使用-platform eglfs運行Qt5應用程序時，i.MX6上的分段錯誤

Question

我試圖通過指定eglfs平台在沒有X Server的情況下運行hellogl_es2 Qt示例：

> ./hellogl_es2 -platform eglfs
No protocol specified
Segmentation fault (core dumped)

CPU是飛思卡爾i.MX6。

Linux內核是3.10.17。

發行版是Ubuntu 14.04.4 LTS（可信賴）。

Qt版本是5.2.1，從http ： armhf體系結構，軟件包qtbase5-dev ， qtbase5-examples和qtbase5-examples-dbg 。

核心轉儲為（ gcoOS_InitLocalDisplayInfo中的libGAL.so問題）：

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Reading symbols from hellogl_es2...Reading symbols from /usr/lib/debug/.build-id/6f/8a8dfdb5abe920e37000a98092b4058b56da0a.debug...done.
done.
[New LWP 2802]
[New LWP 2803]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
Core was generated by `./hellogl_es2 -platform eglfs'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb5dd0c84 in gcoOS_InitLocalDisplayInfo () from /usr/lib/arm-linux-gnueabihf/vivante/libGAL.so
(gdb) bt
#0  0xb5dd0c84 in gcoOS_InitLocalDisplayInfo () from /usr/lib/arm-linux-gnueabihf/vivante/libGAL.so
#1  0xb5d095f8 in ?? () from /usr/lib/arm-linux-gnueabihf/libEGL.so.1
/build/buildd/gdb-7.7.1/gdb/frame.c:472: internal-error: get_frame_id: Assertion `fi->this_id.p' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.

其行為與其他Qt示例項目相同。

當X Server運行時，指定xcb平台（ -platform xcb ，即默認值）可以正常工作。

Answer 1

我設法通過以下方法解決“分段錯誤”問題：

apt-get install gpu-viv-bin-mx6q-fb

（會自動卸載gpu-viv-bin-mx6q-x11 ）。

但是，現在我還有另一個問題： 使用-platform eglfs運行Qt5應用程序時，在i.MX6上出現了“ EGL錯誤：無法創建EGL表面：錯誤0x300b”