Public bug reported:
I observed that by default the i915 chipset is not working on Ubuntu
10.04, and the same issue is still available on 10.10.
By default the system will start in text mode and you have do *manually* do the
following to enable it:
edit /etc/default/grub and edit line to include i915:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.modeset=1"
Now run update-grub and reboot
After this you will be able to use the graphic mode *but* the monitor
will not be detected and you will only have a very limited list of video
modes to choose from.
In my case I do have a Philips 170X6 monitor that supports 1280x1024 but
this mode is not selectable.
$ randr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2048 x 2048
VGA1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1360x768 59.8
1024x768 60.0*
800x600 60.3 56.2
848x480 60.0
640x480 59.9 59.9
$ sudo lshw -c display
*-display
description: VGA compatible controller
product: 82865G Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: p...@0000:00:02.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:16 memory:f0000000-f7ffffff memory:f8100000-f817ffff
ioport:c000(size=8)
Please tell me if you need further information and if it is possible to
repair this defective installation setup to make it work by default on
new installations.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: display i915
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i915 chipset not working by default on Ubuntu 10.04 and 10.10
https://bugs.launchpad.net/bugs/672064
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