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The Net Takeaway: Ubuntu 8.04 Hardy Heron and Virtual PC


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Ubuntu 8.04 Hardy Heron and Virtual PC · 05/13/2008 11:51 PM, Tech

Accd to comment below (Thanks, Jerry!), in comments on site Arcane Code

Hi! I was getting the same error message trying both booting into live environment and install mode. Adding boot parameters noapic nolapic and vga=791 solved the problem for me.

In addition, comment from BimmerM3 links to a post where a guy reveals that noreplace-paravirt is the magic thing to add to get past the errors.

I’ll try that next but wanted to put it here in case you guys have time to try it before I do.

Original Post: ================

I’ve written before about my fun with Virtual PC and Ubuntu.

Ubuntu 7.10 and No Mouse on Virtual PC
Ubuntu 7.04 and No Mouse on Virtual PC
All Nettakeaway articles with Ubuntu

Now, with the latest release of 8.04 Hardy Heron ISO, I can’t even get the LiveCD to boot. I get to the Select language screen, I select English, then to the “Try Ubuntu without any change to your computer”. It loads Kernel quickly, then I get “An unrecoverable processor error has been encountered. The virtual machine will reset now.”

There’s probably some parameter here or there that I need to set, but yet again, the most popular Linux config out there somehow failed to test on the free virtual environment owned by the largest software company in the world. I know Linux guys’ disdain for MS, but come on.

So, I’m sure I can install it to a drive and all will work. But right now, I’ve got nothing to say about it, and that’s not good.

I will say that Innotek’s VirtualBox, now part of Sun, loaded the LiveCD flawlessly with really great performance. An amazing open source product, I highly recommend it. Download it here.

BTW, I have no idea if the mouse will work or not… but I would check those links above and be prepared.

* * *


  1. Same issue here. Runs in Virtual Server 2005 fine however.

    Adam    Apr 25, 11:16 PM    #

  2. look at

    Jerry    Apr 26, 06:39 AM    #

  3. Same here. I’m a Windows developer, but I want to play with Linux. It really stinks that the latest and greatest (LTS) release of Ubuntu fails to run on a VPC. Bad, Ubuntu!

    Mikael    Apr 26, 07:41 AM    #

  4. I solved the “uncrecoverable processor error” by using a combination of F6’s “Safe Graphics Mode” and F8 with “vga=791” tacked onto the end of the command line

    graye    Apr 26, 05:22 PM    #

  5. None of above solutions solve my issue. I am still getting “unrecoverable processor error”. UBUNTU, WTF were you thinking????

    Jack    May 1, 02:15 PM    #

  6. F4 – Safe Graphics Mode
    F6 – add “vga=791 noreplace-paravirt”

    I edited the grub file below to make permanent:
    vi /boot/grub/menu.lst

    add the same “vga=791 noreplace-paravirt”
    write and quit (:wq)
    at the kernal bootline (near bottom of file)

    Also did sound fix from “IAP”
    sudo vi /etc/rc.local

    add “modprobe snd-sb16?
    (before exit 0)
    write and quit (:wq)

    Reboot – Works Great!!

    Ken    May 7, 05:06 PM    #

  7. In case you are not a “vi” expert, I use nano or pico from the command line. Also, you may need to type “sudo pico” to get Ubuntu to let you edit. These editors are less powerful than vi or emacs, but much easier to figure out.

    BTW, if you haven’t seen it yet,

    Michael Wexler    May 7, 05:28 PM    #

  8. Hi guys, The problem has been solved. Check this link:

    BimmerM3    May 13, 11:43 PM    #

  9. So does the command line look like this? — Because this doen’t work either…

    file=/cdrom/pressed/ubuntu.seed boot=casper initrd=/casper/initrd.gz quiet splash vga=791 noreplace-paravirt —

    Brian Jester    May 23, 04:30 AM    #

  10. Thanks a lot for the “vga=791 noreplace-paravirt” !
    It works fine in MS VirtualServer 2005R2

    jonarb    Jul 1, 01:38 PM    #

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