Date: Mon, 26 Mar 2007 15:05:55 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Keith Pitcher <kpitcher@keithpitcher.com> Subject: Re: slow unless CPU is in use, part 2 Message-ID: <200703261505.55688.jhb@freebsd.org> In-Reply-To: <45EFC8DD.9030202@KeithPitcher.com> References: <45EFC8DD.9030202@KeithPitcher.com>
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On Thursday 08 March 2007 03:27:09 am Keith Pitcher wrote: > A followup and more information about the system being slow unless the > CPU is in use, then things work well. > > I tried to boot from the latest amd64 snapshot, to see if it was a 6.2 > to 7.0 upgrade issue but the laptop doesn't seem to like it in that it > core dumps almost instantly after the loader starts and I can't see what > scrolls by. I did cvsup today and recompiled everything, but I'm still > having the issue of dragging (Up to 5 seconds to switch ttys if nothing > is running, or for a character to display after being entered). > > I haven't narrowed down what level of CPU usage makes things fast. > Things that I know do the trick are mpg123, or compiling a port.. > > As the hardware worked fine under 6.2 for a week, and I've been using > visual studio under vista without issues (Other than Vista doesn't like > parts of VS 05 that is...), I don't believe there's an issue of an > overheating CPU or other hardware issues. Try sysctl machdep.cpu_idle_hlt=0. It will make yuor machine run warmer though. > pci0: <ACPI PCI bus> on pcib0 > pcib0: HT Bridge at 0:14:0 has non-default MSI window 0x602000a > pcib0: HT Bridge at 0:16:1 has non-default MSI window 0x0 I would really like to see the output of 'pciconf -lc' on this machine. -- John Baldwin
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