latest udev issue
Kim Lux
lux at diesel-research.com
Thu Nov 4 16:47:29 UTC 2004
Here is an hdparm from an FC2 machine:
hdparm /dev/cdrom
/dev/cdrom:
HDIO_GET_MULTCOUNT failed: Invalid argument
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
HDIO_GETGEO failed: Invalid argument
Is it optimized incorrectly ? It has dma and an unmaskedirq and 32 bit
I/O.
?????????????
On Thu, 2004-11-04 at 11:39 -0500, Alan Cox wrote:
> On Thu, Nov 04, 2004 at 09:11:53AM -0700, Kim Lux wrote:
> > That is exactly what I was looking for. Your drive isn't optimized.
> > unmaskirq should be enabled and it should use 32 bit support, not 16.
>
> These are irrelevant for DMA mode, and DMA is on. It looks properly tuned to
> me as far as this shows
>
--
Kim Lux (Mr.) Diesel Research Inc
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