2.6.4 and iBook not text on framebuffer
I have an iBook with a CPU 750FX at 700MHz and a Radeon M6. When I
try to run a kernel 2.6.x I don't get any text on the console. It can
sleep and resume without problems, even with X11 running. Have anyone
success runing 2.6x kernel and have text on the framebuffer? I don't
have any problems with stock Debian kernel 2.4.25-powerpc-pmac.
I have tried many options to config the kernel to get the framebuffer
running with 2.6.x.
Follows relevant lines from kernel boot of two tries:
Linux version 2.6.4-ibook1 (root@yar) (gcc version 3.3.3 (Debian 20040320)) #4 Sat Mar 27 21:35:23 WET 2004
...
Kernel command line: root=/dev/hda12 ro video=ofonly:radeonfb
...
radeonfb_pci_register BEGIN
PCI: Enabling device 0000:00:10.0 (0086 -> 0087)
aper_base: 98000000 MC_FB_LOC to: 9bff9800, MC_AGP_LOC to: ffffa000
radeonfb: probed DDR SGRAM 16384k videoram
radeonfb: mapped 16384k videoram
radeonfb: Invalid ROM signature 8080 should be 0xaa55
radeonfb: Retreived PLL infos from Open Firmware
radeonfb: Reference=27.00 MHz (RefDiv=12) Memory=166.00 Mhz, System=166.00 MHz
Starting monitor auto detection...
radeonfb: I2C (port 1) ... not found
radeonfb: I2C (port 2) ... not found
radeonfb: I2C (port 3) ... not found
radeonfb: I2C (port 4) ... not found
radeon_probe_OF_head
head: ATY,Fall_A (letter: A, head_no: 0)
analyzing OF properties...
display-type: LCD
radeon_probe_OF_head
head: ATY,Fall_A (letter: A, head_no: 1)
radeonfb: I2C (port 3) ... not found
radeonfb: I2C (port 4) ... not found
radeonfb: Monitor 1 type LCD found
radeonfb: EDID probed
radeonfb: Monitor 2 type no found
Parsing EDID data for panel info
Setting up default mode based on panel info
Monitor Operating Limits: Extrapolated
H: 48-48KHz V: 60-60Hz DCLK: 65MHz
radeonfb: Power Management enabled for Mobility chipsets
Registered "ati" backlight controller, level: 15/15
radeonfb: ATI Radeon LY DDR SGRAM 16 MB
radeonfb_pci_register END
...
Linux agpgart interface v0.100 (c) Dave Jones
agpgart: Detected Apple UniNorth/Pangea chipset
agpgart: Maximum main memory to use for agp memory: 204M
agpgart: configuring for size idx: 4
agpgart: AGP aperture is 16M @ 0x0
[drm] Initialized radeon 1.9.0 20020828 on minor 0
or with another kernel and kernel args:
Linux version 2.6.4 (root@yar) (gcc version 3.3.3 (Debian 20040320)) #3 Wed Mar 24 03:12:46 WET 2004
...
Kernel command line: root=/dev/hda12 ro video=ofonly
...
Using unsupported 1024x768 ATY,Fall_A at 9c008000, depth=8, pitch=1024
fb0: Open Firmware frame buffer device on /pci@f0000000/ATY,FallParent@10/ATY,Fall_A
Using unsupported 640x480 ATY,Fall_B at 98808000, depth=8, pitch=768
fb1: Open Firmware frame buffer device on /pci@f0000000/ATY,FallParent@10/ATY,Fall_B
...
Linux agpgart interface v0.100 (c) Dave Jones
agpgart: Detected Apple UniNorth/Pangea chipset
agpgart: Maximum main memory to use for agp memory: 204M
agpgart: configuring for size idx: 4
agpgart: AGP aperture is 16M @ 0x0
[drm] Initialized radeon 1.9.0 20020828 on minor 0
PCI: Enabling device 0000:00:10.0 (0086 -> 0087)
radeonfb: cannot reserve FB region
--
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