From owner-freebsd-hackers Tue May 18 12:16:52 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from xylan.com (postal.xylan.com [208.8.0.248]) by hub.freebsd.org (Postfix) with ESMTP id E693114D8D for ; Tue, 18 May 1999 12:16:45 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from mailhub.xylan.com by xylan.com (8.8.7/SMI-SVR4 (xylan-mgw 2.2 [OUT])) id MAA16580; Tue, 18 May 1999 12:14:56 -0700 (PDT) Received: from omni.xylan.com by mailhub.xylan.com (SMI-8.6/SMI-SVR4 (mailhub 2.1 [HUB])) id MAA09732; Tue, 18 May 1999 12:14:56 -0700 Received: from softweyr.com (dyn1.utah.xylan.com) by omni.xylan.com (4.1/SMI-4.1 (xylan engr [SPOOL])) id AA12707; Tue, 18 May 99 12:14:52 PDT Message-Id: <3741BC2C.BA0C1871@softweyr.com> Date: Tue, 18 May 1999 13:14:52 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.5 [en] (X11; U; FreeBSD 3.1-RELEASE i386) X-Accept-Language: en Mime-Version: 1.0 To: Dan Nelson Cc: Stefan Bethke , Kris Kennaway , "Ueda, Kazukiyo" , hackers@FreeBSD.ORG Subject: Re: Seti project / stats reset, new version available References: <224739.3136033369@d225.promo.de> <37419AF0.93569574@softweyr.com> <19990518121747.A61302@dan.emsphone.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Dan Nelson wrote: > > Problem is that idprio isn't safe. I used to idprio the rc5client, but > within a day or do the machine would lock up. Rc5client would get a > lock on the root of the filesystem at idprio, and if there was another > process running at 100% CPU, rc5client would never get a chance to > unlock, causing all the other processes on the system to hang. > > See PR kern/5641. Hmmm. Can you say "inversion proof semaphore?" Bad news, huh? -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC http://www.softweyr.com/~softweyr wes@softweyr.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message