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Date: Sun, 6 Jul 2008 18:52:45 +0300 From: Heikki Orsila <shdl@...alwe.fi> To: Arjan van de Ven <arjan@...radead.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: 2.6.26-rc9 load problem On Sun, Jul 06, 2008 at 07:37:26AM -0700, Arjan van de Ven wrote: > On Sun, 6 Jul 2008 17:25:16 +0300 > Heikki Orsila <shdl@...alwe.fi> wrote: > > > Testing 2.6.26-rc9. Doing: > > > > dd if=/dev/hda of=/dev/null bs=4096 > > > > causes the operating system to feel very unresponsible. > > Even the key repeat interval at tty1 is unpredictable. > > Hi, > > do you have an idea which version you tried last which didn't show this > behavior? Actually, this was the first vanilla kernel I tried on _this_ workstation. The earlier kernel came from Debian (testing). It turns out I screwed up the kernel config which caused this. VIA PATA driver was not used, but a generic IDE chipset driver :/ Probably it didn't use DMA so the system became very sluggish. The system is fine now. Thanks for your help, anyway. -- Heikki Orsila heikki.orsila@....fi http://www.iki.fi/shd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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