1. 在PandaBoard上運行mer, 然後kill掉xbmc
systemctl stop uxlaunch
2. 重新啓動xbmc:
(2.1) 執行命令 xbmc
XBMC needs hardware accelerated OpenGL rendering.
Install an appropriate graphics driver.
Please consult XBMC Wiki for supported hardware
http://wiki.xbmc.org/?title=Supported_hardware
(2.2)執行xbmc --no-test
params.c:OpenConfFile() - Unable to open configuration file "/root/.smb/smb.conf":No such file or directory
params.c:OpenConfFile() - Unable to open configuration file "/etc/samba/smb.conf":
No such file or directory
Can't open display
[ 513.276916] omapdss DISPC error: timeout waiting for EVSYNC
[ 513.372955] omapdss DISPC error: timeout waiting for EVSYNC
[ 513.381042] omap_device: omapdss_hdmi.-1: new worst case activate latency 0: 61035
[ 513.512725] omapdss DISPC error: timeout waiting for EVSYNC
[ 513.614318] omapdss DISPC error: timeout waiting for EVSYNC
[ 513.776489] SDP4430 Media: asoc: SDP4430 Media no valid playback route from source to sink
ERROR: Unable to create application. Exiting
(2.3) 執行X,啓動X server, 可以啓動X,
但是提示的錯誤和之前chroot環境下的一樣,同時啓動xbmc同樣會出錯,同時會導致xbmc退出。
【注】此種情況說明,在mer的環境中在命令行中執行xbmc好像存在一些問題。
(2.4)重啓uxlaunch.service, xbmc可以正常啓動。
(2.5)直接執行uxlaunch命令,xbmc也可以正常啓動。
3. Uxlaunch 的簡介
Ux是User experience的縮寫,“Uxlaunch is a generic X session launch utility, designed to quickly start X and a user desktop.” Uxlaunch的作用應該是爲用戶啓動Xserver 並建立一個GUI會話。
4. systemd的簡介
systemd對linux來說就是一個系統和服務管理工具,其實就是相當於init程序的作用,用來替代Sysvinit和Upstart。