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 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
