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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [Ubuntu 10.04.4 LTS 32-bit] Severe instability of VIA Technologies Apollo MVP3 chipset and NVIDIA RIVA TNT2 M64 graphics"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56340#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [Ubuntu 10.04.4 LTS 32-bit] Severe instability of VIA Technologies Apollo MVP3 chipset and NVIDIA RIVA TNT2 M64 graphics"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56340">bug 56340</a>
from <span class="vcard"><a class="email" href="mailto:hancockrwd@gmail.com" title="Robert Hancock <hancockrwd@gmail.com>"> <span class="fn">Robert Hancock</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=56340#c5">comment #5</a>)
<span class="quote">> Regarding the reason for the freeze, I can think of the following.
>
> - Is Nouveau is accessing the VGA BIOS of the card during boot, and the VGA
> BIOS is a little buggy?
> - Does the VGA BIOS's initialization code configuring RIVA TNT2 64 in a
> certain way that contributes to the freeze with Apollo MVP3 chipset?</span >
I would suspect the latter - these old VIA AGP implementations were notoriously
unstable and problematic even in Windows and it's not unlikely that different
BIOS versions may configure the card differently (AGP 2X/4X, AGP fast writes
on/off, etc.)
You can also try updating the motherboard BIOS and try playing with any
AGP-related BIOS settings to see if they change the situation.</pre>
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