[Intel-gfx] Black screen in kernel 3.10.11 console

[Daniel Vetter]

On Tue, Sep 10, 2013 at 5:17 PM, Franz Sauerzopf <sauer at ati.ac.at> wrote:
> Sorry for posting privately, but I'm not sure if this is a reasonable
> report. Please tell me if I should do differently....
>
> I run kernel 3.9.10 (slackware) on my asus zenbook ux31a. Intel, ivy
> bridge, i7, 15" ... no real problems.

Cc'ing mailing lists is always better than just sending a mail to me alone ;-)

> All tested kernels 3.10.5, 3.10.9, 3.10.11 lead to the console
> disappearing when it switches to the intel driver during the boot
> process. Black screen, but the backlight is on. The machine runs
> nicely though. I can log in the console (blindly) and reboot, or write
> a dmesg.
>
> Here is the dmesg from a blackscreen 3.10.11 boot process
> (drm.debug=0xe add_efi_mmap)
> https://dl.dropboxusercontent.com/u/87793960/dmsg_3.10.11_drmdebug0xe
>
> and the same for the working 3.9.10 kernel:
> https://dl.dropboxusercontent.com/u/87793960/dmsg_3.9.10_drmdebug0xe
>
> Sorry if I chose the wrong form to address you. Found similar bugs in
> a number of postings, but no bug report. Please tell me if I have to
> make a report - and where and how.

Might be one of the edp or backlight issues that plage ivb:

https://bugzilla.kernel.org/show_bug.cgi?id=59841
https://bugs.freedesktop.org/show_bug.cgi?id=67950

If it's neither of those pls file a bug report against DRI -> DRM
(Intel) on bugs.freedesktop.org.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch