From owner-freebsd-stable Sun Jun 13 18: 2:29 1999 Delivered-To: freebsd-stable@freebsd.org Received: from thelab.hub.org (nat192.211.mpoweredpc.net [142.177.192.211]) by hub.freebsd.org (Postfix) with ESMTP id 5AD3B14C35; Sun, 13 Jun 1999 18:02:19 -0700 (PDT) (envelope-from scrappy@hub.org) Received: from localhost (scrappy@localhost) by thelab.hub.org (8.9.3/8.9.1) with ESMTP id WAA25268; Sun, 13 Jun 1999 22:02:13 -0300 (ADT) (envelope-from scrappy@hub.org) X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs Date: Sun, 13 Jun 1999 22:02:13 -0300 (ADT) From: The Hermit Hacker To: Matthew Dillon Cc: "David E. Cross" , freebsd-current@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Subject: Re: MMAP() in STABLE/CURRENT ... In-Reply-To: <199906130459.VAA65612@apollo.backplane.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 12 Jun 1999, Matthew Dillon wrote: > :Anyway, I have a simple program that mmap()s a 1Gig file into memory, > :madvise()s it that it will be doing random access. If I quit and restart > :this program a couple of times (yes, it close()s and munmap()s the segment), > :my system will hard lock. By dropping into DDB once I found that it was > :stuck in 'vm_somethingorother_choosepage'. Does this ring any bells? Should > :I try to stop my system again? > : > :-- > :David Cross | email: crossd@cs.rpi.edu > > David, can you email this program to me please? > > Also, which FreeBSD release does this occur on? > > I've got about 6 mmap-related bugs on my plate at the moment. 3 of them > have been identified ( that is, I know why they deadlock the machine ), > but none have been fixed yet. Matt, I'll volunteer myself as a tester for this code under 3.2-STABLE, when you have it ready... Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message