Date: Tue, 19 Apr 2011 17:00:51 -0400 From: "illoai@gmail.com" <illoai@gmail.com> To: Ronald Klop <ronald-freebsd8@klop.yi.org> Cc: freebsd-stable@freebsd.org Subject: Re: System extremely slow under light load Message-ID: <BANLkTik5Jq1QP776xQ0zQvQ5MKYe4LQZUA@mail.gmail.com> In-Reply-To: <op.vt1efdn68527sy@pinky> References: <4DA596D3.1090803@chillt.de> <op.vt1efdn68527sy@pinky>
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On 16 April 2011 11:24, Ronald Klop <ronald-freebsd8@klop.yi.org> wrote: > On Wed, 13 Apr 2011 14:28:03 +0200, Bartosz Fabianowski <freebsd@chillt.de> > wrote: > >> Hi list >> >> I am having problems with my 8.2-STABLE laptop. At times, even a very >> light load makes the system grind to a halt. Once an application is in the >> foreground, I can interact with it just fine. But when I click on a >> long-unused menu item or try to switch applications, I have to wait dozens >> of seconds or even minutes. It feels as if things were being swapped in very >> slowly. However, top says otherwise: >> >> The box has 4 GB of RAM with only 680 MB used. On top of that, 69 MB of >> swap are in used. That last number does not seem to be changing, so nothing >> is being swapped in or out. >> >> The load that seems to cause the worst problems is an import of >> OpenStreetMap data into a PostgreSQL 9 database. This does not exercise the >> CPU (a Core i7 Quad) much as CPU load hovers around the 20% mark most of the >> time and powerd is happy to reduce the operating frequency down to a few >> hundred MHz. There also does not seem to be much disk activity. >> >> So, memory, CPU and disk all seem fine. And still, whenever I try to >> switch applications, I have to wait minutes for them to appear. I am having >> a hard time figuring out what is going on. Any tips would be greatly >> appreciated. > > Just for an experiment, try to disable powerd and look if things improve. > Or just bump it to "maximum", temporarily. -- --
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