linux-kernel - Re: Using netconsole and getting double prints

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1257484663.2873.622.camel@calx>
Date:	Thu, 05 Nov 2009 23:17:43 -0600
From:	Matt Mackall <mpm@...enic.com>
To:	"Luis R. Rodriguez" <mcgrof@...il.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Using netconsole and getting double prints

On Thu, 2009-11-05 at 16:54 -0800, Luis R. Rodriguez wrote:
> I'm getting double prints when using netconsole. This used to happen
> to me and then I just enable debugging log level manually (dmesg -n 8)
> but now no matter what I try I always get double prints.

This is the first report I've seen of that. Recommend investigating with
wireshark.

> I capture my data with netcat script (I call it netlog):
> 
> #!/bin/bash
> echo "You should now run in another window: tail -f $HOME/log"
> while true; do
> 	/bin/nc -u -l -p 6666 >> $HOME/log
> done
> 
> This also just doesn't work if I run the nc manually without a redirect:
> 
> while true; do /bin/nc -u -l -p 6666; done

That really shouldn't make any difference.

-- 
http://selenic.com : development and support for Mercurial and Linux

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/