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SubjectRe: How to add a drive to DMA black list?
> I tried adding the string that is output for the bad drive by hdparm -i 
> into drivers/ide/ide-dma.c::drive_blacklist and
> drivers/ide/ide-dma.c::bad_dma_drives but the kernel still says that it is
> using DMA and the kernel hangs after displaying:

The black list is for drives with problems, not for controller bugs. Controller
bugs in the Linux code just have to be fixed.

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