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feat: update usage doc.

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Zhang Dian 2023-11-04 01:16:36 +08:00
parent cbea8156ad
commit 750f295c0f
1 changed files with 21 additions and 0 deletions
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demo/Semi.Avalonia.Demo.Drm/使用方法.md
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@ -54,3 +54,24 @@ sudo kmscube
解决方法：
>sudo chmod +x ./Semi.Avalonia.Demo.Drm
4. 报错内容
>Unhandled exception. System.ComponentModel.Win32Exception (95): drmModeGetResources failed
at Avalonia.LinuxFramebuffer.Output.DrmResources..ctor(Int32 fd, Boolean connectorsForceProbe) in /_/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmBindings.cs:line 91
at Avalonia.LinuxFramebuffer.Output.DrmCard.GetResources(Boolean connectorsForceProbe) in /_/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmBindings.cs:line 171
at Avalonia.LinuxFramebuffer.Output.DrmOutput..ctor(String path, Boolean connectorsForceProbe, DrmOutputOptions options) in /_/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs:line 60
at LinuxFramebufferPlatformExtensions.StartLinuxDrm(AppBuilder builder, String[] args, String card, Double scaling, IInputBackend inputBackend) in /_/src/Linux/Avalonia.LinuxFramebuffer/LinuxFramebufferPlatform.cs:line 166
at Semi.Avalonia.Demo.Drm.Program.Main(String[] args)
解决方法：
>`program.cs`的显卡路径错误，可能不是`dev/dri/card1`，看在`dev/dri`目录下有无其他的显卡如`card0`。
5. 报错内容
>Unhandled exception. System.ComponentModel.Win32Exception (2): Couldn't open /dev/dri/card1
at Avalonia.LinuxFramebuffer.Output.DrmCard..ctor(String ) in /_/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmBindings.cs:line 167
at Avalonia.LinuxFramebuffer.Output.DrmOutput..ctor(String , Boolean , DrmOutputOptions ) in /_/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs:line 58
at LinuxFramebufferPlatformExtensions.StartLinuxDrm(AppBuilder, String[], String , Double , IInputBackend ) in /_/src/Linux/Avalonia.LinuxFramebuffer/LinuxFramebufferPlatform.cs:line 166
at Semi.Avalonia.Demo.Drm.Program.Main(String[])
解决办法：
>找不到显卡路径`dev/dri/card1`，可能是显卡挂载到别的文件夹下了，待解决。