[Bug 110636] Re: hdparm - cannot set dma on IDE hard drive that works via pata

[Daniel Miles]

I apologise if I am trashing this bug with my changes, but from what I
can tell this would be more appropriate for the kernel guys to deal
with, and is a bug in the kernel-source. Bear in mind I'm no tech guru,
but from what my research tells me (trying to make DMA work on a
flatmate's laptop with an Intel 82801 chipset), the problem is either
the wrong driver handling the drive (be it HDD or DVD) - where it should
have a specific driver, a generic one gets to it first.

OR, it is just that the SCSI driver in 2.6.20 doesn't like DMA on some
particular drives when they make the  "used to be seen as /dev/hdX, now
seen as /dev/sdX".

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hdparm - cannot set dma on IDE hard drive that works via pata
https://bugs.launchpad.net/bugs/110636
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