Trying to solve performance issues on Rawhide

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Rawhide seems a little jittery of late and I'm wondering whether recent
changes to hardware detection is causing issues.

As an example, the install phase of yum leaves my mouse very hard to use
and sees other processes stammering.  Not the experience I'm used to in
the past.

I've started by trying to address why my modern HDD is running with dma
off.

Each time I try to set the drive to use dma it fails saying the
operation is not permitted.

I'm doing the following:

[root@localhost ~]# hdparm /dev/hda

/dev/hda:
 multcount    = 16 (on)
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 geometry     = 65535/16/63, sectors = 195371568, start = 0
[root@localhost ~]# hdparm -d1 /dev/hda

/dev/hda:
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Operation not permitted
 using_dma    =  0 (off)

This in an a brand new dell laptop with a Fujitsu drive that supports
UltraDMA.

Sorry if this seems like a support questions but I'm unable to try this
on older FCs and I'm presuming that it has something to do with hardware
changes.


Rodd
-- 
"It's a fine line between denial and faith.
 It's much better on my side"

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