netdev - Re: [PATCH iproute2] ss: Use rtnl_dump_filter in handle_netlink

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Message-ID: <20141203150748.001d481e@urahara>
Date:	Wed, 3 Dec 2014 15:07:48 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Vadim Kochan <vadim4j@...il.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2] ss: Use rtnl_dump_filter in
 handle_netlink_request

On Thu, 4 Dec 2014 00:15:54 +0200
Vadim Kochan <vadim4j@...il.com> wrote:

> I established some simple OpenVPN connection (at least by the logs and
> ss I see that peer is connected), but
> I dont get any errors with ss.
> 
> So can you please provide some more info how did you tested this patch
> ? I am surprised that this is caused only
> by these changes ...
> 
> On Wed, Dec 3, 2014 at 7:45 PM,  <vadim4j@...il.com> wrote:
> > On Wed, Dec 03, 2014 at 09:51:23AM -0800, Stephen Hemminger wrote:
> >> On Wed, 3 Dec 2014 19:20:10 +0200
> >> vadim4j@...il.com wrote:
> >>
> >> > On Wed, Dec 03, 2014 at 09:21:29AM -0800, Stephen Hemminger wrote:
> >> > > On Tue,  2 Dec 2014 16:53:04 +0200
> >> > > Vadim Kochan <vadim4j@...il.com> wrote:
> >> > >
> >> > > > Replaced handling netlink messages by rtnl_dump_filter
> >> > > > from lib/libnetlink.c, also:
> >> > > >
> >> > > >     - removed unused dump_fp arg;
> >> > > >     - added MAGIC_SEQ #define for 123456 seq id
> >> > > >
> >> > > > Signed-off-by: Vadim Kochan <vadim4j@...il.com>
> >> > >
> >> > > This doesn't work correctly.
> >> > >
> >> > > Simple test
> >> > >   $ misc/ss >/dev/null
> >> > > RTNETLINK answers: No such file or directory
> >> > > RTNETLINK answers: No such file or directory
> >> > > RTNETLINK answers: No such file or directory
> >> >
> >> > Just tried, I did not get such errors.
> >>
> >> I have OpenVPN running.
> >
> > Hm, it is reproduced only with this patch ?
> > If so I will try to setup OpenVPN ... can't imagine how it can be
> > related ...

I am running on 3.17.4 kernel if that helps.
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