基于RK3568Ubuntu-base移植后的系统，通过移植Qt在开发板上运行Qt可执行文件失败

无糖加冰123

1. hopes@localhost:~$ export QT_QPA_PLATFORM=linuxfb
   
2. hopes@localhost:~$ export QT_QPA_PLATFORM_PLUGIN_PATH=/usr/lib/qt5/plugins
   
3. hopes@localhost:~$ export QT_QPA_FONTDIR=/usr/share/fonts/truetype/dejavu
   
4. hopes@localhost:~$ ./Qt_RK3568_demo
   
5. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins" ...
   
6. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes" ...
   
7. QFactoryLoader::QFactoryLoader() looking at "/home/hopes/main_RK3568"
   
8. "Failed to extract plugin meta data from '/home/hopes/main_RK3568'"
   
9.          not a plugin
   
10. QFactoryLoader::QFactoryLoader() looking at "/home/hopes/Qt_RK3568_demo"
    
11. "Failed to extract plugin meta data from '/home/hopes/Qt_RK3568_demo'"
    
12.          not a plugin
    
13. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins/platforms" ...
    
14. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/platforms/libqlinuxfb.so"
    
15. Found metadata in lib /usr/lib/qt5/plugins/platforms/libqlinuxfb.so, metadata=
    
16. {
    
17.     "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    
18.     "MetaData": {
    
19.         "Keys": [
    
20.             "linuxfb"
    
21.         ]
    
22.     },
    
23.     "archreq": 0,
    
24.     "className": "QLinuxFbIntegrationPlugin",
    
25.     "debug": false,
    
26.     "version": 331520
    
27. }
    
28. 
    
29. 
    
30. Got keys from plugin meta data ("linuxfb")
    
31. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/platforms/libqminimal.so"
    
32. Found metadata in lib /usr/lib/qt5/plugins/platforms/libqminimal.so, metadata=
    
33. {
    
34.     "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    
35.     "MetaData": {
    
36.         "Keys": [
    
37.             "minimal"
    
38.         ]
    
39.     },
    
40.     "archreq": 0,
    
41.     "className": "QMinimalIntegrationPlugin",
    
42.     "debug": false,
    
43.     "version": 331520
    
44. }
    
45. 
    
46. 
    
47. Got keys from plugin meta data ("minimal")
    
48. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/platforms/libqoffscreen.so"
    
49. Found metadata in lib /usr/lib/qt5/plugins/platforms/libqoffscreen.so, metadata=
    
50. {
    
51.     "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    
52.     "MetaData": {
    
53.         "Keys": [
    
54.             "offscreen"
    
55.         ]
    
56.     },
    
57.     "archreq": 0,
    
58.     "className": "QOffscreenIntegrationPlugin",
    
59.     "debug": false,
    
60.     "version": 331520
    
61. }
    
62. 
    
63. 
    
64. Got keys from plugin meta data ("offscreen")
    
65. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/platforms/libqvnc.so"
    
66. Found metadata in lib /usr/lib/qt5/plugins/platforms/libqvnc.so, metadata=
    
67. {
    
68.     "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    
69.     "MetaData": {
    
70.         "Keys": [
    
71.             "vnc"
    
72.         ]
    
73.     },
    
74.     "archreq": 0,
    
75.     "className": "QVncIntegrationPlugin",
    
76.     "debug": false,
    
77.     "version": 331520
    
78. }
    
79. 
    
80. 
    
81. Got keys from plugin meta data ("vnc")
    
82. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes/platforms" ...
    
83. loaded library "/usr/lib/qt5/plugins/platforms/libqlinuxfb.so"
    
84. Failed to mmap framebuffer (Invalid argument)
    
85. linuxfb: Failed to initialize screen
    
86. qt.qpa.input: evdevkeyboard: Using device discovery
    
87. qt.qpa.input: static device discovery for type QFlags<QDeviceDiscovery::QDeviceType>(Device_Keyboard)
    
88. qt.qpa.input: doing static device discovery for  "/dev/input/event0"
    
89. qt.qpa.input: doing static device discovery for  "/dev/input/event1"
    
90. qt.qpa.input: doing static device discovery for  "/dev/input/event2"
    
91. qt.qpa.input: doing static device discovery for  "/dev/input/event3"
    
92. qt.qpa.input: doing static device discovery for  "/dev/input/event4"
    
93. qt.qpa.input: doing static device discovery for  "/dev/input/event5"
    
94. qt.qpa.input: doing static device discovery for  "/dev/input/event6"
    
95. qt.qpa.input: doing static device discovery for  "/dev/input/event7"
    
96. qt.qpa.input: doing static device discovery for  "/dev/input/event8"
    
97. qt.qpa.input: Found matching devices ()
    
98. qt.qpa.input: evdevmouse: Using device discovery
    
99. qt.qpa.input: static device discovery for type QFlags<QDeviceDiscovery::QDeviceType>(Device_Mouse|Device_Touchpad)
    
100. qt.qpa.input: doing static device discovery for  "/dev/input/event0"
     
101. qt.qpa.input: doing static device discovery for  "/dev/input/event1"
     
102. qt.qpa.input: doing static device discovery for  "/dev/input/event2"
     
103. qt.qpa.input: doing static device discovery for  "/dev/input/event3"
     
104. qt.qpa.input: doing static device discovery for  "/dev/input/event4"
     
105. qt.qpa.input: doing static device discovery for  "/dev/input/event5"
     
106. qt.qpa.input: doing static device discovery for  "/dev/input/event6"
     
107. qt.qpa.input: doing static device discovery for  "/dev/input/event7"
     
108. qt.qpa.input: doing static device discovery for  "/dev/input/event8"
     
109. qt.qpa.input: Found matching devices ()
     
110. qt.qpa.input: evdevtouch: Using device discovery
     
111. qt.qpa.input: static device discovery for type QFlags<QDeviceDiscovery::QDeviceType>(Device_Touchpad|Device_Touchscreen)
     
112. qt.qpa.input: doing static device discovery for  "/dev/input/event0"
     
113. qt.qpa.input: doing static device discovery for  "/dev/input/event1"
     
114. qt.qpa.input: doing static device discovery for  "/dev/input/event2"
     
115. qt.qpa.input: Found touchscreen at "/dev/input/event2"
     
116. qt.qpa.input: doing static device discovery for  "/dev/input/event3"
     
117. qt.qpa.input: doing static device discovery for  "/dev/input/event4"
     
118. qt.qpa.input: doing static device discovery for  "/dev/input/event5"
     
119. qt.qpa.input: doing static device discovery for  "/dev/input/event6"
     
120. qt.qpa.input: doing static device discovery for  "/dev/input/event7"
     
121. qt.qpa.input: doing static device discovery for  "/dev/input/event8"
     
122. qt.qpa.input: Found matching devices ("/dev/input/event2")
     
123. qt.qpa.input: evdevtouch: Adding device at /dev/input/event2
     
124. qt.qpa.input: evdevtouch: Using device /dev/input/event2
     
125. qt.qpa.input: evdevtouch: /dev/input/event2: Protocol type B  (multi), filtered=no
     
126. qt.qpa.input: evdevtouch: /dev/input/event2: min X: 0 max X: 800
     
127. qt.qpa.input: evdevtouch: /dev/input/event2: min Y: 0 max Y: 1280
     
128. qt.qpa.input: evdevtouch: /dev/input/event2: min pressure: 0 max pressure: 0
     
129. no screens available, assuming 24-bit color
     
130. qt.qpa.input: evdevtouch: /dev/input/event2: device name: dsi1_ts_gt9xx
     
131. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins/styles" ...
     
132. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes/styles" ...
     
133. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins/iconengines" ...
     
134. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes/iconengines" ...
     
135. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins/imageformats" ...
     
136. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqgif.so"
     
137. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqgif.so, metadata=
     
138. {
     
139.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
140.     "MetaData": {
     
141.         "Keys": [
     
142.             "gif"
     
143.         ],
     
144.         "MimeTypes": [
     
145.             "image/gif"
     
146.         ]
     
147.     },
     
148.     "archreq": 0,
     
149.     "className": "QGifPlugin",
     
150.     "debug": false,
     
151.     "version": 331520
     
152. }
     
153. 
     
154. 
     
155. Got keys from plugin meta data ("gif")
     
156. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqicns.so"
     
157. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqicns.so, metadata=
     
158. {
     
159.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
160.     "MetaData": {
     
161.         "Keys": [
     
162.             "icns"
     
163.         ],
     
164.         "MimeTypes": [
     
165.             "image/x-icns"
     
166.         ]
     
167.     },
     
168.     "archreq": 0,
     
169.     "className": "QICNSPlugin",
     
170.     "debug": false,
     
171.     "version": 331520
     
172. }
     
173. 
     
174. 
     
175. Got keys from plugin meta data ("icns")
     
176. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqico.so"
     
177. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqico.so, metadata=
     
178. {
     
179.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
180.     "MetaData": {
     
181.         "Keys": [
     
182.             "ico",
     
183.             "cur"
     
184.         ],
     
185.         "MimeTypes": [
     
186.             "image/vnd.microsoft.icon",
     
187.             "image/vnd.microsoft.icon"
     
188.         ]
     
189.     },
     
190.     "archreq": 0,
     
191.     "className": "QICOPlugin",
     
192.     "debug": false,
     
193.     "version": 331520
     
194. }
     
195. 
     
196. 
     
197. Got keys from plugin meta data ("ico", "cur")
     
198. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqjpeg.so"
     
199. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqjpeg.so, metadata=
     
200. {
     
201.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
202.     "MetaData": {
     
203.         "Keys": [
     
204.             "jpg",
     
205.             "jpeg"
     
206.         ],
     
207.         "MimeTypes": [
     
208.             "image/jpeg",
     
209.             "image/jpeg"
     
210.         ]
     
211.     },
     
212.     "archreq": 0,
     
213.     "className": "QJpegPlugin",
     
214.     "debug": false,
     
215.     "version": 331520
     
216. }
     
217. 
     
218. 
     
219. Got keys from plugin meta data ("jpg", "jpeg")
     
220. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqtga.so"
     
221. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqtga.so, metadata=
     
222. {
     
223.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
224.     "MetaData": {
     
225.         "Keys": [
     
226.             "tga"
     
227.         ],
     
228.         "MimeTypes": [
     
229.             "image/x-tga"
     
230.         ]
     
231.     },
     
232.     "archreq": 0,
     
233.     "className": "QTgaPlugin",
     
234.     "debug": false,
     
235.     "version": 331520
     
236. }
     
237. 
     
238. 
     
239. Got keys from plugin meta data ("tga")
     
240. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqtiff.so"
     
241. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqtiff.so, metadata=
     
242. {
     
243.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
244.     "MetaData": {
     
245.         "Keys": [
     
246.             "tiff",
     
247.             "tif"
     
248.         ],
     
249.         "MimeTypes": [
     
250.             "image/tiff",
     
251.             "image/tiff"
     
252.         ]
     
253.     },
     
254.     "archreq": 0,
     
255.     "className": "QTiffPlugin",
     
256.     "debug": false,
     
257.     "version": 331520
     
258. }
     
259. 
     
260. 
     
261. Got keys from plugin meta data ("tiff", "tif")
     
262. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqwbmp.so"
     
263. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqwbmp.so, metadata=
     
264. {
     
265.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
266.     "MetaData": {
     
267.         "Keys": [
     
268.             "wbmp"
     
269.         ],
     
270.         "MimeTypes": [
     
271.             "image/vnd.wap.wbmp"
     
272.         ]
     
273.     },
     
274.     "archreq": 0,
     
275.     "className": "QWbmpPlugin",
     
276.     "debug": false,
     
277.     "version": 331520
     
278. }
     
279. 
     
280. 
     
281. Got keys from plugin meta data ("wbmp")
     
282. QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt5/plugins/imageformats/libqwebp.so"
     
283. Found metadata in lib /usr/lib/qt5/plugins/imageformats/libqwebp.so, metadata=
     
284. {
     
285.     "IID": "org.qt-project.Qt.QImageIOHandlerFactoryInterface",
     
286.     "MetaData": {
     
287.         "Keys": [
     
288.             "webp"
     
289.         ],
     
290.         "MimeTypes": [
     
291.             "image/webp"
     
292.         ]
     
293.     },
     
294.     "archreq": 0,
     
295.     "className": "QWebpPlugin",
     
296.     "debug": false,
     
297.     "version": 331520
     
298. }
     
299. 
     
300. 
     
301. Got keys from plugin meta data ("webp")
     
302. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes/imageformats" ...
     
303. loaded library "/usr/lib/qt5/plugins/imageformats/libqgif.so"
     
304. loaded library "/usr/lib/qt5/plugins/imageformats/libqicns.so"
     
305. loaded library "/usr/lib/qt5/plugins/imageformats/libqico.so"
     
306. loaded library "/usr/lib/qt5/plugins/imageformats/libqjpeg.so"
     
307. loaded library "/usr/lib/qt5/plugins/imageformats/libqtga.so"
     
308. loaded library "/usr/lib/qt5/plugins/imageformats/libqtiff.so"
     
309. loaded library "/usr/lib/qt5/plugins/imageformats/libqwbmp.so"
     
310. loaded library "/usr/lib/qt5/plugins/imageformats/libqwebp.so"
     
311. QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt5/plugins/accessiblebridge" ...
     
312. QFactoryLoader::QFactoryLoader() checking directory path "/home/hopes/accessiblebridge" ...
     
313. Cannot create window: no screens available
     
314. Aborted (core dumped)
     

复制代码

这是我尝试运行Qt时出现的日志。我基本能确定的是：1、GNOME桌面是正常运行的
2、Qt可执行程序的依赖、权限、架构aarch64适配是没问题的；Qt库移植也没啥问题【开发思路上在Zynq已经验证过】

3、通过chatgpt给的原因是：尝试使用Linux Framebuffer时mmap framebuffer失败，出现了初始化屏幕失败的问题，导致无法创建窗口，从而导致程序终止。
4、我更换过不同的显示平台插件，但当前只有Linuxfb检测到。
求助一下路过的大佬。这个该怎么解决呢？