i915kms.ko: when loaded with Haswell HD4600, display goes blank

[NGie Cooper]

On Thu, Jan 29, 2015 at 10:52 AM, O. Hartmann
<ohartman at zedat.fu-berlin.de> wrote:
>
> Having trouble with loading i915kms.ko on a Haswell-based Lenovo ThinkPad E540. The
> laptop is equippted with a Intel i5-4200M CPU with integrated HD4600 iGPU. Recent update
> of CURRENT and loading of i915kms.ko turns the display immediately blank. Laptop is
> accessible via ssh and network. Only display is dead.
>
> I suppose this a bug?

Yes, very much so. What's your svn revision and can you please create
a bug for this issue?