bugzilla-daemon at freedesktop.org
2010-Jun-09 19:36 UTC
[Nouveau] [Bug 28470] New: Cannot set AGP rate - system unstable.
https://bugs.freedesktop.org/show_bug.cgi?id=28470
Summary: Cannot set AGP rate - system unstable.
Product: xorg
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: blocker
Priority: medium
Component: Driver/nouveau
AssignedTo: nouveau at lists.freedesktop.org
ReportedBy: a51473 at bofthew.com
QAContact: xorg-team at lists.x.org
I have gigabyte 7nf-rz motherboard. It is nforce2 based.
Problem is that chipset or particular board or bios or whatever... is unstable
when AGP rate is set to x8.
During heavy use (3d or even flash/mplayer video play) it tends to lock system
hard. So hard, that even played sound is looped inside soundcard buffers.
This problem is persistent over many windows xp installations, various linux
distros, many nvidia blob drivers. My card is nv7600gs, but even amd radeon
9200 suffer same problem.
Solution is simple: set agp to x4 - problem solved 100%.
Nvidia blob allowed me to do it.
Now I'm using fedora13 with nouveau.
Is there any way to set agp rate to x4?
My setup:
xorg-x11-drv-nouveau-0.0.16-6.20100423git13c1043.fc13.i686
libdrm-2.4.20-1.fc13.i686
kernel-PAE-2.6.33.5-112.fc13.i686
Yes, this problem is a blocker for me to became nouveau user in long term.
Have nice day.
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bugzilla-daemon at freedesktop.org
2010-Sep-08 00:46 UTC
[Nouveau] [Bug 28470] Cannot set AGP rate - system unstable.
https://bugs.freedesktop.org/show_bug.cgi?id=28470
Francisco Jerez <currojerez at riseup.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #1 from Francisco Jerez <currojerez at riseup.net> 2010-09-07
17:46:56 PDT ---
(In reply to comment #0)> I have gigabyte 7nf-rz motherboard. It is nforce2 based.
> Problem is that chipset or particular board or bios or whatever... is
unstable
> when AGP rate is set to x8.
> During heavy use (3d or even flash/mplayer video play) it tends to lock
system
> hard. So hard, that even played sound is looped inside soundcard buffers.
> This problem is persistent over many windows xp installations, various
linux
> distros, many nvidia blob drivers. My card is nv7600gs, but even amd radeon
> 9200 suffer same problem.
>
> Solution is simple: set agp to x4 - problem solved 100%.
> Nvidia blob allowed me to do it.
>
> Now I'm using fedora13 with nouveau.
> Is there any way to set agp rate to x4?
>
I've added an option to control the AGP rate, "modprobe nouveau
agpmode=4"
should do what you want, I hope it helps.
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