From owner-freebsd-current@FreeBSD.ORG Fri Jul 27 16:01:04 2007 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ED8E516A47B for ; Fri, 27 Jul 2007 16:01:04 +0000 (UTC) (envelope-from rink@thunderstone.rink.nu) Received: from mx1.rink.nu (thunderstone.rink.nu [80.112.228.34]) by mx1.freebsd.org (Postfix) with ESMTP id A805613C480 for ; Fri, 27 Jul 2007 16:01:04 +0000 (UTC) (envelope-from rink@thunderstone.rink.nu) Received: from localhost (localhost [127.0.0.1]) by mx1.rink.nu (Postfix) with ESMTP id BA59C6D458 for ; Fri, 27 Jul 2007 17:41:33 +0200 (CEST) X-Virus-Scanned: amavisd-new at rink.nu Received: from mx1.rink.nu ([127.0.0.1]) by localhost (thunderstone.rink.nu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VLHdJRIdVw20 for ; Fri, 27 Jul 2007 17:41:29 +0200 (CEST) Received: from thunderstone.rink.nu (localhost [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.rink.nu (Postfix) with ESMTP id EED046D457 for ; Fri, 27 Jul 2007 17:41:28 +0200 (CEST) Received: (from rink@localhost) by thunderstone.rink.nu (8.13.8/8.13.8/Submit) id l6RFfSZr003642 for current@FreeBSD.org; Fri, 27 Jul 2007 17:41:28 +0200 (CEST) (envelope-from rink) Date: Fri, 27 Jul 2007 17:41:28 +0200 From: Rink Springer To: current@FreeBSD.org Message-ID: <20070727154128.GA3093@rink.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) Cc: Subject: Extremely high interrupt count / load on recent CURRENT 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 Jul 2007 16:01:05 -0000 Hi everyone, Since my last csup, I'm encountering very high interrupt counts (and thus, a high associated interrupt load) on my workstation. vmstat -i reports: interrupt total rate irq1: atkbd0 26087 1 irq14: ata0 58 0 irq16: emu10kx0 1051388503 78968 irq17: nvidia0+ 1189799 89 irq20: ohci0 16596 1 irq21: ehci0 1 0 irq22: atapci1 1387849 104 irq23: atapci2 905538 68 irq24: arcmsr0 176404 13 irq27: isp0 85 0 irq28: bge0 37642180 2827 cpu0: timer 26627670 1999 cpu1: timer 26595670 1997 Total 1145956440 86071 The problem is, when I remove the snd_emu10kx driver (I load it as a module in loader(8)), then irq28: bge0 starts to exhibit the same pattern, generating thousands of interrupts. My kernel is GENERIC + ULE - WITNESS, but the problem also occured using plain GENERIC. dmesg is available at http://rink.nu/tmp/dmesg-pitchfork.txt Can anyone help me track this down? Regards, -- Rink P.W. Springer - http://rink.nu "root is always right" -- the kernel