El Fri, 13 Nov 2009 18:25:15 +0000 Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> escribió: > > > PATA_ALI: EXPERIMENTAL > > - ATAPI DMA is still broken > > Not experimental as we default to not doing ATAPI DMA. Glancing over the > code I notice the ALI C2/C3 workaround probably wants adding to the old > driver as it can do nasty things otherwise. (See the reset function in > the pata_ali driver) FWIW I have a Motherboard with Ali chipset and have been using ATAPI DMA (forcing it via proc) without issues since the DMA was disabled by default. lspci -v IDE interface: ALi Corporation M5229 IDE (rev c7) (prog-if 8a [Master SecP PriP]) Subsystem: ASRock Incorporation Device 5229 Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 21 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1] I/O ports at ff00 [size=16] Capabilities: <access denied> Kernel driver in use: pata_ali Kernel modules: ata_generic > > Alan >
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