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[Qemu-devel] Re: DMA with Knoppix and qemu (cvs-version)
From: |
Sven Köhler |
Subject: |
[Qemu-devel] Re: DMA with Knoppix and qemu (cvs-version) |
Date: |
Sun, 07 May 2006 19:42:09 +0200 |
User-agent: |
Thunderbird 1.5.0.2 (Windows/20060308) |
> Just a note: setting DMA through hdparm doesn't work on Linux since
> tens of versions ago, it's been depreceted and you have to trust the
> on-boot autodetection (and it works fine -- unless you didn't compile
> the right driver in). It's the same on real machines.
WHAT!?
i have used it with Knoppix since ages. Knoppix has DMA disabled (for
some reason). Most of the time i boot knoppix with "dma" in the
append-line, but in the other cases, hdparm works and improves
performance dramatically.