Messages in this thread | | | Date | Fri, 10 Jan 2003 09:04:39 -0800 | From | Ross Biro <> | Subject | [2.4.21-pre3] BUG: IDE DMA doesn't work w/ x86 HighMem |
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Configure the 2.4.21-pre3 kernel with IDE and Highmem and when DMA is attempted you get a BUG from asm-i386/pci.h line 155 called from drives/ide/ide-dma.c line 282.
From the looks of it, the IDE driver has not been highmem enabled, but does get a high-mem device queue.
This is easily reproduced on a dual proc P3 with 2 Gigs of ram.
Ross
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