Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422862AbWJVCr6 (ORCPT ); Sat, 21 Oct 2006 22:47:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751764AbWJVCr6 (ORCPT ); Sat, 21 Oct 2006 22:47:58 -0400 Received: from cantor2.suse.de ([195.135.220.15]:651 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751762AbWJVCr5 (ORCPT ); Sat, 21 Oct 2006 22:47:57 -0400 To: linux-kernel@vger.kernel.org, hancockr@shaw.ca Cc: linux-ide@vger.kernel.org Subject: Re: [PATCH] sata_nv ADMA/NCQ support for nForce4 (updated) II References: <45397D22.4030200@shaw.ca> From: Andi Kleen Date: 22 Oct 2006 04:47:56 +0200 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: 888 Lines: 16 Andi Kleen writes: > I tested it on a NF4-Professional system with 8GB RAM and a single > SATA disk. It first did nicely in LTP and some other tests, > but during a bonnie++ run it eventually blocked with all > IO hanging forever. No output either. I did a full backtrace > and it just showed the processes waiting for a IO wakeup. Hmm, to follow myself up: after a few more minutes the machine recovered and i could log in again (overall the stall was at least 5+ minutes though) Not sure whom to blame, the IO driver might be actually innocent and it just be one of the usual known but unfixed IO starvation problems. -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/