[mythtv-users] Playback Profiles? WTF?!

Glen Hawksworth glenhawk at optusnet.com.au
Wed Mar 19 07:03:10 UTC 2008

Thanks Raphael,
Unfortunately my post turned into a RANT fest. Probably my fault
choosing the subject name.
I am just going to have to sit down and struggle with the settings till
I get something like the performance from 0.20

On Tue, 2008-03-18 at 20:29 -0500, Raphael wrote:
> Jonny B wrote:
> > 
> > 
> > On Mon, Mar 17, 2008 at 5:51 AM, Marc Sherman <msherman at projectile.ca 
> > <mailto:msherman at projectile.ca>> wrote:
> > 
> >     Todd Ignasiak wrote:
> >
> > 
> > And now for something more useful and on point:
> > 
> >  >The only other thing to note is that I only recently scored the 3GHz
> >  >CPU. I had previously been running with a 2.67Ghz. Should I have
> >  >reinstalled the OS? I thought it would be ok just to whack in the better
> >  >processor.
> > 
> > If you didn't change architecture (I.E. P4->P4 r C2D -> C2D) you 
> > shouldn't need to recompile, but if you did (I'm not sure if the 
> > chipsets support that?) then you will.
> > 
> > As an aside, I just realized as I was reading this, that even the same 
> > chip (P4 for example) has different architectures (I.E., wilamette v. 
> > northwood), so it probably wouldn't hurt to go ahead and upgrade your 
> > kernel. A complete reinstall, likely, isn't needed. Unfortunately, I 
> > haven't quite delved into HD (well, I am working on getting a pair of 
> > pinnacle cards running, then I'll have to hope my frontend (P4 2.8HT) 
> > will handle it. If not, I may be looking for a new frontend soon. DARN! 
> > :-) Hate when I gotta get new toys) so I don't know what settings to 
> > suggest.
> > 
> > 
> In reality a P4->C2D isn't a big change and won't require a new kernel 
> unless you're, say, going from 1 to 2 cores and want an smp kernel now 
> but aren't currently using one. Even less important is changing from a 
> Willamette to a Northwood P4; both are literally the same architecture 
> from the kernel's point of view. You shouldn't even need to think twice 
> when switching those out. Not even in windows XP pro would you have to 
> reinstall the OS just for a new proc, and certainly just "whacking" it 
> in there and forgetting about it will not do any harm in a linux system.
> In general, if it didn't require you to change the motherboard, you 
> don't have anything to fear about how your system will behave after the 
> processor upgrade.
> Two days ago I unplugged a hard drive from a linux box with a 5 year old 
> motherboard, AthlonXP 1700+, and DDR333 RAM, and plugged it into my 
> windows box which has a 2.6 GHz C2D, P35 chipset, and DDR2-800 RAM. The 
> machine booted and loaded ubuntu just as it did on the other machine 
> without even noticing the change. All I did was change to an smp kernel.
> So I would say, don't worry about going from 2.6 to 3GHz :)
> Raphael
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