Bug 45634

board: Acube Sam460ex with SM502 

system testing:
xorg-server-10.4
xf86-video-siliconmotion-1.7.5
kernel linux-3.3-rc2

root@sam460:~# cat /var/log/Xorg.0.log
[   199.790]
X.Org X Server 1.10.4
Release Date: 2011-08-19
[   199.791] X Protocol Version 11, Revision 0
[   199.791] Build Operating System: Linux 3.3.0-rc2 ppc
[   199.791] Current Operating System: Linux sam460 3.3.0-rc2 #2 Sat Feb 4 20:34:21 CET 2012 ppc
[   199.792] Kernel command line: root=/dev/sda3 ro video=800x600 console=tty0 console=ttyS0,115200 udbg-immortal
[   199.793] Build Date: 05 February 2012  02:05:42AM
[   199.793]
[   199.793] Current version of pixman: 0.24.0
[   199.793]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[   199.794] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   199.796] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Feb  5 03:36:59 2012
[   199.807] (==) Using config file: "/etc/X11/xorg.conf"
[   199.807] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   199.810] (==) ServerLayout "X.org Configured"
[   199.810] (**) |-->Screen "Screen0" (0)
[   199.810] (**) |   |-->Monitor "Monitor0"
[   199.810] (**) |   |-->Device "Card0"
[   199.811] (==) Automatically adding devices
[   199.811] (==) Automatically enabling devices
[   199.812] (WW) The directory "/usr/share/fonts/X11/OTF/" does not exist.
[   199.812]    Entry deleted from font path.
[   199.812] (WW) The directory "/usr/share/fonts/X11/Type1/" does not exist.
[   199.812]    Entry deleted from font path.
[   199.812] (==) FontPath set to:
        /usr/share/fonts/X11/misc/,
        /usr/share/fonts/X11/TTF/,
        /usr/share/fonts/X11/100dpi/,
        /usr/share/fonts/X11/75dpi/
[   199.812] (==) ModulePath set to "/usr/lib/xorg/modules"
[   199.812] (II) The server relies on udev to provide the list of input devices.
        If no devices become available, reconfigure udev or disable AutoAddDevices.
[   199.812] (II) Loader magic: 0x10253ee8
[   199.812] (II) Module ABI versions:
[   199.812]    X.Org ANSI C Emulation: 0.4
[   199.812]    X.Org Video Driver: 10.0
[   199.812]    X.Org XInput driver : 12.2
[   199.813]    X.Org Server Extension : 5.0
[   199.813] (--) PCI:*(1:0:6:0) 126f:0501:0101:0101 rev 192, Mem @ 0x80000000/67108864, 0x84000000/2097152
[   199.814] (WW) "glx" will not be loaded unless you've specified it to be loaded elsewhere.
[   199.814] (WW) "dri" will not be loaded unless you've specified it to be loaded elsewhere.
[   199.814] (II) "extmod" will be loaded by default.
[   199.814] (II) "dbe" will be loaded by default.
[   199.814] (II) "glx" will be loaded even though the default is to disable it.
[   199.814] (II) "record" will be loaded by default.
[   199.814] (II) "dri" will be loaded even though the default is to disable it.
[   199.814] (II) "dri2" will be loaded by default.
[   199.814] (II) LoadModule: "extmod"
[   199.866] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[   199.868] (II) Module extmod: vendor="X.Org Foundation"
[   199.868]    compiled for 1.10.4, module version = 1.0.0
[   199.868]    Module class: X.Org Server Extension
[   199.868]    ABI class: X.Org Server Extension, version 5.0
[   199.868] (II) Loading extension MIT-SCREEN-SAVER
[   199.868] (II) Loading extension XFree86-VidModeExtension
[   199.868] (II) Loading extension XFree86-DGA
[   199.868] (II) Loading extension DPMS
[   199.868] (II) Loading extension XVideo
[   199.869] (II) Loading extension XVideo-MotionCompensation
[   199.869] (II) Loading extension X-Resource
[   199.869] (II) LoadModule: "dbe"
[   199.870] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[   199.871] (II) Module dbe: vendor="X.Org Foundation"
[   199.871]    compiled for 1.10.4, module version = 1.0.0
[   199.871]    Module class: X.Org Server Extension
[   199.871]    ABI class: X.Org Server Extension, version 5.0
[   199.871] (II) Loading extension DOUBLE-BUFFER
[   199.871] (II) LoadModule: "record"
[   199.872] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[   199.873] (II) Module record: vendor="X.Org Foundation"
[   199.874]    compiled for 1.10.4, module version = 1.13.0
[   199.874]    Module class: X.Org Server Extension
[   199.874]    ABI class: X.Org Server Extension, version 5.0
[   199.874] (II) Loading extension RECORD
[   199.874] (II) LoadModule: "dri2"
[   199.875] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[   199.897] (II) Module dri2: vendor="X.Org Foundation"
[   199.897]    compiled for 1.10.4, module version = 1.2.0
[   199.897]    ABI class: X.Org Server Extension, version 5.0
[   199.897] (II) Loading extension DRI2
[   199.897] (II) LoadModule: "siliconmotion"
[   199.898] (II) Loading /usr/lib/xorg/modules/drivers/siliconmotion_drv.so
[   199.898] (II) Module siliconmotion: vendor="X.Org Foundation"
[   199.898]    compiled for 1.10.4, module version = 1.7.5
[   199.898]    Module class: X.Org Video Driver
[   199.898]    ABI class: X.Org Video Driver, version 10.0
[   199.898] (II) SMI: driver (version 1.7.5) for Silicon Motion Lynx chipsets: Lynx,
        LynxE, Lynx3D, LynxEM, LynxEM+, Lynx3DM, Cougar3DR, MSOC
[   199.899] (--) using VT number 7

[   199.919] (WW) Falling back to old probe method for siliconmotion
[   199.920] (--) Assigning device section with no busID to primary device
[   199.920] (**) Chipset override: msoc
[   199.920] (**) Chipset MSOC found
[   199.920] (II) Loading /usr/lib/xorg/modules/drivers/siliconmotion_drv.so
[   199.926] (**) SMI(0): Depth 16, (--) framebuffer bpp 16
[   199.926] (==) SMI(0): RGB weight 565
[   199.926] (==) SMI(0): Default visual is TrueColor
[   199.927] (**) SMI(0): Option "pci_burst" "1"
[   199.927] (**) SMI(0): Option "pci_retry" "1"
[   199.927] (**) SMI(0): Option "HWCursor" "1"
[   199.927] (**) SMI(0): Option "UseBIOS" "0"
[   199.927] (**) SMI(0): Option "AccelMethod" "XAA"
[   199.927] (**) SMI(0): Option "PanelSize" "1024x768"
[   199.927] (**) SMI(0): Option "UseFBDev" "1"
[   199.927] (**) SMI(0): Option "CSCVideo" "0"
[   199.927] (**) SMI(0): PCI Burst enabled
[   199.927] (**) SMI(0): PCI Retry enabled
[   199.927] (**) SMI(0): UseFBDev enabled.
[   199.928] (**) SMI(0): Using Hardware Cursor
[   199.928] (**) SMI(0): Chipset: "msoc"
[   199.928] (==) SMI(0): Dual head disabled
[   199.928] (**) SMI(0): Using XAA acceleration architecture
[   199.928] (**) SMI(0): CSC Video disabled
[   199.928] (**) SMI(0): videoram: 65536kB
[   199.928] (II) SMI(0): TFT Panel Size = 1024x768
[   199.928] (==) SMI(0): Using gamma correction (1.0, 1.0, 1.0)
[   199.928]
Backtrace:
[   199.928] 0: /usr/bin/X (xorg_backtrace+0x48) [0x10078404]
[   199.929] 1: /usr/bin/X (0x10000000+0x7e1fc) [0x1007e1fc]
[   199.929] 2: (vdso) (__kernel_sigtramp_rt32+0x0) [0x100350]
[   199.929] 3: /usr/lib/xorg/modules/drivers/siliconmotion_drv.so (0xf707000+0x12664) [0xf719664]
[   199.929] 4: /usr/bin/X (InitOutput+0xb38) [0x10094248]
[   199.929] 5: /usr/bin/X (0x10000000+0x194f8) [0x100194f8]
[   199.930] 6: /lib/libc.so.6 (0xf837000+0x1f7e4) [0xf8567e4]
[   199.930] 7: /lib/libc.so.6 (0xf837000+0x1f970) [0xf856970]
[   199.930] Segmentation fault at address 0x3c
[   199.930]
Fatal server error:
[   199.930] Caught signal 11 (Segmentation fault). Server aborting
[   199.930]
[   199.930]
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[   199.930] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[   199.930]