Date: Tue, 18 May 1999 12:45:26 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Wes Peters <wes@softweyr.com> Cc: Dan Nelson <dnelson@emsphone.com>, Stefan Bethke <stefan.bethke@hanse.de>, Kris Kennaway <kkennawa@physics.adelaide.edu.au>, "Ueda, Kazukiyo" <kueda@jupiter.qse.tohoku.ac.jp>, hackers@FreeBSD.ORG Subject: Re: Seti project / stats reset, new version available Message-ID: <199905181945.MAA35770@apollo.backplane.com> References: <224739.3136033369@d225.promo.de> <37419AF0.93569574@softweyr.com> <19990518121747.A61302@dan.emsphone.com> <3741BC2C.BA0C1871@softweyr.com>
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: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 Yes, this is a very real problem. I forgot to mention it. -Matt Matthew Dillon <dillon@backplane.com> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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