[mythtv-users] Change on Raspberry PI OS to kernel 5.4.51 causing issues with Mythtv??

James Abernathy jfabernathy at gmail.com
Wed Jul 22 22:48:29 UTC 2020


On Wed, Jul 22, 2020 at 6:33 PM James Abernathy <jfabernathy at gmail.com>
wrote:

> I was helping someone on the forum with a mythtv light problem and
> discovered I now had it also.
>
> I just installed a fresh Raspberry Pi OS with Desktop and did a full
> update and discovered that the kernel is now 5.4.51.
> I use MikeB's pi-utils that install v31 mythtv-light and setup the
> raspberry Pi for mythfrontend.  Always works until today.
>
> I've attached the console output, but the key difference now is that
> mythfrontend never starts and it seems to loop with the error message below
> until you kill it from ssh.
>
> Could not queue DRM page flip on screen HDMI1 (Invalid argument)
>
> Jim A
>
What seems to get around it is this:

Get rid of the part referencing the json file:

QT_QPA_EGLFS_KMS_CONFIG=/home/pi/pi_mythfrontend.json
and added the export:

export QT_QPA_EGLFS_ALWAYS_SET_MODE="1"

Jim A
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