Mtrr problem on via M10000 with 2.6.0-test3

[Uberto Barbini]

Every time, X (4.3.99.10) reports at starting:

(WW) via(0): "Failed to setup write-combining range(0xe4000000,0x4000000)

The same error appears with vesa driver too.
I enabled mtrr in kernel and tried

less /proc/mtrr

...
reg03: base=0e40000000 (3648MB), size= 8MB: write-combining, count=1

The values seem right.
I also tried to change the ram amount for the video card (8-64) on bios and
it'll report correctly.

The problem is present at least since 2.6.0-test1, and with all X
versions.

Some other informations: I'm using gentoo and loaded via_agp and
agpgart, apart the error X runs nicely at first but after some time it
freeze all (telnet not responding).

Thanks for any hints or help.

Uberto Barbini

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