From owner-freebsd-hackers Thu Apr 22 21:34:20 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [209.157.86.2]) by hub.freebsd.org (Postfix) with ESMTP id F103614C59 for ; Thu, 22 Apr 1999 21:34:17 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id VAA19604; Thu, 22 Apr 1999 21:31:46 -0700 (PDT) (envelope-from dillon) Date: Thu, 22 Apr 1999 21:31:46 -0700 (PDT) From: Matthew Dillon Message-Id: <199904230431.VAA19604@apollo.backplane.com> To: "David E. Cross" Cc: freebsd-hackers@FreeBSD.ORG, crossd@cs.rpi.edu, schimken@cs.rpi.edu Subject: Re: what are the possible causes of the following... References: <199904230424.AAA26019@cs.rpi.edu> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG :In the logs for a machine: :vm_fault: pager read error, pid 26656 (valtest) :vm_page_free: freeing wired page :Apr 22 20:40:00 monica /kernel: pid 26656 (valtest), uid 2436: exited on signal 11 :... :... :Apr 22 21:11:32 monica routed .... :panic: vm_page_unwire: invalid wire count: 0 : :It seems obvious the 3 messages are all tied together. What would cause the :first (whihc is the apparent cause of the other, and the final panic). :There is no mention anywhere in the logs of mechanical difficulties. The :swap disk is a , DMA, 32-bit, multi-block-16>. : :(the other messages ahre there just to provide a time context for when this :happened.) :-- :David Cross | email: crossd@cs.rpi.edu :Systems Administrator/Research Programmer | Web: http://www.cs.rpi.edu/~crossd Where is the valtest binary? Over NFS? Did you compile up a new binary while a client was running the old one? This is the most typical cause of a pager read error. -Matt Matthew Dillon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message