[Clug-tech] my screen resolution problem
Dan Mueller
danm at reliable-tube.com
Fri Apr 9 08:02:49 PDT 2010
Hey Shawn. Please see below a list of all of the commands you said to do
and the results aswell......
dan at dan-desktop:~$ sudo su
[sudo] password for dan:
root at dan-desktop:/home/dan# cd /
root at dan-desktop:/# lsmod
Module Size Used by
binfmt_misc 8356 1
snd_intel8x0 30168 2
snd_ac97_codec 101216 1 snd_intel8x0
ac97_bus 1532 1 snd_ac97_codec
snd_pcm_oss 37920 0
snd_mixer_oss 16028 1 snd_pcm_oss
snd_pcm 75296 3
snd_intel8x0,snd_ac97_codec,snd_pcm_oss
iptable_filter 3100 0
snd_seq_dummy 2656 0
ppdev 6688 0
ip_tables 11692 1 iptable_filter
x_tables 16544 1 ip_tables
psmouse 56500 0
serio_raw 5280 0
bttv 118964 0
ir_common 48512 1 bttv
v4l2_common 17500 1 bttv
videodev 36736 2 bttv,v4l2_common
v4l1_compat 14336 1 videodev
videobuf_dma_sg 12544 1 bttv
videobuf_core 17952 2 bttv,videobuf_dma_sg
btcx_risc 4740 1 bttv
tveeprom 11872 1 bttv
parport_pc 31940 1
snd_seq_oss 28576 0
snd_seq_midi 6464 0
snd_rawmidi 22176 1 snd_seq_midi
snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi
snd_seq 50224 7
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 22276 2 snd_pcm,snd_seq
snd_seq_device 6920 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 59204 15
snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,sn
d_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 7264 1 snd
snd_page_alloc 9156 2 snd_intel8x0,snd_pcm
shpchp 32272 0
lp 8964 0
parport 35340 3 ppdev,parport_pc,lp
fbcon 36640 72
tileblit 2460 1 fbcon
font 8124 1 fbcon
bitblit 5372 1 fbcon
softcursor 1756 1 bitblit
i915 226120 1
drm 160032 1 i915
i2c_algo_bit 5760 2 bttv,i915
tulip 48320 0
e100 32420 0
mii 5212 1 e100
floppy 54916 0
video 19380 1 i915
output 2780 1 video
intel_agp 27676 2 i915
agpgart 34988 2 drm,intel_agp
root at dan-desktop:/# aptitude search intel
p intel-gpu-tools - tools for
debugging the Intel graphics dri
p intel-microcode - Processor
microcode data file for Intel CP
v intel-rng-tools -
p intel2gas - A converter
from NASM assembly language to
p inteltool - Dump Intel CPU
/ chipset configuration par
i libdrm-intel1 - Userspace
interface to intel-specific kern
p libdrm-intel1-dbg - Userspace
interface to intel-specific kern
i xserver-xorg-video-intel - X.Org X server
-- Intel i8xx, i9xx display
p xserver-xorg-video-intel-dbg - X.Org X server
-- Intel i8xx, i9xx display
root at dan-desktop:/# apt-get install
xserver-xorg-video-intel
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer
required:
linux-headers-2.6.31-14 vcdimager
linux-headers-2.6.31-14-generic
Use 'apt-get autoremove' to remove them.
The following packages will be upgraded:
xserver-xorg-video-intel
1 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 600kB of archives.
After this operation, 0B of additional disk space will be used.
Get:1 http://ca.archive.ubuntu.com
karmic-updates/main xserver-xorg-video-intel
2:2.9.0-1ubuntu2.1 [600kB]
Fetched 600kB in 7s (76.2kB/s)
(Reading database ... 190044 files and directories currently installed.)
Preparing to replace xserver-xorg-video-intel
2:2.9.0-1ubuntu2 (using
.../xserver-xorg-video-intel_2%3a2.9.0-1ubuntu2.1_i386.deb)
...
Unpacking replacement xserver-xorg-video-intel ...
Processing triggers for man-db ...
Setting up xserver-xorg-video-intel
(2:2.9.0-1ubuntu2.1) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place root at dan-desktop:/# sudo
dpkg-reconfigure -phigh xserver-xorg root at dan-desktop:/#
Dan
-----Original Message-----
From: clug-tech-bounces at clug.ca [mailto:clug-tech-bounces at clug.ca] On Behalf
Of Shawn
Sent: Thursday, April 08, 2010 3:20 PM
To: CLUG Tech
Subject: Re: [Clug-tech] my screen resolution problem
Dan Mueller wrote:
> root at dan-desktop:/# lspci
> 00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM
> Controller/Host-Hub Interface (rev 01)
> 00:02.0 VGA compatible controller: Intel Corporation
> 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
This line tells us that you have an Intel video card and the specific
model. So we need to make sure the appropriate drivers are installed
and being referenced by X-Windows.
First I would take a look at the output of the "lsmod" command - this
will show you what modules are installed. I suspect the wrong module is
in use, and we'll have to disable it and enable the Intel specific module.
I just did a quick Google search for "linux module intel brookdale-g",
and it appears we are after the i845g. I believe this module is in the
xserver-xorg-video-intel package. So, next step is to first remove any
existing Intel drivers (such as the 915 stuff). You can do
aptitude search intel
and look at packages with the "i" in the first column. If you see the
xserver-xorg-video-intel package, but uninstall the 915resolution
package if it is installed. If needed, install the
xserver-xorg-video-intel package with
sudo apt-get install xserver-xorg-video-intel
Now, hopefully the right drivers are available. You can try your luck
with a reboot, but lets be a little more proactive. Run this command:
sudo dpkg-reconfigure -phigh xserver-xorg
(note, this command is pulled from a web page that is referencing an
older version of Ubuntu - so it may not work as described here... That
web page is http://ubuntuforums.org/showthread.php?t=434175, found )
On the resulting screen you should be able to pick your driver. If you
don't see an Intel driver listed, go with "vesa". On the next screen
you can select the desired resolutions you want available. select the
one you want.
Now, we can get the various modules loaded here, but it is probably
easier to just reboot your computer and let the start up routine take
over. Once you are logged in, you can go into the system settings and
select the new resolution if it wasn't automatically selected. IF you
boot up and don't get a graphical mode, hit CTRL-ALT-F1 a couple of
times to get back to a console window - or use recovery mode on boot.
Then run the reconfigure command (above) again, and select a lower
resolution.
This sounds like a lot of work, but really it's just a minute or two of
time. IF at this point you are still having problems, let us know
and/or bring the box by COSSFEST on Saturday afternoon - we'll have
people there who can help you out (head towards the Audio Workshop...)
Hope to hear it all goes well for you.
Shawn
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