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Date: Tue, 25 Mar 2008 23:43:23 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: alex-lists-linux-kernel@...iev.com Cc: linux-kernel@...r.kernel.org Subject: Re: Visible boot slowdown between 2.6.24.3 and 2.6.22.2 On Tue, 25 Mar 2008 22:48:29 -0400 alex-lists-linux-kernel@...iev.com wrote: > I saw a significant slowdown of a bootup time after 2.6.22.2 was > upgraded to 2.6.24.3. Visibly I can see the issue when the boot process gets > to running udev - now it sits for good minute or two. I can also visibly see > a slowdown when I do "ps aux" under the new kernel vs. old one. > > This is a relatively old system - 500 Mhz P3 Celeron with 512M RAM. > > Any debugging suggestions are appreciated... Could be the cpu frequency is wrong, could be that the MTRR system went wrong. Please send the dmesg output for both 2.6.22.x and 2.6.24.x, as well as the contents of /proc/mtrr for both kernels, thanks. -- 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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