Subject: Re: "net: remove sock_iocb" breaks ip tool - "Cannot send dump request : Connection refused"

From: Christoph Hellwig <[email-masked]>
Date: Thu, 5 Feb 2015 10:41:35 +0100

On Thu, Feb 05, 2015 at 10:36:01AM +0100, Alban Browaeys wrote:
> "ip a" returns "Cannot send dump request : Connection refused" until I
> revert commit 7cc05662682d ("net: remove sock_iocb").
> This as root or as user.
> 
> NetworkManager is affected too.
> 
> Could siocb cache the cookie ? 

Ca you strace what syscall on what socket causes that return?