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Re: [PROPOSAL] 2.4.27 as default 2.4 kernel for sarge



On Fri, Aug 27, 2004 at 07:10:55PM +0800, John Summerfield wrote:
> Sven Luther wrote:
> 
> >>All here who have 2.4 and 2.6 kernels on ppc should try disk speed tests 
> >>with hdparm: I found my new Athlon (well the mobo's new, CPU's not) is 
> >>30% faster with the 2.4 kernel.
> >>   
> >>
> >
> >Have you reported a bug report on this ? And with which 2.6 kernel was it 
> >? 
> > 
> >
> I haven't. I planned on discussing it on debian-user first, and I 
> mentioned it in passing in another thread and someone else was going to 
> tell me what I did wrong.
> 
> I posted further details, but there's been no response.
> 
> The kernel is 2.6.7-1-k7; it may be a day or so before I could try 8 as 
> I'm on dialup and my modem's rather busy atm.
> 
> the mobo's a Gigabyte GA-7S748-L - SiS 748 chipset, LAN.
> 
> fwiw I noticed something very like this between 2.2 and 2.4 when 2.4 was 
> new: 2.2 was faster on my Pentium system. I think it was a earlier 
> version of the same chipset.
> 
> Here are results on 2.6.7-1-k7:
> /dev/hda:
> Timing buffered disk reads:  108 MB in  3.02 seconds =  35.78 MB/sec
> 
> /dev/hdg:
> Timing buffered disk reads:  120 MB in  3.01 seconds =  39.93 MB/sec
> kowari:/etc#
> 
> Both drives are WD120 Gb (different models), hdg is on an Abit hotrod66 
> (promise chips).

And how much you would get in 2.4 ? 

> >>If something like this is true of ppc too, you wouldn't want to drop 2.4 
> >>kernels.
> >>   
> >>
> >
> >Well, it should be fixed instead. None of upstream (all the linux-ppc
> >devleopers) have any interest left for 2.4, so there is really no sane way 
> >to
> >keep the support going unless we do it all ourselves.
> > 
> >
> 
> It's worth testing; if you find no problem you have no problem:-)

Well, for that i would need to reboot into 2.4, which is not practical right
now.

Friendly,

Sven Luther



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