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To: linux-kernel@vger.kernel.org
Subject: Re: 4x card in 8x AGP KT600 = locked solid (AGP bug?)
Reply-To: Ian McConnell <ian@emit.demon.co.uk>
References: <871xm1tz1f.fsf@emit.demon.co.uk>
From: Ian McConnell <ian@emit.demon.co.uk>
Date: Tue, 04 May 2004 12:43:12 +0100
In-Reply-To: <871xm1tz1f.fsf@emit.demon.co.uk> (Ian McConnell's message of
 "Mon, 03 May 2004 14:34:20 +0100")
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Ian McConnell <kernel@emit.demon.co.uk> writes:

> So two difference implementations of DRI hanging makes me suspect that there
> is a bug with AGP (Also the same video card, kernel and X worked well with
> an older 4xAGP KT133 motherboard)

Looks like I was wrong about it being an AGP bug. I found testgart and 
everything works fine:

# testgart 
agpgart: Found an AGP 3.5 compliant device at 0000:00:00.0.
agpgart: Device is in legacy mode, falling back to 2.x
agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
version: 0.100
bridge id: 0x31891106
agp_mode: 0x1f000a17
aper_base: 0xe8000000
aper_size: 64
pg_total: 112384
pg_system: 112384
pg_used: 0
entry.key : 0
entry.key : 1
Allocated 8 megs of GART memory
MemoryBenchmark: 1173 mb/s
MemoryBenchmark: 1766 mb/s
MemoryBenchmark: 1772 mb/s
Average speed: 1570 mb/s
Testing data integrity (1st pass): passed on first pass.
Testing data integrity (2nd pass): passed on second pass.