Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5. | Date | Wed, 19 May 2004 15:16:51 +0200 |
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On Wednesday 19 of May 2004 14:28, Piszcz, Justin Michael wrote: > It may not dause -data corruption- but it deleted a whole bunch of files > that were in use before the previous reboot.
deleting a bunch of files is a data corruption
You picked IDE cache fixes as a cause of your problems without any verification or proof - 2.6.6 contains also a lot of VM and FS changes.
Stop spreading FUD or verify that IDE changes are to blame! [ I will happily fix it if it turns out to be IDE. ]
> -----Original Message----- > From: linux-kernel-owner@vger.kernel.org > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Bartlomiej > Zolnierkiewicz > Sent: Tuesday, May 18, 2004 9:23 AM > To: Justin Piszcz; baldrick@free.fr; gene.heskett@verizon.net > Cc: linux-kernel@vger.kernel.org > Subject: Re: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5. > > On Monday 17 of May 2004 17:06, Justin Piszcz wrote: > > Sorry to all, it turns out (in two separate cases I had two different > > problems that affected the results). > > > > Case 1: No SMP turned on for CPU w/HT after fix (~4.78 seconds compile > > time > > > (2.6GHZ w/HT)) > > Case 2: Box had 4GB of NON-ECC memory in it, only recognized 2.56GB, > > took > > > out (2) 1GB DDR DIMM's, and the speed returned what it should be. > > (~4.3 > > > seconds compile time (3.0GHZ w/HT)) > > > > The control box was a 2.53GHZ (533MHZ BUS w/NO HT) = ~5.3seconds > > > > I have not tested 2.6.6 recently, but in one of my tests I believe it > > worked OK, ever since 2.6.6 removed my /etc/lilo.conf and /etc/mtab > > and > > > several other files, I do not wish to touch that kernel with a 10 foot > > poll > > > :-P due to the IDE disk flush/cache issue. > > I told you this already: 2.6.6 IDE changes don't cause data corruption > - but fixes some instead (that's why there were merged so quickly!) > so stop spreading FUD and see > http://bugme.osdl.org/show_bug.cgi?id=2672.
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