From owner-freebsd-bugs Fri Feb 8 5:50: 8 2002 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 72C7137B417 for ; Fri, 8 Feb 2002 05:50:04 -0800 (PST) Received: (from gnats@localhost) by freefall.freebsd.org (8.11.6/8.11.6) id g18Do4k47980; Fri, 8 Feb 2002 05:50:04 -0800 (PST) (envelope-from gnats) Date: Fri, 8 Feb 2002 05:50:04 -0800 (PST) Message-Id: <200202081350.g18Do4k47980@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: David Malone Subject: Re: kern/34711: frequent system stall under moderate scsi load Reply-To: David Malone Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org The following reply was made to PR kern/34711; it has been noted by GNATS. From: David Malone To: Craig Stratton Cc: freebsd-gnats-submit@freebsd.org Subject: Re: kern/34711: frequent system stall under moderate scsi load Date: Fri, 08 Feb 2002 13:48:26 +0000 All the processes are in a state where they are waiting for the disk (inode, biord and getblk). The percentage system time is kinda high too - is that typical of this system? Can you have a look at the output of dmesg and see if there is anything mentioned around the stall time. Also, what type of SCSI card do you have? The relivant lines from /var/log/dmesg.boot might be useful. It is possible that the system is just running low on memory and getting stuck trying to free it up. Matt Dillon made some improvements in this area, which probably came in since 4.1... David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message