Testing the new i915 driver (G41 Express)

Juan Ramón Molina Menor listjm at club.fr
Sat Oct 24 19:13:45 UTC 2015


Hi!

The regression with the G41 Express GPU seemd resolved by recent 
changes. I can boot kernel.i915 and load i915kms in loader.conf, as 
before. X11 works. No issues found.

Thanks again,
Juan
> Hi!
>
> The new code (updated this morning) brings a regression with the G41
> Express GPU: as soon as I kldload i915kms the screen goes blank, without
> crashing the system.
>
> This GPU works well with the old i915 KMS driver, it even requires it to
> be usable, as the VT framebuffer at the standard resolution of 640x480
> flickers horribly and superposes part of the output on the top of the
> screen (see attached image showing the login prompt). Loading the old
> KMS driver cures this and the terminal changes the resolution to a nice
> 1920x1200.
>
> You’ll find attached the dmesg output for both the old and new code, as
> well as the pciconf output.
>
> Best regards,
> Juan


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