我应该安装自由86在我的德班跑步IMX6 臂董事会，但它说它有没有安装候选者。
我已经尝试过了易于安装它。
debian@sr-imx6:~$ sudo apt-get install xserver-xfree86
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package xserver-xfree86 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'xserver-xfree86' has no installation candidate
我需要它，因为Qt 5我编译的应用程序，当我尝试时出现错误执行他们。
debian@sr-imx6:~$ ./Qt5_CinematicExperience
Xlib: extension "XFree86-DRI" missing on display ":0".
Xlib: extension "XFree86-DRI" missing on display ":0".
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
Xlib: extension "XFree86-DRI" missing on display ":0".
qt.qpa.xcb: QXcbConnection: XCB error: 147 (Unknown), sequence: 179, resource id: 49, major code: 140 (Unknown), minor code: 9
qt.qpa.xcb: QXcbConnection: XCB error: 148 (Unknown), sequence: 181, resource id: 0, major code: 140 (Unknown), minor code: 20
Xlib: extension "XFree86-DRI" missing on display ":0".
Segmentation fault
嗯，我的系统信息输出，
debian@sr-imx6:~$ uname -a
Linux sr-imx6 4.9.150-imx6-sr #1 SMP Sat Jun 22 06:22:03 UTC 2019 armv7l GNU/Linux
我想用自由86代替奥格因为我认为，GPU驱动程序对于我的 X11 Debian 板，IMX-GPU-viv-x11，不支持奥格， 但自由86。正如我提到的，当我尝试执行 CPP 应用程序时，它给出了该错误，Xlib：显示“：0”上缺少扩展名“XFree86-DRI”，然后是一个分段故障错误。