Date: Fri, 11 Nov 2005 21:04:35 +0100 From: Jeppe Larsen <jwl@io.dk> To: freebsd-hardware@freebsd.org Subject: agp on sis 661 Message-ID: <pan.2005.11.11.20.04.30.466594@io.dk>
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I've had some problems with AGP support for the SiS 661 chipset. It seems to be found: agp0: <SiS 661 host to AGP bridge> mem 0xe8000000-0xebffffff at device 0.0 on pci0 And this it was sysctl says: dev.agp.0.%desc: SiS 661 host to AGP bridge dev.agp.0.%driver: agp dev.agp.0.%location: slot=0 function=0 dev.agp.0.%pnpinfo: vendor=0x1039 device=0x0661 subvendor=0x1043 subdevice=0x8113 class=0x060000 dev.agp.0.%parent: pci0 And a /dev/agpgart exists. The real problem appears when I try starting X with the nvidia-drivers. The SiS 661 chipset is not supported by the nvidia AGP driver (it was the same under Linux, so I used the AGPGART module there), so I should used the native FreeBSD AGP support. I have the right NvAGP option in xorg.conf and everything, but my machine reboots when X is started. No error message is logged anywhere. The driver seems to work fine with my gfx-card, a GeForce4 MX 4000, because X runs fine with AGP disabled, but with half the performance (glxgears) than I had under Linux. Does the FreeBSD AGP driver really supports SiS 661 or is it only finding it? And is there some way to at least get some error-message out from the spontanous reboot? If this is not the right list for this sort of thing, then please tell me. -- regards, Jeppe W. Larsen "Logic is the beginning of wisdom; not the end."
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