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Old 01-30-04, 05:23 PM   #1
twalter
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Join Date: Jan 2004
Location: In a house
Posts: 5
Unhappy AGP won't enable on Medion 40566 laptop

I'm experiencing an odd issue with a GeForce Go 5200 (built into my laptop).
Essentially AGP won't enable (or possibly report being enabled) when using the nvidia kernel drivers. I've tried with NvAGP 0 thru 3 and only 0 works. All others result in a black screen (but the machine still traps CRTL-ALT-DEL and reboots properly.) The Xfree86.0.log indicates that AGP is disabled and then truncates (hung, I guess.) glxgears will indicate either 5fps or 2000+ depending on it's mood, phase of the moon, etc. BIOS settings in this machine are bloody useless -- does anyone know how to unhide them? It's a standard PHOENIX BIOS but half the usual settings are missing! I've tried both 4496 & 5328 driver versions.

I've included as much info as I can think of that relates and will try kernel 2.6 tonight to see if it makes any difference.

Regards

- Todd.

==== Technical Stuff ====

I'm running:

XFree86 Version 4.3.99.902 (4.4.0 RC 2)
Release Date: 18 December 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: Linux 2.4.22-gentoo-r5 i686 [ELF]
Current Operating System: Linux opus.myownworld.ca 2.4.22-gentoo-r5 #3 Thu Jan 29 12:48:09 EST 2004 i686
Build Date: 28 January 2004

Specs:
Medion 40566 - P4 2.6GHz 512MB

Pertinent info:

cat /proc/driver/nvidia/cards/0:

Model: GeForce FX Go5200
IRQ: 5
Video BIOS: 04.34.20.17.04
Card Type: AGP

cat /proc/driver/nvidia/version

NVRM version: NVIDIA Linux x86 nvidia.o Kernel Module 1.0-5328 Wed Dec 17 13:54:51 PST 2003
GCC version: gcc version 3.3.2 20031218 (Gentoo Linux 3.3.2-r5, propolice-3.3-7)

cat /proc/driver/nvidia/agp/host-bridge
Host Bridge: Silicon Integrated Systems [SiS] SiS 645xx
Fast Writes: Not Supported
SBA: Supported
AGP Rates: 8x 4x
Registers: 0x1f004e0b:0x00000000

cat /proc/driver/nvidia/agp/status
Status: Disabled

cat /proc/driver/nvidia/agp/card
Fast Writes: Supported
SBA: Supported
AGP Rates: 8x 4x
Registers: 0x1f000e1b:0x00000000


from syslog:

agpgart: Maximum main memory to use for agp memory: 437M
agpgart: Detected SiS 648 chipset
agpgart: AGP aperture is 256M @ 0xc0000000

lspci -vv -s 01:00

0000:01:00.0 VGA compatible controller: nVidia Corporation: Unknown device 0324 (rev a1) (prog-if 00 [VGA])
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 3130
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 248 (1250ns min, 250ns max)
Interrupt: pin A routed to IRQ 5
Region 0: Memory at d1000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at e0000000 (32-bit, prefetchable) [size=128M]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [44] AGP version 3.0
Status: RQ=32 Iso- ArqSz=0 Cal=3 SBA+ ITACoh- GART64- HTrans- 64bit- FW+ AGP3+ Rate=x4,x8
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW- Rate=<none>

lspci -vv -s 00:00
0000:00:00.0 Host bridge: Silicon Integrated Systems [SiS] SiS 645xx (rev 03)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
Latency: 64
Region 0: Memory at c0000000 (32-bit, non-prefetchable) [size=256M]
Capabilities: [c0] AGP version 3.0
Status: RQ=32 Iso- ArqSz=2 Cal=3 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3+ Rate=x4,x8
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW- Rate=<none>

cat /etc/modules.d/nvidia

# Nvidia drivers support
alias char-major-195 nvidia
alias /dev/nvidiactl char-major-195

options NVreg_SoftEDIDS=0 NVreg_Mobile=3 NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1 NVreg_ReqAGPRate=8
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Old 02-01-04, 08:57 AM   #2
adnans
Geforce FX5200Go
 
Join Date: Aug 2002
Posts: 21
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Hi,

I think I have the exact same notebook as you have and it's been working wonderfully with all recent driver release. Have you tried disabling kernel AGP support completely, and then using NvAgp "1" ??

-adnans
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Old 02-01-04, 01:30 PM   #3
twalter
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Join Date: Jan 2004
Location: In a house
Posts: 5
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As it turns out, I did just that (again.) I'm not sure what I did differently this time around but "NvAGP 1" successfully enabled AGP at 8X with SBA. Fastwrites appear to be unsupported with this chipset even though lspci -vv on the 645 seems to indicate it could be turned on. I'll have to twiddle with it and see what happens. The only real issue I have now is "screen jerks" even when doing non-OpenGL things like reading email. I believe this is due to my using the experimental Render feature. If it gets too annoying I'll turn it off.

- Todd.
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