Difference between revisions of "DRM KMS troubleshooting grid"

[unchecked revision] [quality revision]
 

Some typical issues related to the DRM/KMS framework are listed below. Solutions or debugging methods are proposed for these issues.

If your issue is not listed, try also looking in the articles in the DRM/KMS or troubleshooting grids categories.


Symptom Resolution
Board $> ./myQtApplication
Could not queue DRM page flip! (Permission denied)
Could not queue DRM page flip! (Permission denied)

The psplash-drm userland splash screen is running and is then the DRM master, avoiding other DRM applications to access to DRM/KMS. Please stop this psplash-drm application with the command below before running your use case:

Board $> psplash-drm-quit

Note: You may way need to enter use "export QT_QPA_EGLFS_ALWAYS_SET_MODE=1" before running your Qt application, please refer to the Qt documentation.



Some typical issues related to the '''DRM/KMS''' framework are listed below. Solutions or debugging methods are proposed for these issues.

If your issue is not listed, try also looking in the articles in the [[:Category:DRM KMS|DRM/KMS]] or [[:Category:Troubleshooting grids|troubleshooting grids]] categories.

{{:Troubleshooting grid table template}}<onlyinclude>
<includeonly>

! colspan="2" | DRM/KMS
|-</includeonly>

|
 {{Board$}} ./myQtApplication
 Could not queue DRM page flip! (Permission denied)
 Could not queue DRM page flip! (Permission denied)
||
The '''psplash-drm''' userland splash screen is running and is then the DRM master, avoiding other DRM applications to access to DRM/KMS. Please stop this '''psplash-drm''' application with the command below before running your use case:
 {{Board$}} psplash-drm-quit
Note: You mayway need to enteruse "export QT_QPA_EGLFS_ALWAYS_SET_MODE=1" before running your Qt application, please refer to the Qt documentation.</onlyinclude>

|}
<noinclude>

{{ArticleBasedOnModel | Troubleshooting grid article model}}
{{PublicationRequestId | 10288 | 2019-01-15 | PhilipS}}
[[Category:DRM KMS]]
[[Category:Troubleshooting grids]]</noinclude>
Line 16: Line 16:
 
The '''psplash-drm''' userland splash screen is running and is then the DRM master, avoiding other DRM applications to access to DRM/KMS. Please stop this '''psplash-drm''' application with the command below before running your use case:
 
The '''psplash-drm''' userland splash screen is running and is then the DRM master, avoiding other DRM applications to access to DRM/KMS. Please stop this '''psplash-drm''' application with the command below before running your use case:
 
  {{Board$}} psplash-drm-quit
 
  {{Board$}} psplash-drm-quit
Note: You way need to use "export QT_QPA_EGLFS_ALWAYS_SET_MODE=1" before running your Qt application.
+
Note: You may need to enter "export QT_QPA_EGLFS_ALWAYS_SET_MODE=1" before running your Qt application, please refer to the Qt documentation.
 
</onlyinclude>
 
</onlyinclude>
 
|}
 
|}

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