Date: Mon, 19 Aug 2002 12:53:44 -0700 From: Alex Zepeda <zipzippy@sonic.net> To: Don Lewis <dl-freebsd@catspoiler.org>, current@freebsd.org Subject: Re: sleeping with "mntvnode" locked... Message-ID: <20020819195344.GA2182@blarf.homeip.net> In-Reply-To: <200208190856.g7J8ucwr027114@gw.catspoiler.org> References: <20020819083238.GA739@blarf.homeip.net> <200208190856.g7J8ucwr027114@gw.catspoiler.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Aug 19, 2002 at 01:56:38AM -0700, Don Lewis wrote: > This is getting triggered by the kern.vnode sysctl. SMP or UP? SMP kernel, 1 processor until I find a lower profile heatsink. > Offhand > I have a hard time seeing how the sequence > vref(vp) > do cpu bound stuff > vrele(vp) > would do anything other than increment and decrement the vnode reference > count on a UP box. Even on an SMP box, what are the chances that some > other process would vrele() a vnode while the sysctl handler had a > reference to it and was copying some data from it? > > Does "sysctl kern.vnode" trigger this panic while the machine is idle? I can only assume no, as I've run sysctl -a many times in a row before that crash and since that crash and it's yet to crash again with that crash (it did fall over with a most recently used by temp panic after about five hours tho). - alex To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020819195344.GA2182>