Messages in this thread | | | Date | Thu, 9 May 2002 10:34:18 -0400 (EDT) | From | Bill Davidsen <> | Subject | Re: Slow harddisk |
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On Thu, 9 May 2002, Ng Pek Yong wrote:
> It got worse ;) > > (note: I can;t get dma to work; see below) > > # hdparm -X69 -d1 -u1 -c1 -m16 /dev/hde > > /dev/hde: > setting 32-bit I/O support flag to 1 > setting multcount to 16 > setting unmaskirq to 1 (on) > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Operation not permitted > setting xfermode to 69 (UltraDMA mode5) > multcount = 16 (on) > I/O support = 1 (32-bit) > unmaskirq = 1 (on) > using_dma = 0 (off) > [root@lal root]# hdparm -Tt /dev/hde
Time to investigate why DMA doesn't work, rather than spending time trying to run without it. Did you build your kernel with DMA in the IDE part, by default, and enable chip specific features? I suspect the chipset is not being DMA enbled, as was the case when I had a similar issue.
-- bill davidsen <davidsen@tmr.com> CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.
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