Date: Tue, 11 Nov 2003 17:37:05 -0800 (PST) From: Doug White <dwhite@gumbysoft.com> To: current@freebsd.org Subject: Re: Still getting NFS client locking up Message-ID: <20031111173123.L66327@carver.gumbysoft.com> In-Reply-To: <200311111620.13378.x@Vex.Net> References: <200311101744.hAAHiefC008462@spider.deepcore.dk> <200311111620.13378.x@Vex.Net>
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On Tue, 11 Nov 2003, Tim Middleton wrote: > The server is a P3-1ghz Intel STL2 box, with 1 gig of ram. Using the onboard > fxp ethernet at 100baseTX. It is not using dhcp. Nothing much else is running > on this server box as I'm just testing it. When the server locks the box can > not even be pinged. Can you set up a serial console on this system? If so, enable these kernel options: options DDB options WITNESS options INVARIANTS options INVARIANTS_SUPPORT options BREAK_TO_DEBUGGER Boot through the serial console then trigger the bug and send a break from serial. If you drop into ddb, then its a Giant deadlock. If you can get that, then do 'show locks' from ddb to get a list of potential culprits, and 'tr' for what its stuck doing. The kernel handbook section on kernel debugging will be a useful read. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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