Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964917AbWAIS1X (ORCPT ); Mon, 9 Jan 2006 13:27:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964916AbWAIS1X (ORCPT ); Mon, 9 Jan 2006 13:27:23 -0500 Received: from mx1.suse.de ([195.135.220.2]:22197 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S964915AbWAIS1W (ORCPT ); Mon, 9 Jan 2006 13:27:22 -0500 To: Nauman Tahir Cc: kernelnewbies@nl.kernel.org, linux-kernel@vger.kernel.org Subject: Re: X86_64 and X86_32 bit performance difference [Revisited] References: From: Andi Kleen Date: 09 Jan 2006 19:27:20 +0100 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 592 Lines: 12 Nauman Tahir writes: > I have posted this problem before. Now mailing again after testing as > recommeded in previous replys. > My configuration is: Most likely it's related to you misusing the PCI DMA API in some way. Review Documentation/DMA-mapping.txt closely. If that doesn't turn on the light try oprofile. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/