 | | | HDIO_SET_DMA failed: Operation not permitted | HDIO_SET_DMA failed: Operation not permitted 2006-02-03 - By Biswajit Nayak
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Rick,
Please find the motherboard and hard disk info that
you have requested.
ATI RS482 chipset
hda: WDC WD1600BB-22GUC0, ATA DISK drive
micro atx motherboard
http://www.emachines.com/support/product_support.html?cat=Desktops&subcat=T
-Series&model=T6414
Please let me know if i can enable dma on this machine
Thanks
BN
--- Rick Stevens <rstevens@(protected)> wrote:
> On Fri, 2006-01-27 at 17:49 -0800, Biswajit Nayak
> wrote:
> > No I do not think i did with nodma . Here is the
> > output of
> >
> > [root@(protected) ocsperf]# cat /proc/cmdline
> > ro root=/dev/VolGroup00/LogVol00 rhgb quiet
>
> Ok, so you didn't disable DMA there. You are,
> however, using LVM.
> Are you using hardware or software RAID? If so,
> then you can't just
> turn DMA on on one drive, but on all drives that
> make up the RAID.
>
> We also need to know a bit more about your hardware.
> What motherboard
> are you using? What kind of drives?
>
> > 2. How to make sure that the controller/drive does
> not
> > permit dma
> > ?
>
> Again, it could be an interaction between RAID (if
> used), LVM and your
> controller.
>
>
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> - Rick Stevens, Senior Systems Engineer
> rstevens@(protected) -
> - VitalStream, Inc.
> http://www.vitalstream.com -
> -
> -
> - Polygon: A dead parrot (With apologies to
> John Cleese) -
>
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