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