Date: Mon, 22 Jan 2001 16:55:51 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: Matt Dillon <dillon@earth.backplane.com> Cc: current@FreeBSD.ORG Subject: Re: loopback nfs hangs now propagated to -stable... Message-ID: <Pine.LNX.4.21.0101221651490.9065-100000@zeppo.feral.com> In-Reply-To: <200101211954.f0LJsWI15413@earth.backplane.com>
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I would, except that several attempts to get this to work have failed. It hangs syncing disks, I couldn't get into ddb....I'll keep trying as I can, but, you know, this is really really easy to reproduce- can't you do it? The best I can tell you at the moment is that objcopy is in sleeping on 'sbwait'. -matt > : > :The loopback nfs hangs that have been with us for a month have now propagated > :to -stable. > > Can you break into DDB and get a 'ps' and a kernel core? There are a > bunch of things it could be, including possibly my low-memory deadlock > code (which concentrated more on UFS and not so much on NFS), though > my low-memory deadlock code was committed all the way back in > december (12/29). The only recent commit was to fix an O_EXCL bug, > and I doubt that could cause a loopback deadlock. The cause could > also be related to MFC's (not by me) related to the network stack, > which are more recent. There isn't much in the cvs logs that I > can see as having caused the problem to occur only recently. > > -Matt > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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