intel and kernel 2.6.23-0.181 (fedora 8 test 2) drm issue...

Alwin Bakkenes alwin at
Sun Sep 16 11:11:06 PDT 2007

Found an issue with DRM on fedora 8 test 2 on my Gigabyte G33 based
motherboard with builtin intel graphics and HDMI port. 


When booting into X with Fedora 8 test 2 (test 1 with full upgrade), I get
the following error message in my XOrg.0.log: 


(II) intel(0): I830CheckAvailableMemory: 1954812 kB available


(==) intel(0): VideoRam: 262144 KB


(II) intel(0): Attempting memory allocation with tiled buffers and 


                             large DRI memory manager reservation:


(II) intel(0): Allocating 6780 scanlines for pixmap cache


(II) intel(0): Success.


(II) intel(0): Increasing the scanline pitch to allow tiling mode (1920 ->


(II) intel(0): Memory allocation layout:


(II) intel(0): 0x00000000-0x0001ffff: ring buffer (128 kB)


(II) intel(0): 0x00020000-0x00029fff: HW cursors (40 kB)


(II) intel(0): 0x0002a000-0x00031fff: logical 3D context (32 kB)


(II) intel(0): 0x00032000-0x00032fff: overlay registers (4 kB)


(II) intel(0): 0x00033000-0x00033fff: G33 hw status (4 kB)


(II) intel(0): 0x00040000-0x04437fff: front buffer (69600 kB)


(II) intel(0): 0x006ff000:            end of stolen memory


(II) intel(0): 0x04438000-0x04447fff: xaa scratch (64 kB)


(II) intel(0): 0x05000000-0x05ffffff: back buffer (15360 kB)


(II) intel(0): 0x06000000-0x06ffffff: depth buffer (15360 kB)


(II) intel(0): 0x07000000-0x08ffffff: DRI memory manager (32768 kB)


(II) intel(0): 0x09000000-0x0affffff: textures (32768 kB)


(II) intel(0): 0x10000000:            end of aperture


(II) intel(0): front buffer is not tiled


(II) intel(0): back buffer is tiled


(II) intel(0): depth buffer is tiled


drmOpenDevice: node name is /dev/dri/card0


drmOpenDevice: open result is -1, (No such device or address)


drmOpenDevice: open result is -1, (No such device or address)


drmOpenDevice: Open failed


drmOpenDevice: node name is /dev/dri/card0


drmOpenDevice: open result is -1, (No such device or address)


drmOpenDevice: open result is -1, (No such device or address)


drmOpenDevice: Open failed


drmOpenByBusid: Searching for BusID pci:0000:00:02.0


drmOpenDevice: node name is /dev/dri/card0


drmOpenDevice: open result is 10, (OK)


drmOpenByBusid: drmOpenMinor returns 10


drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0


(II) [drm] loaded kernel module for "i915" driver.


(II) [drm] DRM interface version 1.3


(II) [drm] DRM open master succeeded.


(II) intel(0): [drm] Using the DRM lock SAREA also for drawables.


(II) intel(0): [drm] framebuffer handle = 0xe0040000


(II) intel(0): [drm] added 1 reserved context for kernel


(II) intel(0): X context handle = 0x1


(II) intel(0): [drm] installed DRM signal handler


(II) intel(0): Unable to use TTM-based memory manager with DRM version 1.6


(II) intel(0): [drm] Registers = 0xf3100000


(II) intel(0): [drm] ring buffer = 0xe0000000


(II) intel(0): [drm] init sarea width,height = 1920 x 1920 (pitch 2048)


(II) intel(0): [drm] Mapping front buffer


(II) intel(0): [drm] Front Buffer = 0x2fff8000


(II) intel(0): [drm] Back Buffer = 0xe5000000


(II) intel(0): [drm] Depth Buffer = 0xe6000000


(II) intel(0): [drm] textures = 0xe9000000


(II) intel(0): [drm] Initialized kernel agp heap manager, 33554432


(II) intel(0): [dri] visual configs initialized


(II) intel(0): Page Flipping disabled


(==) intel(0): Write-combining range (0xe0000000,0x10000000)


(II) intel(0): vgaHWGetIOBase: hwp->IOBase is 0x03d0, hwp->PIOOffset is


(II) intel(0): Using XFree86 Acceleration Architecture (XAA)


                      Screen to screen bit blits


                      Solid filled rectangles


                      8x8 mono pattern filled rectangles


                      Indirect CPU to Screen color expansion


                      Solid Horizontal and Vertical Lines


                      Offscreen Pixmaps


                      Setting up tile and stipple cache:


                                            32 128x128 slots


                                            32 256x256 slots


                                            16 512x512 slots


(==) intel(0): Backing store disabled


(==) intel(0): Silken mouse enabled


(II) intel(0): Initializing HW Cursor


(II) intel(0): Current clock rate multiplier: 8


(II) intel(0): xf86BindGARTMemory: bind key 0 at 0x006ff000 (pgoffset 1791)


(WW) intel(0): xf86BindGARTMemory: binding of gart memory with key 0


                      at offset 0x6ff000 failed (Invalid argument)




Fatal server error:


Couldn't bind memory for front buffer




                      [drm] Initialized drm 1.1.0 20060810

                      [drm] Intitialized i915 1.6.0 20060119 on minor 0

                      Set status page addr 0x00033000

                      agpgart: pg_start == 0x000006ff,
intel_private-gtt_entries == 0x00000800

                      agpgart: Trying to insert into local/stolen memory



If I change my BIOS setting for video ram to 1 MB +2MB GTT (from 8 + 2) , it
does give a picture (but gravely distorted). Previous kernels used to work


Any ideas? 




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