From owner-freebsd-hackers@FreeBSD.ORG Sun Jan 15 23:34:41 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C43F9106566C for ; Sun, 15 Jan 2012 23:34:41 +0000 (UTC) (envelope-from dieterbsd@engineer.com) Received: from mailout-us.mail.com (mailout-us.gmx.com [74.208.5.67]) by mx1.freebsd.org (Postfix) with SMTP id 680708FC13 for ; Sun, 15 Jan 2012 23:34:41 +0000 (UTC) Received: (qmail 15393 invoked by uid 0); 15 Jan 2012 23:34:41 -0000 Received: from 67.206.162.29 by rms-us005.v300.gmx.net with HTTP Content-Type: text/plain; charset="utf-8" Date: Sun, 15 Jan 2012 18:34:26 -0500 From: "Dieter BSD" Message-ID: <20120115233438.218240@gmx.com> MIME-Version: 1.0 To: freebsd-hackers@freebsd.org X-Authenticated: #74169980 X-Flags: 0001 X-Mailer: GMX.com Web Mailer x-registered: 0 Content-Transfer-Encoding: 8bit X-GMX-UID: 2QdhbyQ03zOlNR3dAHAhGLt+IGRvbwAQ Subject: Re: Sound on the system briefly interrupts when kde4 switches windows with nvidia card X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Jan 2012 23:34:41 -0000 > I have kde4 on 8.2 with translucency windows effect enabled and nvidia > graphics driver. > Every time I switch an active window or maximize some window, sound > played by mplayer interrupts for ~0.5 sec. Very annoying effect. Problem > disappears when windows effects in kde4 are turned off. > Is this likely a bug in nvidia driver that it locks up the system when a > lot of OpenGL operations are in progress? Or what might be a problem? Some drivers do things like DELAY(big number) while interrupts are turned off. Very bad. Look through the source, maybe you can find it. We REALLY need a way to service one device without shutting off interrupts from other devices.