From owner-freebsd-questions Sat Aug 10 7:32:27 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C26F237B400 for ; Sat, 10 Aug 2002 07:32:22 -0700 (PDT) Received: from c007.snv.cp.net (h008.c007.snv.cp.net [209.228.33.236]) by mx1.FreeBSD.org (Postfix) with SMTP id 21C9E43E84 for ; Sat, 10 Aug 2002 07:32:22 -0700 (PDT) (envelope-from backdoc@crotchett.com) Received: (cpmta 1718 invoked from network); 10 Aug 2002 07:32:21 -0700 Received: from 65.187.59.153 (HELO winbox1) by smtp.directvinternet.com (209.228.33.236) with SMTP; 10 Aug 2002 07:32:21 -0700 X-Sent: 10 Aug 2002 14:32:21 GMT Message-ID: <08cb01c2407a$9f26c0a0$6401a8c0@crotchett.com> From: "FreeBSD" To: "Roger 'Rocky' Vetterberg" , References: <3D5523BC.5030207@401.cx> Subject: Re: lockup during heavy I/O [SOLVED] Date: Sat, 10 Aug 2002 09:31:31 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG That's interesting. I'll definitely file that one away for future ref. ----- Original Message ----- From: "Roger 'Rocky' Vetterberg" To: Sent: Saturday, August 10, 2002 9:31 AM Subject: lockup during heavy I/O [SOLVED] > Hi folks. > > I have several times posted to this list to get help with some > spontaneuos lockups during heavy IDE or network usage. > The machine in question is a dual Celeron II 533MHz, 1G ram and > Promise UDMA100 IDE raid onboard. > This machine has earlier been running win*, linux and BeOS, and > never experienced any problems whatsoever. I recently moved it to > a new case and installed FreeBSD, and since then it has been > everything _but_ stable. I tried replacing ram and IDE drives, I > ran it with the IDE-raid disabled and I tried removing one of the > CPU's. Nothing helped. > This morning it struck me that the only thing that has changed, > besides the case, is the powersupply. I quickly ripped out the > 350W A-Open and replaced it with a 450W Enermax. That was about 6 > hours ago, since then the machine has constantly been running a > looping 'make -j8 buildworld' parallel with a 'make -j8 clean' in > /usr/ports. This has keeped the loadaverages hovering around 15 > constantly, and the box is still running. > > It might have been a lack of sufficient power, or the A-Open > powersupply was flaky. I checked the old case, and it has a > Zalman 300W powersupply that keeped the box happy for over a > year, so my guess is that A-Open just doesnt cut it. > Whatever it was, its gone now, and the box is stable as a rock. > Im posting this so future users browsing the archives with > similar problems may find it. > > I remember reading a thread earlier where someone asked if the > quality of the powersupply could affect a box's stability. I > guess this proves that the answer is clearly 'YES'. > > -- > R > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message