Qt examples: DRIUnlock called when not locked

[reyhanehyazdani]

Hello every one,

I am using imx6d board with the X11 image, Linux 4.9.88_2.0.0_ga

When I run any example of the Qt(/usr/share/qt/examples/), then in the log file of the Xorg, I face this error:

(EE) VIVANTE(0): DRIUnlock called when not locked.

On the screen, Qt-app works correctly and only in the log file, the error exists.

Do you have any idea what is the reason of this error and how can be resolved?

Best regards,

Reyhaneh

[igorpadykov]

Hi Reyhaneh

nxp provides limited qt examples in Linux 4.9.88_2.0.0 Demo Image

Linux Binary Demo Files - i.MX 6QuadPlus, i.MX 6Quad, i.MX 6DualPlus, i.MX 6Dual, i.MX 6DualLite, i....

Description can be found in sect.8.4 Qt 5 attached Linux Guide.

Best regards
igor
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[reyhanehyazdani]

Hi Igor,

This bug is available with NXP-Qt-Examples too.

You can test it:

- use X11

- Linux 4.9.88_2.0.0

- Galcore version 6.2.4.150331

- Yocto-Rocko

-Qt example: /usr/share/cinematicexperience-1.0/Qt5_CinematicExperience

- Run above Qt example, do Ctrl+C, and check Xorg log(/var/log/Xorg.0.log). By normal closing, there is no error. It is only when using ctrl+c.

Then you will find the Vivante error:

(EE) VIVANTE(0): DRIUnlock called when not locked.

The attachment you have sent me is the XWayland image, however I need to use X11 image.

Best,

Reyhaneh

[igorpadykov]

Hi Reyhaneh

seems "Ctrl+C" is well known problem as reported on many forums, so this may be posted on Qt mail list

CTRL+ shortcuts don't work on OSX with Qt 5.4 · Issue #203 · Swordfish90/cool-retro-term · GitHub 

Qt5 Ctrl-C not working when (sub-)QProcess is running | Qt Forum 

Best regards
igor