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Subjectmatroxfb on 2.4.0 / PCI: Failed to allocate...
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Hi, all.  I'm trying to get matroxfb running on a G400Max (dualhead).

Of course, I have i2c bit-banging on and the relevant Matrox options
turned on (as modules or compiled-in), and I don't see the expected
`framebuffer: blah' after the `matroxfb: Matrox Millennium G400 MAX (AGP)
detected'.

I worry about some PCI initialization output (from dmesg):

# PCI: Probing PCI hardware
# Unknown bridge resource 0: assuming transparent
# PCI: Using IRQ router VIA [1106/0686] at 00:07.0
# PCI: Cannot allocate resource region 0 of device 01:00.0
# PCI: Failed to allocate resource 0 for Matrox Graphics, Inc. MGA G400 AGP
[...]

That `device 01:00.0' is obviously the AGP MGA. 'dmesg' continues later
with...

# matroxfb: Matrox Millennium G400 MAX (AGP) detected
# i2c-core.o: i2c core module
# i2c-algo-bit.o: i2c bit algorithm module
# i2c-core.o: driver maven registered. [...]

...and the loaded modules include...

Module Size Used by
matroxfb_crtc2 6928 0 (unused)
matroxfb_maven 9552 0 (unused)
i2c-matroxfb 3632 0 (unused)
i2c-algo-bit 7392 0 [i2c-matroxfb]
i2c-core 13072 0 [matroxfb_maven i2c-algo-bit]
matroxfb_base 16848 0 [matroxfb_crtc2 i2c-matroxfb]
matroxfb_DAC1064 5824 0 [matroxfb_crtc2 matroxfb_base]
matroxfb_accel 8192 0 [matroxfb_crtc2 matroxfb_maven \
i2c-matroxfb matroxfb_base matroxfb_DAC1064]
matroxfb_misc 13088 0 [matroxfb_crtc2 matroxfb_maven \
i2c-matroxfb matroxfb_base matroxfb_DAC1064 matroxfb_accel]
agpgart 13536 0 (unused)

...but...

cmiller@canard:~$ cat /proc/fb
cmiller@canard:~$

Ideas? Pointers? I'm available for questions and flames.

- chad

--
Chad Miller <cmiller@surfsouth.com> URL: http://web.chad.org/ (GPG)
"Any technology distinguishable from magic is insufficiently advanced".
First corollary to Clarke's Third Law (Jargon File, v4.2.0, 'magic')
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