drivers.
>
>   The same in Unity-2d and Ubuntu (11.04)
>
>   The same problem in: https://bugs.launchpad.net/bugs/575002  (status:
>   Incomplete → Expired)
>
>   This happens when i use a dual head with my laptop (1280x800) and a 17"
> LCD (1280x1024) and MergedFB.
>   Because this total area creates a non rectangular area, if I pass  the
> mouse in the non visible area (x) the x server restarts and discards all
> the open windows.
>
>   |-------------------------|
>   |  Laptop |                |
>   |                |     LCD    |
>   |------------|                |
>           X      |------------|
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 11.04
>   Package: xorg 1:7.6+4ubuntu3
>   ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
>   Uname: Linux 2.6.38-8-generic i686
>   Architecture: i386
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CompositorRunning: None
>   Date: Wed Jul 20 18:11:38 2011
>   DistUpgraded: Fresh install
>   DistroCodename: natty
>   DistroVariant: ubuntu
>   GraphicsCard:
>    Silicon Integrated Systems [SiS] 771/671 PCIE VGA Display Adapter
> [1039:6351] (rev 10) (prog-if 00 [VGA controller])
>      Subsystem: Fujitsu Technology Solutions Device [1734:1110]
>   InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386
> (20110427.1)
>   Lsusb:
>    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>    Bus 002 Device 002: ID 04f3:0212 Elan Microelectronics Corp. Laser Mouse
>    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   MachineType: FUJITSU SIEMENS ESPRIMO Mobile V5515
>   ProcEnviron:
>    LANGUAGE=pt:en
>    PATH=(custom, no user)
>    LANG=pt_PT.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
> root=UUID=e7fd3660-38f3-4e41-a268-252c12eaff97 ro quiet splash vt.handoff=7
>   Renderer: Unknown
>   SourcePackage: xorg
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 11/30/07
>   dmi.bios.vendor: Phoenix
>   dmi.bios.version: V1.10
>   dmi.board.name: Z17M
>   dmi.board.vendor: FUJITSU SIEMENS
>   dmi.board.version: V1.08
>   dmi.chassis.asset.tag: User Asset Tag
>   dmi.chassis.type: 1
>   dmi.chassis.vendor: FUJITSU SIEMENS
>   dmi.chassis.version: V1.08
>   dmi.modalias:
> dmi:bvnPhoenix:bvrV1.10:bd11/30/07:svnFUJITSUSIEMENS:pnESPRIMOMobileV5515:pvrV1.08:rvnFUJITSUSIEMENS:rnZ17M:rvrV1.08:cvnFUJITSUSIEMENS:ct1:cvrV1.08:
>   dmi.product.name: ESPRIMO Mobile V5515
>   dmi.product.version: V1.08
>   dmi.sys.vendor: FUJITSU SIEMENS
>   version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
>   version.libdrm2: libdrm2 2.4.23-1ubuntu6
>   version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
>   version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.14.0-4ubuntu7
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:0.0.16+git20110107+b795ca6e-0ubuntu7
>
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