bsp : L3.14.38-6ul-ga
board : im6q-sabresd
fs : fsl-image-qt5 or fsl-image-gui
backend : x11
系统启动过程 可以看到 yocto 进度 ** , 然后黑屏。
xorg log如下：
root@imx6qsabresd:~# cat /var/log/Xorg.0.log
[1063106.906]
X.Org X Server 1.17.2
Release Date: 2015-06-16
[1063106.906] X Protocol Version 11, Revision 0
[1063106.906] Build Operating System: Linux 3.13.0-32-generic x86_64
[1063106.906] Current Operating System: Linux imx6qsabresd 3.14.38-134346-ge4d0573-dirty #7 SMP PREEMPT Sat Dec 5 22:56:22 CST 2015 armv7l
[1063106.906] Kernel command line: console=ttymxc0,115200 coherent_pool=32M root=/dev/mmcblk3p2 rootwait rw
[1063106.906] Build Date: 22 November 2015 09:34:15AM
[1063106.906]
[1063106.907] Current version of pixman: 0.32.6
[1063106.907] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[1063106.907] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[1063106.907] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Nov 25 15:58:05 2015
[1063106.919] (==) Using config file: "/etc/X11/xorg.conf"
[1063106.919] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[1063106.932] (==) No Layout section. Using the first Screen section.
[1063106.932] (==) No screen section available. Using defaults.
[1063106.932] (**) |-->Screen "Default Screen Section" (0)
[1063106.932] (**) | |-->Monitor "<default monitor>"
[1063106.933] (==) No device specified for screen "Default Screen Section".
Using the first device section listed.
[1063106.933] (**) | |-->Device "i.MX Accelerated Framebuffer Device"
[1063106.933] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[1063106.933] (**) Option "BlankTime" "0"
[1063106.933] (**) Option "StandbyTime" "0"
[1063106.933] (**) Option "SuspendTime" "0"
[1063106.933] (**) Option "OffTime" "0"
[1063106.933] (==) Automatically adding devices
[1063106.933] (==) Automatically enabling devices
[1063106.933] (==) Automatically adding GPU devices
[1063106.941] (WW) The directory "/usr/share/fonts/X11/TTF/" does not exist.
[1063106.941] Entry deleted from font path.
[1063106.941] (WW) The directory "/usr/share/fonts/X11/OTF/" does not exist.
[1063106.941] Entry deleted from font path.
[1063106.941] (WW) The directory "/usr/share/fonts/X11/Type1/" does not exist.
[1063106.941] Entry deleted from font path.
[1063106.943] (==) FontPath set to:
/usr/share/fonts/X11/misc/,
/usr/share/fonts/X11/100dpi/,
/usr/share/fonts/X11/75dpi/
[1063106.943] (==) ModulePath set to "/usr/lib/xorg/modules"
[1063106.943] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[1063106.944] (II) Loader magic: 0x1b1bb0
[1063106.944] (II) Module ABI versions:
[1063106.944] X.Org ANSI C Emulation: 0.4
[1063106.944] X.Org Video Driver: 19.0
[1063106.944] X.Org XInput driver : 21.0
[1063106.944] X.Org Server Extension : 9.0
[1063106.945] (II) xfree86: Adding drm device (/dev/dri/card0)
[1063106.945] (II) no primary bus or device found
[1063106.945] falling back to /sys/devices/platform/Vivante GCCore/drm/card0
[1063106.947] (II) LoadModule: "glx"
[1063106.959] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[1063107.007] (II) Module glx: vendor="X.Org Foundation"
[1063107.007] compiled for 1.17.2, module version = 1.0.0
[1063107.008] ABI class: X.Org Server Extension, version 9.0
[1063107.008] (==) AIGLX enabled
[1063107.008] (II) LoadModule: "vivante"
[1063107.008] (II) Loading /usr/lib/xorg/modules/drivers/vivante_drv.so
[1063107.013] (II) Module vivante: vendor="X.Org Foundation"
[1063107.013] compiled for 1.17.2, module version = 1.0.0
[1063107.013] Module class: X.Org Video Driver
[1063107.013] ABI class: X.Org Video Driver, version 19.0
[1063107.013] (II) VIVANTE: driver for vivante fb: VivanteGC500, VivanteGC2100,
VivanteGCCORE
[1063107.013] (--) using VT number 1
[1063107.075] (WW) Falling back to old probe method for vivante
[1063107.075] (II) Loading sub module "fbdevhw"
[1063107.075] (II) LoadModule: "fbdevhw"
[1063107.075] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[1063107.081] (II) Module fbdevhw: vendor="X.Org Foundation"
[1063107.081] compiled for 1.17.2, module version = 0.0.2
[1063107.081] ABI class: X.Org Video Driver, version 19.0
[1063107.081] (II) VIVANTE(0): using default device
[1063107.081] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[1063107.081] (II) VIVANTE(0): Device preferred mode 'fb0':U:1024x600p-64
[1063107.081] (II) VIVANTE(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 16/16
[1063107.082] (==) VIVANTE(0): Depth 16, (==) framebuffer bpp 16
[1063107.082] (==) VIVANTE(0): RGB weight 565
[1063107.082] (==) VIVANTE(0): Default visual is TrueColor
[1063107.082] (==) VIVANTE(0): Using gamma correction (1.0, 1.0, 1.0)
[1063107.083] (**) VIVANTE(0): Option "fbdev" "/dev/fb0"
[1063107.083] (II) VIVANTE(0): checking modes against framebuffer device...
[1063107.083] (II) VIVANTE(0): checking modes against monitor...
[1063107.083] (II) VIVANTE(0): Use built in mode (bpp 16)
[1063107.083] (--) VIVANTE(0): Virtual size is 0x0 (pitch 0)
[1063107.083] (==) VIVANTE(0): DPI set to (96, 96)
[1063107.083] (II) Loading sub module "fb"
[1063107.083] (II) LoadModule: "fb"
[1063107.084] (II) Loading /usr/lib/xorg/modules/libfb.so
[1063107.089] (II) Module fb: vendor="X.Org Foundation"
[1063107.089] compiled for 1.17.2, module version = 1.0.0
[1063107.089] ABI class: X.Org ANSI C Emulation, version 0.4
[1063107.089] (II) Loading sub module "exa"
[1063107.089] (II) LoadModule: "exa"
[1063107.089] (II) Loading /usr/lib/xorg/modules/libexa.so
[1063107.093] (II) Module exa: vendor="X.Org Foundation"
[1063107.093] compiled for 1.17.2, module version = 2.6.0
[1063107.093] ABI class: X.Org Video Driver, version 19.0
[1063107.190] (II) VIVANTE(0): printing discovered frame buffer 'fb0' supported modes:
[1063107.191] (II) VIVANTE(0): Modeline "U:1024x600p-64"x0.0 57.00 1024 1104 1284 1364 600 620 640 645 -hsync -vsync -csync (41.8 kHz eP)
[1063107.211] (II) VIVANTE(0): Output DISP4 BG has no monitor section
[1063107.211] (II) VIVANTE(0): Printing probed modes for output DISP4 BG
[1063107.211] (II) VIVANTE(0): Modeline "U:1024x600p-64"x64.8 57.00 1024 1104 1284 1364 600 620 640 645 -hsync -vsync -csync (41.8 kHz eP)
[1063107.211] (II) VIVANTE(0): Output DISP4 BG connected
[1063107.211] (II) VIVANTE(0): Using exact sizes for initial modes
[1063107.211] (II) VIVANTE(0): Output DISP4 BG using initial mode U:1024x600p-64
[1063107.211] (II) VIVANTE(0): imxDisplayPreInit: virtual set 1024 x 600, display width 0
[1063107.211] (II) VIVANTE(0): FBDevPreInit: adjust display width 1024
[1063107.211] (**) VIVANTE(0): PreInit done
[1063107.212] (II) VIVANTE(0): Init mode for fb device
[1063107.259] (II) VIVANTE(0): hardware: DISP4 BG (video memory: 8164kB)
[1063107.260] (II) VIVANTE(0): FB Start = 0x75e19000 FB Base = 0x75e19000 FB Offset = (nil) FB PhyBase 0x46d00000
[1063107.260] (II) VIVANTE(0): reserve 4177920 bytes for on screen frame buffer; total fb memory size 8359936 bytes; offset of shadow buffer 4177920
[1063107.263] (II) VIVANTE(0): hardware: DISP4 BG (video memory: 8164kB)
[1063107.297] (II) VIVANTE(0): test Initializing EXA
[1063107.297] (II) VIVANTE(0): (driver build from: -dirty)
[1063107.304] (II) EXA(0): Driver allocated offscreen pixmaps
[1063107.304] (II) EXA(0): Driver registered support for the following operations:
[1063107.304] (II) Solid
[1063107.304] (II) Copy
[1063107.304] (II) Composite (RENDER acceleration)
[1063107.304] (II) UploadToScreen
[1063107.304] (EE)
[1063107.304] (EE) Backtrace:
[1063107.304] (EE)
[1063107.304] (EE) Segmentation fault at address 0xe0
[1063107.304] (EE)
Fatal server error:
[1063107.304] (EE) Caught signal 11 (Segmentation fault). Server aborting
[1063107.304] (EE)
[1063107.304] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[1063107.304] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[1063107.304] (EE)
[1063107.316] (EE) Server terminated with error (1). Closing log file.
应该有人遇到同样的问题， 不知道是怎么解决的
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