Bug#627372: Console turns black during boot.

[Jonathan Nieder <jrnieder@gmail.com>]

Alan Zimmerman wrote:

> I reinstalled the video-intel package.
>
> When the console turns black, the machine is still usable. Booting in
> recovery mode makes no difference.

I see.  Removing the intel driver means removing the file in
/etc/modprobe.d that enables kernel mode setting (see NEWS.Debian.gz),
which works around the bug.

> Attached are the dmesg logs, and the bug script output, after booting
> normally with the driver installed.

Here's the relevant snippet:

> fbcon: inteldrmfb (fb0) is primary device
> [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
> render error detected, EIR: 0x00000010
>   IPEIR: 0x00000000
>   IPEHR: 0x00000000
>   INSTDONE: 0xfffffffe
>   INSTPS: 0x00000000
>   INSTDONE1: 0xffffffff
>   ACTHD: 0x00000000
> page table error
>   PGTBL_ER: 0x00000001
> [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking

Please also provide the content of the /debug/dri/0/i915_error_state
file.

Then we can take this upstream, following instructions from [1].

Thanks for a clear report,
Jonathan

[1] http://intellinuxgraphics.org/how_to_report_bug.html