I have opened up this question on launchpad too, but in the interest of getting a bigger response base I am posting it here, hoping someone will pick it up.

Natty doesn't behave very well with the Intel 82845GL chipset. I booted my old machine with Natty today to test drive it. The specs are:

Processor: Celeron 2.4GHz Video: Intel 845GL RAM: 1GB

The first problem is that the display is borked! What do I mean? Well, see for yourself:

enter image description here

If that gets fixed (and it did for a while but is back now), Unity is disabled.

I think these issues are owed to hardware acceleration being disabled...or in other words not the right driver for my hardware. A google search on 'intel 82845GL ubuntu' does return other users having similar problems in the past but I haven't been able to pick out a solution in the many many discussions on the subject- partly owed to my 'linux naivety' I guess...but maybe you can help?


Unity 2D is designed for old chipsets such as the 845 and 855 intel series.

Your issues are most probably due to buggy old drivers together with Compiz incompatibilities.

Suggest boot into recovery mode - with network support. Then install unity-2D

I have found with my i855 laptop that I need to boot with an extra grub parameter otherwise I get a similar login screwed up display -

can I suggest that you also see if either grub string i915.modeset=0 or i915.modeset=1 works for your PC. Follow my answer here on how to add it to grub - instructions also include how to fix in grub permanently.

As an alternative to Unity-2D, you could try a light-weight distribution such as Lubuntu (or possibly Xubuntu) which should work much better with very old graphics chipsets such as the i8xx chipsets.

  • Yeah, it's down to buggy drivers (& hardware too it seems). I have managed to install and run Unity 2D successfully using the 'nomodeset' option...but the system response is visibly laggy. Any suggestions on what else can be done? – aateeque Jul 19 '11 at 22:45
  • Both Lucid Karmic will make things worse due to blacklisting and lockup issues - wiki.ubuntu.com/X/Bugs/Mavericki8xxStatus It may be worth experimenting with xubuntu or lubuntu to see if things are better. – fossfreedom Jul 20 '11 at 21:47
  • I have now moved to Lubuntu and it is amazing! Probably the right choice for this hardware – aateeque Jul 21 '11 at 18:50
  • That's good news - I'll add this into my answer. – fossfreedom Jul 21 '11 at 18:52

The Intel 845 series chips have serious hardware errata. The Windows drivers at the time and the old Linux driver stack didn't exercise the parts of the hardware that don't work, so didn't run into problems.

The new Linux graphics stack (GEM/KMS/DRI2) exercises these hardware features. We disabled the Intel driver on your card because of this. This is why Unity doesn't work for you. See this answer for more details.

The video mode issue would appear to be a different problem. Logs (dmesg and /var/log/Xorg.0.log) are the price of admission for debugging that sort of problem.

  • When you say hardware errata...do you mean its buggy hardware? (i.e. stuff that can never be resolved?). I fixed the video problem using 'nomodeset'. I have tried modifying 'xorg.conf' to manually enable the Intel driver as per this page. This just results in a black screen after splash. What else can I do? I'll post dmesg and Xorg.log if it can help – aateeque Jul 19 '11 at 22:51

I found this to work for Ubuntu 17.04 on a Dell Inspiron 1100. It has the 82845GL. Don't forget to sudo update-grub.

stupid ~ 148# rcsdiff -r1.1 /etc/default/grub
RCS file: /etc/default/RCS/grub,v
retrieving revision 1.1
diff -r1.1 /etc/default/grub
> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=off vga=auto"
> GRUB_GFXMODE=1024x768
stupid ~ 149#  

This is for X version:

stupid ~ 163# X -version

X.Org X Server 1.19.3
Release Date: 2017-03-15
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-83-generic i686 Ubuntu
Current Operating System: Linux stupid 4.10.0-28-generic #32-Ubuntu SMP Fri Jun 30 05:31:03 UTC 2017 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0-28-generic root=UUID=145b8481-54a0-4fc1-b0d4-fe0ce02a3eb3 ro quiet splash acpi=off vga=auto vt.handoff=7
Build Date: 17 July 2017  02:37:53PM
xorg-server 2:1.19.3-1ubuntu1.1 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.34.0
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.

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