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Date:	Sat, 01 Nov 2008 09:41:18 -0400
From:	Trond Myklebust <>
To:	Ian Campbell <>
Cc:	Max Kellermann <>,,, Grant Coady <>,
	"J. Bruce Fields" <>,
	Tom Tucker <>
Subject: Re: [PATCH] NFS regression in 2.6.26?, "task blocked for more than
 120 seconds"

On Sat, 2008-11-01 at 11:45 +0000, Ian Campbell wrote:
> On Mon, 2008-10-20 at 07:27 +0100, Ian Campbell wrote:
> > So far I have bisected down to this range and am currently testing
> > acee478 which has been up for >4days.
> Another update. It has now bisected down to a small range 
> 7272dcd31d56580dee7693c21e369fd167e137fe SUNRPC: xprt_autoclose() should not call xprt_disconnect()
> e06799f958bf7f9f8fae15f0c6f519953fb0257c SUNRPC: Use shutdown() instead of close() when disconnecting a TCP socket
> ef80367071dce7d2533e79ae8f3c84ec42708dc8 SUNRPC: TCP clear XPRT_CLOSE_WAIT when the socket is closed for writes
> 3b948ae5be5e22532584113e2e02029519bbad8f SUNRPC: Allow the client to detect if the TCP connection is closed
> 67a391d72ca7efb387c30ec761a487e50a3ff085 SUNRPC: Fix TCP rebinding logic
> 66af1e558538137080615e7ad6d1f2f80862de01 SUNRPC: Fix a race in xs_tcp_state_change()
> I'm currently testing 3b948ae5be5e22532584113e2e02029519bbad8f.
> 7272dcd31d56580dee7693c21e369fd167e137fe repro'd in half a day while
> ef818a28fac9bd214e676986d8301db0582b92a9 (parent of
> 66af1e558538137080615e7ad6d1f2f80862de01) survived for 7 days.
> Ian.

Have you tested with the TCP RST fix yet? It has been merged into
mainline, so it should be in the latest 2.6.28-git, but I've attached it
so you can apply it to your test kernel...


Download attachment "linux-2.6.27-001-respond_promptly_to_socket_errors.dif" of type "application/x-dif" (4419 bytes)

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