i.MX6Q Android 6.0.1 HDMI re-plug issue

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i.MX6Q Android 6.0.1 HDMI re-plug issue

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m_c
Senior Contributor I

Customer found i.MX6Q Android 6.0.1 screen will became weird (HDMI-display-weird.jpg) and console show error message (HDMI-error-console.jpg) after plugin/out HDMI cable several times. However, this issue isn't easy to duplicate manually . So customer use another way to duplicate with below command (HDMI-error-console.jpg). Then screen will became weird and show error message same as plugin/out HDMI cable serveral times manually. If change mode back, the screen will became normal (HDMI-display-re-change.jpg), but with flick and mouse cursor lag, and error message (imx6.gralloc: FBIOPAN_DISPLAY failed: Invalid argument) still keep print.

Hardware: MCIMX6Q-SDP

Software: Android 6.0.1

cd /sys/class/graphics/fb0

echo "V:640x480p-60" > mode

logcat -c

logcat

imx6.gralloc: FBIOPAN_DISPLAY failed: Invalid argument

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diegoadrian
NXP Employee
NXP Employee

Hello

I apologize for the delay. 

Let me verify with my board. I will let you know if I can reproduce the error.

Best Regards,

Diego.

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frankweng
Contributor III

Hi Diego Adrian Cuevas

Is this problem solved?

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diegoadrian
NXP Employee
NXP Employee

Hello,

I apologize for the delay.

Unfortunately, the problem is still not solved, I am still working on that. It seems to be a problem with a buffer overflow. Please give some time. I apologize for the inconveniences this is taking to you.

Best regards.

Diego.

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frankweng
Contributor III

Thank you, in the trouble you have any solution informing me, thank you.

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diegoadrian
NXP Employee
NXP Employee

Hello,

Just to inform you about the updates.

I tested also with the Android 7 version. But apparently, the commands that you are using does nothing to the Android image output. Can you please see if that version solves the problem that you have?

Best Regards,

Diego.

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