On Wed, Sep 08, 2010 at 11:16:41PM +0000, Brad Dameron wrote:
> Bert,
>
> I can’t seem to get this latest version to run right. I build my RPM. I
> launch it with the following:
This is not good! Does it crash immediately, even without accepting any
traffic?
So if you bind it to port 54 (for example), does it crash too?
Bert
>
> /usr/sbin/pdns_recursor --local-address=172.26.68.42,127.0.0.1
> / --allow-from= --max-cache-entries=3000000 --log-common-errors=no
> / --threads=4 --socket-dir=/var/run/recursor1 --daemon --dont-query=
>
> pdns_recursor[32283]: Operating in 64 bits mode
> pdns_recursor[32283]: Reading random entropy from '/dev/urandom'
> pdns_recursor[32283]: WARNING: Allowing queries from all IP addresses - this
> can be a security risk!
> pdns_recursor[32283]: Inserting rfc 1918 private space zones
> pdns_recursor[32283]: Listening for UDP queries on 172.26.68.42:53
> pdns_recursor[32283]: Listening for UDP queries on 127.0.0.1:53
> pdns_recursor[32283]: Enabled TCP data-ready filter for (slight) DoS
> protection
> pdns_recursor[32283]: Listening for TCP queries on 172.26.68.42:53
> pdns_recursor[32283]: Listening for TCP queries on 127.0.0.1:53
> pdns_recursor[32283]: Calling daemonize, going to background
> pdns_recursor[32284]: Launching 4 threads
> pdns_recursor[32284]: Done priming cache with root hints
> kernel: pdns_recursor[32288] general protection rip:4ea75c rsp:42802840
> error:0
> pdns_recursor[32284]: Done priming cache with root hints
> pdns_recursor[32298]: PowerDNS recursor 3.3-pre (C) 2001-2010 PowerDNS.COM BV
> (Sep 8 2010, 22:53:00, gcc 4.1.2 20080704 (Red Hat
>
> pdns_recursor[32298]: PowerDNS comes with ABSOLUTELY NO WARRANTY. This is
> free software, and you are welcome to redistribute it ac
> the GPL version 2.
> pdns_recursor[32298]: Operating in 64 bits mode
> pdns_recursor[32298]: Reading random entropy from '/dev/urandom'
> pdns_recursor[32298]: WARNING: Allowing queries from all IP addresses - this
> can be a security risk!
> pdns_recursor[32298]: Inserting rfc 1918 private space zones
> pdns_recursor[32298]: Listening for UDP queries on 172.26.68.42:53
> pdns_recursor[32298]: Listening for UDP queries on 127.0.0.1:53
> pdns_recursor[32298]: Enabled TCP data-ready filter for (slight) DoS
> protection
> pdns_recursor[32298]: Listening for TCP queries on 172.26.68.42:53
> pdns_recursor[32298]: Listening for TCP queries on 127.0.0.1:53
> pdns_recursor[32298]: Calling daemonize, going to background
> pdns_recursor[32299]: Launching 4 threads
> pdns_recursor[32299]: Done priming cache with root hints
> kernel: pdns_recursor[32300] general protection rip:4ea75c rsp:409ff840
> error:0
> pdns_recursor[32307]: PowerDNS recursor 3.3-pre (C) 2001-2010 PowerDNS.COM BV
> (Sep 8 2010, 22:53:00, gcc 4.1.2 20080704 (Red Hat
>
> pdns_recursor[32307]: PowerDNS comes with ABSOLUTELY NO WARRANTY. This is
> free software, and you are welcome to redistribute it ac
> the GPL version 2.
> pdns_recursor[32307]: Operating in 64 bits mode
> pdns_recursor[32307]: Reading random entropy from '/dev/urandom'
> pdns_recursor[32307]: WARNING: Allowing queries from all IP addresses - this
> can be a security risk!
> pdns_recursor[32307]: Inserting rfc 1918 private space zones
> pdns_recursor[32307]: Listening for UDP queries on 172.26.68.42:53
> pdns_recursor[32307]: Listening for UDP queries on 127.0.0.1:53
> pdns_recursor[32307]: Enabled TCP data-ready filter for (slight) DoS
> protection
> pdns_recursor[32307]: Listening for TCP queries on 172.26.68.42:53
> pdns_recursor[32307]: Listening for TCP queries on 127.0.0.1:53
> pdns_recursor[32307]: Calling daemonize, going to background
> pdns_recursor[32308]: Launching 4 threads
> pdns_recursor[32308]: Done priming cache with root hints
> pdns_recursor[32308]: Enabled 'epoll' multiplexer
> kernel: pdns_recursor[32309]: segfault at 0000000000723a41 rip
> 0000000000723a41 rsp 00000000409ffb18 error 15
>
>
> Thanks,
> Brad
>
>
>
>
>
> From: pdns-users-boun...@mailman.powerdns.com
> [mailto:pdns-users-boun...@mailman.powerdns.com] On Behalf Of
> bert.hub...@netherlabs.nl
> Sent: Tuesday, September 07, 2010 5:45 AM
> To: Mike
> Cc: Brad Dameron; pdns-users@mailman.powerdns.com
> Subject: Re: [Pdns-users] tcp listener issue - hopefully fixed
>
> Simon,
>
> Brief reply, am on the road. 3.3 will be released the moment you, brad or
> laurent confirm the issue is truly gone.
>
> What I can do is make packages that will be binary identical to the real 3.3
> once you 'bless' them as having solved your issue. This would save you an
> upgrade.
>
> Would this work for you?
>
> Bert.
>
> Sent from my phone.
>
> ----- Reply message -----
> From: "Simon Bedford" <sbedf...@plus.net>
> Date: Mon, Sep 6, 2010 14:16
> Subject: tcp listener issue - hopefully fixed
> To: "bert hubert" <bert.hub...@netherlabs.nl>
> Cc: "Brad Dameron" <brad.dame...@clearwire.com>,
> "pdns-users@mailman.powerdns.com" <pdns-users@mailman.powerdns.com>
>
>
> Hi Bert,
>
> Apologies for the delay in replying I have been assigned to some different
> work for the moment, I don't think I will get a chance to compile and test
> this version and was going to wait for the full 3.3 version release. Do you
> know how far off this is at all? Our production systems are still displaying
> the tcp listener issue but I have a watchdog script restarting it before it
> maxs out the number of clients so no customer impact, I would be loathed to
> look at upgrading until we have the full 3.3 deb package if possible.
>
> Simon
>
> ________________________________________
> From: bert hubert [bert.hub...@netherlabs.nl]
> Sent: 29 August 2010 15:56
> To: Simon Bedford
> Cc: Brad Dameron; pdns-users@mailman.powerdns.com
> Subject: Re: tcp listener issue - hopefully fixed
>
> On Mon, Aug 23, 2010 at 11:37:42AM +0100, Simon Bedford wrote:
> > Just returned from annual leave to this welcome news, has anyone had
> > a chance to try it as yet and investigate whether the bug still
> > manifests? And does it no longer happen when running Brad's test
> > script?
>
> Simon,
>
> Sadly we found that the previous code drop, while stable, still exhibited
> the same problem.
>
> We've fixed yet another bug that might be causing the issue, and we are
> currently testing that.
>
> This drop can be found on
> http://svn.powerdns.com/snapshots/pdns-recursor-3.3-pre.tar.bz2
>
> If you compile the program below, and run it on your pdns server, you'll
> probably see it print '0' and then a very large number. If you could share
> that output with us, it could tell us if we are on the right track.
>
> http://pastie.org/1124088
> http://pastie.org/1124088.txt
> To compile, save as .cpp file and compile with 'g++ -O2 testing.cpp -o
> testing',
> and run with './testing'.
>
> Good luck!
>
> Bert
>
>
>
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