I sent a temporary patch a while ago, no answer. So sorry for the report but *please* fix this: this makes non-bootable several laptops and industrial systems.
On some ALI chipsets the agp bus returns an aperture size of zero, and the kernel panics. The way it is handled for *any* agp bus if the aperture size is zero (or the window can not be allocated) is deadly broken.
Attached the patch to fix the broken code and handle it "at the best effort" as the coded was supposed to do, PLEASE someone import it. Sorry for attaching it. Is only 4k and I cannot currently send-pr it.
Thanks,
A.
agp.patch
Description: Binary data
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