From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Ry5Pi-00074Q-BE for garchives@archives.gentoo.org; Thu, 16 Feb 2012 17:46:38 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 6520CE0D15; Thu, 16 Feb 2012 17:46:24 +0000 (UTC) Received: from mail-bk0-f53.google.com (mail-bk0-f53.google.com [209.85.214.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 39C68E0CF3 for ; Thu, 16 Feb 2012 17:45:20 +0000 (UTC) Received: by bkcit16 with SMTP id it16so2504713bkc.40 for ; Thu, 16 Feb 2012 09:45:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=kgAU0OkGWqPpzS4Np2/INnq+8XNafYpXJRCsrpOsPIw=; b=QuQbo7crnIIQDzKf+KpENaOnDWSNLW+DmXs7xt1i5/sjYwKcpx7znYkTlNm7y+mkfE zwyrxlpvDV7EBAnDXyrfIIQpYs7snqbo9WjUCTxquXDWKFru7XJm0xSEB3huWgUHF/ds 3OxIF2gRnEnC8Jx99cKyIqtW39TrCw+JtwquA= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.204.10.73 with SMTP id o9mr1939786bko.99.1329414320145; Thu, 16 Feb 2012 09:45:20 -0800 (PST) Received: by 10.223.4.154 with HTTP; Thu, 16 Feb 2012 09:45:20 -0800 (PST) In-Reply-To: <20120216183443.7e97c58b@weird.wonkology.org> References: <20120216162948.7eea6070@weird.wonkology.org> <20120216183443.7e97c58b@weird.wonkology.org> Date: Thu, 16 Feb 2012 09:45:20 -0800 Message-ID: Subject: Re: [gentoo-user] I want to play movies without hangs From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 00ad4280-984f-485e-b8c7-b539bc5cbf58 X-Archives-Hash: d897f402c37dd9c8c45223e56f42d990 On Thu, Feb 16, 2012 at 9:34 AM, Alex Schuster wrote: > Mark Knecht writes: > >> On Thu, Feb 16, 2012 at 7:29 AM, Alex Schuster >> wrote: > >> > How can I find out in such a case which processes are waiting >> > for I/O? top showed nothing. >> >> iotop is your friend. > > I had called it, but didn't spot the problem there. I don't remember > exactly what the output was, I had expected to see some process show a > large value in the IO column, but that was not the case. I THINK! Various > processes appeared, mostly Akonadi stuff. > > I should have logged this, I don't remember this s well. I have caught > some illness, and had fever, which did not help my memory. There were > some kworker processes listed on top, but I don't remember whether in > iotop or in top. > > Hmm. Now I just started Akonadi again, and get a lot I/O in iotop, and > xosview again shows much iowait CPU activity for a while. But that calmed > down after a minute. > >> I'll write more when I get some time to think > > Thanks :) > > =C2=A0 =C2=A0 =C2=A0 =C2=A0Wonko > Sorry. I was rushing then as now. If you start iotop and then hit the 'o' key it will show only processes actually doing io. If you're hang is truly an iowait then my experience is that it should at least identify what process is having the problem. HTH, Mark