Fedora Core 3 - upgrade notes

Nifty Hat Mitch mitch48 at sbcglobal.net
Wed Nov 17 18:31:57 UTC 2004


On Wed, Nov 17, 2004 at 11:09:33AM -0600, Satish Balay wrote:
> On Wed, 17 Nov 2004, Nifty Hat Mitch wrote:
> 
> > The nodma flag seems to be a common enough install issue (old BIOS ??) 
> > that I am slightly of the mind that this flag should be built into the
> > install CDROM.  I have no way of measuring the impact of this feature
> > mismatch but those of you that need the flag should not be silent.
> 
> No its not a bios issue..
> 
> http://www.redhat.com/archives/fedora-devel-list/2004-November/msg00455.html
> 
> And those who install with 'ide=nodma' should remove this option from
> grub after install - otherwise all IO will get slow.

What is the context/ driver difference that permits running with dma
and the same media in the drive.  i.e. how is it correct to 
remove the flag after the install when it is apparently needed
to correctly access the hardware during the install.

And at what time does the BIOS driver get replaced when installing
software.  Hmmm... sounds like it is time for me to look at some boot
process code....



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