I've had a look through all the modesetting codepaths and those suspicious modelines are entirely benign. The codepaths for both the working system and the non-working systems appear to be the same, so this is going to be a subtle bug.
I'll forward this bug upstream.
I've had a look through all the modesetting codepaths and those suspicious modelines are entirely benign. The codepaths for both the working system and the non-working systems appear to be the same, so this is going to be a subtle bug.
I'll forward this bug upstream.