Bug#660394: Screen goes blank @30 seconds into boot
On Sat, 2012-04-07 at 21:39 +0100, Ben Hutchings wrote:
> On Sat, 2012-02-25 at 10:55 -0500, Joel Heaton wrote:
> > On Wed, 2012-02-22 at 05:10 -0600, Jonathan Nieder wrote:
> > > tags 660394 - patch moreinfo
> > > quit
> > >
> > > Joel Heaton wrote:
> > >
> > > > I made the change by editing drivers/acpi/video.c but the bug is
> > > > recreated.
> > >
> > > Thanks for the quick feedback. Let's take this upstream.
> > >
> > > Please report this on http://bugs.freedesktop.org/ product DRI,
> > > component DRM/Intel following instructions from
> > >
> > > [1]http://intellinuxgraphics.org/how_to_report_bug.html
> > >
> > > and let us know the bug number so we can track it.
> >
> > While gathering information to post in Bugzilla, I discovered that my
> > chipset is H61. According to [1] above, the driver for this chipset is
> > i965 whereas I am using i915. I 965 appears to be installed:
> [...]
>
> You're mixing up several different things. Modern graphics drivers are
> split into several parts:
>
> 1. Kernel driver (initialisation, display connector and mode setting
> (KMS, fb), memory management and command stream support (DRM))
> 2. libdrm driver (userland command stream support)
> 3. X driver (accelerated X rendering)
> 4. Mesa driver (accelerated OpenGL rendering)
>
> In your case these parts are:
>
> 1. /lib/modules/<release>/kernel/drivers/gpu/drm/i915/i915.ko
> 2. /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1.0.0
> 3. /usr/lib/xorg/modules/drivers/intel_drv.so
> 4. /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
>
> Not all of these components support the same range of GPUs, hence the
> different names.
>
> Ben.
>
Thanks for that explanation.
Joel
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