QScreenLinuxFb::connect: Device or resource busy [复制链接]

qt-extended 4.4.3  编译后运行出现错误，请大家指点指点

[root@Samsung bin]# ./qpe &                                                    
1126                                                                            
[root@Samsung bin]# QLinuxFbScreen::connect: Invalid argument                  
Error: failed to map framebuffer device to memory.                              
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0                                      
QScreenLinuxFb::connect: Device or resource busy                                
Error opening framebuffer device /dev/fb0        

framebuffer没打开吧，
看提示默认是fb0，可能楼主的板子上是其他名字
尝试用其他不需要GUI的程序试试能不能打印东西

楼上正解framebuffer没打开
QT打开的默认是FB0 你可以把你的做个连接过去就可以打开了~