From owner-freebsd-current@FreeBSD.ORG Fri Feb 27 17:12:22 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A0553106564A for ; Fri, 27 Feb 2009 17:12:22 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 7287A8FC0A for ; Fri, 27 Feb 2009 17:12:22 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (pool-98-109-39-197.nwrknj.fios.verizon.net [98.109.39.197]) by cyrus.watson.org (Postfix) with ESMTPSA id 01EF946BAC; Fri, 27 Feb 2009 12:12:21 -0500 (EST) Received: from localhost (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.3/8.14.3) with ESMTP id n1RHCDaj052923; Fri, 27 Feb 2009 12:12:13 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-current@freebsd.org Date: Fri, 27 Feb 2009 12:08:47 -0500 User-Agent: KMail/1.9.7 References: <200902271730.07660.snasonov@bcc.ru> In-Reply-To: <200902271730.07660.snasonov@bcc.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902271208.48212.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Fri, 27 Feb 2009 12:12:16 -0500 (EST) X-Virus-Scanned: ClamAV 0.94.2/9054/Fri Feb 27 04:02:52 2009 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Sergey G Nasonov Subject: Re: Interrupt stom on cardbus device X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Feb 2009 17:12:22 -0000 On Friday 27 February 2009 9:30:06 am Sergey G Nasonov wrote: > Hello all, > I have get an issue after recent kernel recompile. > The problem appears after switch from X to text console and back to X11. > After that vmstat -i show an interrupt storm on cardbus device: > > > vmstat -i > interrupt total rate > irq1: atkbd0 6483 3 > irq9: acpi0 3236 1 > irq12: psm0 347988 167 > irq14: ata0 16431 7 > irq16: cbb0 uhci2+ 13624982 6556 > irq20: uhci0 14 0 > irq22: ehci0 2 0 > cpu0: timer 4154687 1999 > irq256: em0 53736 25 > irq257: hdac0 5797 2 > cpu1: timer 4153683 1998 > irq258: vgapci0 235585 113 > Total 22602624 10877 > > I suppose that the issue related with the latest MSI interrupt > handler changes for intel graphics chipset. My laptop has i965GM. > pciconf -lv: > > vgapci0@pci0:0:2:0: class=0x030000 card=0x20b517aa chip=0x2a028086 > rev=0x0c hdr=0x00 > vendor = 'Intel Corporation' > device = 'Mobile 965 Express Integrated Graphics Controller' > class = display > subclass = VGA > > When I added my device to drm_msi_blacklist and recompile drm modules the > problem disappear. > Is it possible to resolve this problem without moving the device to the > drm_msi_blacklist? > I can test any patches or provide additional detail if it is required. > Thanks. It seems the device is still interrupting on its INTx line perhaps in addition to the MSI interrupts. -- John Baldwin