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Hi, i found a bug in uninorth-agp.c, function uninorth_fetch_size. the line size = memparse(aperture, &aperture) >> 20; always sets size to zero which makes the driver allocate the default size of 256 MB which is obviously too large for older uninorth revisions. I split the line into memparse and shifting and inserted diagnostic messages, output with uninorth_agp.aperture = 32 as boot parameter: Feb 15 19:12:44 mac-mini kernel: [ 2.568636] agpgart-uninorth 0000:00:0b.0: size in uninorth_fetch_size after memparse: 32 Feb 15 19:12:44 mac-mini kernel: [ 2.568642] agpgart-uninorth 0000:00:0b.0: size after >> 20: 0It would be nice if a patch could be produced so i can experiment with different aperture sizes without having to rebuild the kernel every time :-) Cheers Jochen |
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