Re: [Xen-devel] Failure with ATI Radeon 9600

[Jacob Gorm Hansen <jacobg@xxxxxxx>]

Jacob Gorm Hansen wrote:

> Linux agpgart interface v0.100 (c) Dave Jones
> agpgart: Detected an Intel i875 Chipset.
> agpgart: Maximum main memory to use for agp memory: 440M
> agpgart: unable to get memory for graphics translation table.
> agpgart: agp_backend_initialize() failed.
> agpgart-intel: probe of 0000:00:00.0 failed with error -12
The reason agp_generic_create_gatt_table() fails is that 
ioremap_nocache() always return NULL. (Whether or not the subsequent X 
crash has anything to do with this is not clear -- the ATI wrapper has 
quite a few references to virt_to_phys(), so likely some problems there 
as well.)
Is there a good reason for this / what will it take to implement 
ioremap_nocache correctly?
Jacob


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