[Intel-gfx] Black screen on boot with KMS and unable to start X

Scott Silverman ssilverman at simplexinvestments.com
Wed Mar 17 21:55:04 CET 2010


I tried updating to the driver you specified (Actually, I went to 2.10.902).

I still can't start X, I get:

(EE) intel(0): No kernel modesetting driver detected.
(EE) Screen(s) found, but none have a usable configuration.

I have checked dmesg, doesn't appear to be anything interesting there.

In the interest of confirming that I have a proper configuration, I changed
" Driver "Intel" " to " Driver "vesa" " temporarily, X started up (thought
without decorations, I didn't really bother to look into that).

I am currently using the uvesafb framebuffer driver, but as soon as the i915
module loads it enables modesetting and my display goes blank.


On Wed, Mar 17, 2010 at 2:15 PM, Haroldo Stenger
<haroldo.stenger at gmail.com>wrote:

> Scott,
>
> Having fighted 48 hours in a row with a very similar configuration,
> I'd tell you my tips:
>
> At a point in the configuration-changes line , I had
> xf86-video-intel-2.10.0 installed , and X did not start , but show a
> lot of errors. I upgraded to 2.10.901 , and X started.
>
> There was an EDID checksum problem in dmesg trail , but that did not
> disappear, however, X started working as I said.
>
> The other problem I was fighting , was that I I attached a LCD
> monitor, then ctrl alt f1 gave me a "out of range" error. That was
> because comething in the KMS thing was not acknowledgeing any of the
> /etc/fb.modes settings. If I typed "fbset" to obtain info, the timings
> appeared all in 0.
>
> Then I discovered a very magical thing , that enabled VGA , while
> keeping KMS , aparently with framebuffer console (fbcon). You have to
> put as a boot parameter in lilo or grub an item that reads like :
>
>     video="VGA-1:1024x768"
>
> I also tried
>
>     video="VGA-1:1024x768 at 72"
>
> and then I could use the LCD monitor again. The problem wasn't one if
> I used a CRT monitor, since it supported the misterious horiz freq KMS
> was trying to render.
>
>
> let me know.
>
> haroldo
>
>
> 2010/3/17 Scott Silverman <ssilverman at simplexinvestments.com>:
> > The fbcon driver is built-in to my kernel, which it seems was not the
> case
> > for your issue. I have looked through the vesafb and uvesafb
> documentation
> > from the kernel, but it is not clear to me how I would use this to
> configure
> > my framebuffer.
> >
> > What I do now is pass vga=773 as a kernel arg in grub, which along with
> > "nomodesetting" gets me a usable console, but I can not start X with that
> > configuration, even disregarding my other X issues.
> >
> > 2010/3/17 Andre Müller <andremuellerster at gmail.com>
> >>
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> On 03/17/10 17:44, Scott Silverman wrote:
> >> > I have an IBM Thinkpad X30 with the Intel Corporation 82830 CGC
> [Chipset
> >> > Graphics Controller] (rev 04).
> >> >
> >> > I am trying to install X with Arch Linux (kernel 2.6.32). I have the
> >> > xf86-video-intel v2.10.0-1.
> >> >
> >> > First, without X installed/running, if I boot the machine normally I
> get
> >> > nothing but a blank screen. Same if I set "i915.modeset=1".
> >> > Alternatively,
> >> > if i use the "nomodesetting" kernel argument I can properly boot and
> use
> >> > the
> >> > console.
> >> >
> >> > Output of dmesg when booted with i915.modeset=1:
> >> > http://paste.pocoo.org/show/190811/
> >> >
> >> > Xorg.0.log when started (via ssh) with i915.modeset=1:
> >> > http://paste.pocoo.org/show/190807/
> >> >
> >> >
> >> > How can I configure my kernel/xorg so that I can boot and see my
> >> > console,
> >> > and also have the ability to start X?
> >> >
> >> It may be the problem I once had as well...
> >>
> >> You need to make shure the framebuffer is enabled and loaded as
> >> well (that needs the framebuffer config option but do NOT select
> >> any of the framebuffers).
> >>
> >> The grory details are in
> >> http://bugs.freedesktop.org/show_bug.cgi?id=22674
> >> and somewhere on this ML.
> >>
> >> Best
> >> Andre
> >>
> >> >
> >> >
> >> >
> >> > _______________________________________________
> >> > Intel-gfx mailing list
> >> > Intel-gfx at lists.freedesktop.org
> >> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >>
> >> -----BEGIN PGP SIGNATURE-----
> >> Version: GnuPG v2.0.14 (GNU/Linux)
> >> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
> >>
> >> iEYEARECAAYFAkuhF9kACgkQhYOgL/M0VS2DBQCeNhO3meWU7s2PwVm0vAlnTgLh
> >> tI8AnRRusmYC9d0xDai3OIFkjhnnUIYb
> >> =ZnjD
> >> -----END PGP SIGNATURE-----
> >
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >
> >
>
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