On Mon, 31 Jan 2011, selvamuthukumar v wrote:
> On Mon, Jan 31, 2011 at 6:46 PM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote:
> > On Mon, 31 Jan 2011, selvamuthukumar v wrote:
> >
> >> On Sat, Jan 29, 2011 at 4:13 PM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote:
> >> >
> >>
> >> > diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
> >> > index 64fd644..28adc6d 100644
> >> > --- a/drivers/gpu/drm/i915/intel_opregion.c
> >> > +++ b/drivers/gpu/drm/i915/intel_opregion.c
> >> > @@ -495,6 +495,8 @@ int intel_opregion_setup(struct drm_device *dev)
> >> > opregion->acpi = base + OPREGION_ACPI_OFFSET;
> >> > }
> >> >
> >> > +return 0; // rday
> >> > +
> >> > if (mboxes & MBOX_SWSCI) {
> >> > DRM_DEBUG_DRIVER("SWSCI supported\n");
> >> > opregion->swsci = base + OPREGION_SWSCI_OFFSET;
> >> >
> >> >
> >>
> >> Yes. I was also facing similar issue. This workaround works for me.
> >> Tested using lenovo R61.
> >
> > so you're saying that you were persistently getting a black screen
> > boot, but that that simple tweak solved the problem? i'm not scared
> > to admit that i still don't understand *how* that fixes things, i was
> > just following the guidance of the appropriate mailing list and, so
> > far, things have been working. i'm sure there will be a formal fix in
> > the near future.
> >
>
> Yes. I was getting black screen consistently. I do not remember
> exactly from which version issue started happening. But behavior was
> different with different kernel version. In 2.6.37 I used to get
> scrambled output. In 2.6.38-rc2 I get black screen, but CAPSLOCK LED
> is blinking continuously, probably a kernel panic. With this
> workaround I get the desktop.
ok, thanks for clearing that up. i still haven't heard back from
the intel mailing list so if anyone wants to try to narrow things down
further, feel free. i don't know why this fixes things but, until i
do, i'm just going to keep applying this patch to my git build.
rday
--
========================================================================
Robert P. J. Day Waterloo, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@xxxxxxxxxxxxxxxxx
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
