Graphics driver support in F21+

[Peter Robinson]

>> >that you can do successfully complete a graphical DVD default package
>> >install with 512MB of RAM, or a text network default package install. I
>> >believe a text install may even work in 384MB, though I don't absolutely
>> >remember, and you may have to pass the parameter that disable's
>> >anaconda's RAM check to try it. Graphical network installs require more
>> >than 512MB - network installs need extra RAM before swap space comes
>> >online, as they go out and get package lists. Actually you could
>> >probably do an ugly hack around that by passing an intentionally invalid
>> >repo=, going through the storage spoke, and *then* setting the correct
>> >repo interactively, but that'd be hideous.
>>
>> I tried doing an F20 live install on a 512 MB machine and wasn't able to get it
>> to work. There was no swap drive available though. The install configuration
>> was extremely slow and seemed to have some of the subparts terminate. I never
>> got to the part where I could start the install transaction. At some point
>> I might try using an install image on the machine and see if that works
>> better.
>
> The above was written with the assumption some swap space would be
> available, yeah. Once anaconda gets into package installation, memory
> consumption increases notably, but at that point, swap space is
> available if any has been configured during partitioning, so effective
> available memory is also greater.
>
> Last time I ran the numbers - which are on my blog somewhere - overall
> peak memory consumption (RAM plus swap) during a typical DVD install
> was, IIRC, somewhere around 750MB.

>From memory the peak was when the selinux policies were being
applied/installed and those numbers are about right from my memory of
the peak but I believe there's been work to reduce the high water mark
although, like you, I have no idea what the current figures are.

Peter