From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751384AbWAFMuE (ORCPT ); Fri, 6 Jan 2006 07:50:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751478AbWAFMuE (ORCPT ); Fri, 6 Jan 2006 07:50:04 -0500 Received: from hulk.jobsahead.com ([202.138.125.174]:1224 "EHLO hulk.jobsahead.com") by vger.kernel.org with ESMTP id S1751384AbWAFMuC (ORCPT ); Fri, 6 Jan 2006 07:50:02 -0500 Subject: Re: High load From: Aniruddh Singh To: Con Kolivas Cc: linux In-Reply-To: <200601052100.45107.kernel@kolivas.org> References: <1136454597.6016.7.camel@aps.monsterindia.noida> <200601052100.45107.kernel@kolivas.org> Content-Type: text/plain Date: Fri, 06 Jan 2006 18:06:11 +0530 Message-Id: <1136550971.5557.2.camel@aps.monsterindia.noida> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-4.asl) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, there is a raid 0 and raid controller is Smart Array 64xx (rev 01) hdparm -tT /dev/cciss/c0d0p2 returns the following /dev/cciss/c0d0p2: Timing buffer-cache reads: 2660 MB in 2.00 seconds = 1329.92 MB/sec Timing buffered disk reads: 248 MB in 3.00 seconds = 82.55 MB/sec if i try to hdparm -I /dev/cciss/c0d0 it returns /dev/cciss/c0d0: operation not supported on SCSI disks On Thu, 2006-01-05 at 21:00 +1100, Con Kolivas wrote: > On Thursday 05 January 2006 20:49, Aniruddh Singh wrote: > > HI all, > > > > I have one compaq server with 4 Intel(R) Xeon cpu's (3.1GHZ), 4GB RAM. > > OS:- Fedora Core 2 > > Kernel:- 2.6.14 > > > > when i compile a new kernel, during th compilation process load goes > > very high (10 and little above). i can not understand why does this > > happen, while if i compile the same kernel on my P4 machine with 1GB ram > > and 3GHZ, it remains under 3. > > > > can somebody tell me what is wrong? > > - > > Sounds suspiciously like DMA is not working on your drives. Check your dmesg > logs and what hdparm returns. > > Con > - > 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/ -- Regards Aniruddh Singh System Administrator Monster.com India Pvt. Ltd. FC 23, Block B, 1st Floor, Sector 16A Film City Noida 201301 U.P.