Hi Charles, thanks for your bug report. I have CCed the maintainer of the agpgart driver for his comment.
On Sat, Oct 09, 2004 at 09:25:33PM -0400, Charles C Bailey wrote: > Package: kernel-source-2.6.8 > Version: 2.6.8-7 > Severity: normal > > I am using an ABIT VT7 main board with VIA PT880 agp controller and > Nvidia geForce5700LE. agpgart did not recognize said controlled when > modprobed (i. e. didn't print any messages to dmesg excpet 'Linux > agpgart interface v0.100 (c) Dave Jones'), and nvidia's proprietary > driver reported (cat /proc/driver/nvidia/agp/status) agp status as > disabled. By editing some lines in the kernel source I was able to get > agpgart to see my chipset. Whether this was the 'right' way to do it or > not I have no idea. I'll go through the process I followed below. > > An lspci showed the following devices (note what comes first- usually > the agp controler; in this case it is reporting an ID of 0x0258): > > 0000:00:00.0 Host bridge: VIA Technologies, Inc.: Unknown device 0258 > 0000:00:00.1 Host bridge: VIA Technologies, Inc.: Unknown device 1258 > 0000:00:00.2 Host bridge: VIA Technologies, Inc.: Unknown device 2258 > 0000:00:00.3 Host bridge: VIA Technologies, Inc.: Unknown device 3258 > 0000:00:00.4 Host bridge: VIA Technologies, Inc.: Unknown device 4258 > 0000:00:00.7 Host bridge: VIA Technologies, Inc.: Unknown device 7258 > 0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge > 0000:00:0a.0 Network controller: Intersil Corporation Intersil ISL3890 > [Prism GT/Prism Duette] (rev 01) > 0000:00:0c.0 USB Controller: NEC Corporation USB (rev 41) > 0000:00:0c.1 USB Controller: NEC Corporation USB (rev 41) > 0000:00:0c.2 USB Controller: NEC Corporation USB 2.0 (rev 02) > 0000:00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA > RAID Controller (rev 80) > 0000:00:0f.1 IDE interface: VIA Technologies, Inc. > VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) > 0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB > 1.1 Controller (rev 81) > 0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB > 1.1 Controller (rev 81) > 0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB > 1.1 Controller (rev 81) > 0000:00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB > 1.1 Controller (rev 81) > 0000:00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86) > 0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge > [K8T800 South]0000:00:11.5 Multimedia audio controller: VIA > Technologies, Inc. > VT8233/A/8235/8237 AC97 Audio Controller (rev 60) > > 0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 > [Rhine-II] (rev 78) > 0000:01:00.0 VGA compatible controller: nVidia Corporation: Unknown > device 0343 (rev a1) > > In the kernel-2.6.8 source tree in include/linux/pci_ids.h, the > following two relevant IDS are defined: > #define PCI_DEVICE_ID_NVIDIA_QUADRO4_900XGL 0x0258 > #define PCI_DEVICE_ID_VIA_PT880 0x3258 > > Since I assumed I did not have an Nvidia Quadro4900XGL (whatever that > is) for an AGP controller I modified the two lines as follows: > #define PCI_DEVICE_ID_NVIDIA_QUADRO4_900XGL 0x0000 (just to get rid > of it and let modules I'm not using still compile) > #define PCI_DEVICE_ID_VIA_PT880 0x0258 (to match my lspci) > > I then make-kpkg'd a kernel-image out of this and now get the following > lines from agpgart in dmesg: > agpgart: Detected VIA PT880 chipset > agpgart: Maximum main memory to use for agp memory: 941M > agpgart: AGP aperture is 128M @ 0xe0000000 > agpgart: Found an AGP 3.5 compliant device at 0000:00:00.0. > agpgart: Putting AGP V3 device at 0000:00:00.0 into 8x mode > agpgart: Putting AGP V3 device at 0000:01:00.0 into 8x mode > > nvidia's driver concurs and shows agp enabled. > > It may be that I just have an odd motherboard but this really smelled > like a bug so hopefully someone will know what to do with it. Let me > know if you need any other /more detailed info. > > Thanks for your time, > Charles > [EMAIL PROTECTED] > > -- System Information: > Debian Release: 3.1 > APT prefers testing > APT policy: (990, 'testing'), (500, 'unstable') > Architecture: i386 (i686) > Kernel: Linux 2.6.8 > Locale: LANG=C, LC_CTYPE=C > > Versions of packages kernel-source-2.6.8 depends on: > ii binutils 2.15-4 The GNU assembler, linker > and bina > ii bzip2 1.0.2-1 A high-quality > block-sorting file > ii coreutils [fileutils] 5.2.1-2 The GNU core utilities > > -- no debconf information > > > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] -- Horms
