On 2002.05.24 21:00 J5 wrote:
> here it is /var/log/XFree86.0.log
>
>
> XFree86 Version 4.2.0 (DRI mach64 branch) / X Window System
> ...
> (==) ATI(0): Write-combining range (0xfd000000,0x400000)
> (II) ATI(0): [drm] SAREA 2200+1212: 3412
> drmOpenDevice: minor is 0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: Open failed
> drmOpenDevice: minor is 0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: Open failed
> drmOpenDevice: minor is 0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 7, (OK)
> drmGetBusid returned ''
> (II) ATI(0): [drm] loaded kernel module for "mach64" driver
> (II) ATI(0): [drm] created "mach64" driver at busid "PCI:1:0:0"
> (II) ATI(0): [drm] added 8192 byte SAREA at 0xc8c88000
> (II) ATI(0): [drm] mapped SAREA 0xc8c88000 to 0x40018000
> (II) ATI(0): [drm] framebuffer handle = 0xfd000000
^^^^^^^^^^
This is the frame buffer address.
> (II) ATI(0): [drm] added 1 reserved context for kernel
> (II) ATI(0): [agp] Using AGP 1x Mode
> (II) ATI(0): [agp] Using 8 MB AGP aperture
> (II) ATI(0): [agp] Mode 0x1f000201 [AGP 0x8086/0x7190; Card
> 0x1002/0x4c4d]
> (II) ATI(0): [agp] 8192 kB allocated with handle 0xc8c8b000
> (II) ATI(0): [agp] Using 2 MB DMA buffer size
> (II) ATI(0): [agp] vertex buffers handle = 0xe0000000
> (II) ATI(0): [agp] Vertex buffers mapped at 0x4061b000
> (II) ATI(0): [agp] AGP texture region handle = 0xe0200000
> (II) ATI(0): [agp] AGP Texture region mapped at 0x4081b000
> (II) ATI(0): [drm] register handle = 0xfc100000
> (II) ATI(0): [dri] Visual configs initialized
> (II) ATI(0): [dri] Block 0 base at 0xfc100400
> (II) ATI(0): Memory manager initialized to (0,0) (800,1965)
> (II) ATI(0): Reserved back buffer from (0,600) to (800,1200)
> (II) ATI(0): Reserved depth buffer from (0,1200) to (800,1800)
> (II) ATI(0): Reserved 1024 kb for textures at offset 0x2ff940
> (II) ATI(0): Largest offscreen areas (with overlaps):
> (II) ATI(0): 800 x 2020 rectangle at 0,600
> (II) ATI(0): 640 x 2021 rectangle at 0,600
> (II) ATI(0): Using XFree86 Acceleration Architecture (XAA)
> Setting up tile and stipple cache:
> 32 128x128 slots
> 14 256x256 slots
> (==) ATI(0): Backing store disabled
> (==) ATI(0): Silken mouse enabled
> (II) ATI(0): X context handle = 0x00000001
> (II) ATI(0): [drm] installed DRM signal handler
> (II) ATI(0): [DRI] installation complete
> (II) ATI(0): [drm] Added 128 16384 byte DMA buffers
!! Something happened at this point since the X server backofs the DRM...
> (II) ATI(0): [drm] removed 1 reserved context for kernel
> (II) ATI(0): [drm] unmapping 8192 bytes of SAREA 0xc8c88000 at 0x40018000
> (II) ATI(0): Direct rendering disabled
> ...
>
> Fatal server error:
> Caught signal 11. Server aborting
>
> ...
We could try to debug the X server with gdb to see where is failing, but
it won't point us to the problem, just the consequence...
> > > May 24 21:13:07 lain kernel: spurious 8259A interrupt: IRQ7.
> > > May 24 21:13:15 lain modprobe: modprobe: Can't locate module
> > > char-major-81
> > > May 24 21:13:57 lain kernel: agpgart: AGP mode is 0x
> > > May 24 21:13:57 lain kernel: [drm:mach64_do_dma_init] *ERROR* can not
> > > find
> > > frame buffer map!
> > >
> > > J5
> >
> > Does anyone make sense of this? AGP mode 0x is strange. And the ones
> > before too... The fact that it doesn't find the frame buffer map
> indicates
> > that there could be some binary incompatibility.
> >
>
I'll have to add some debugging print statements on the relevant code of
the DRM, and enable debug output to see where the info is being lost...
Jos� Fonseca
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