Fwd: Power DNS recursor entered failed state

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Fwd: Power DNS recursor entered failed state

Federico87

Hi Guys,

Not 100% sure if is a PDNS problem but yesterday I have upgraded it (for mistake!)  via apt-get command and now I'm running the version 0.0.410g1cfe8b4

Since the Upgrade the memory allocation seems not uniform compared to before

Also, it seems that stop to run after a while and I need to restart the process manually

That is the error form syslog

Dec 07 10:54:45 T1000 kernel: pdns_recursor[30724]: segfault at 0 ip 00007ff1c8464a94 sp 00007ff1bcac4830 error 4 in pdns_recursor[7ff1c82ae000+276000]
Dec 07 10:54:45 T1000 systemd[1]: pdns-recursor.service: main process exited, code=killed, status=11/SEGV
Dec 07 10:54:45 T1000 systemd[1]: Unit pdns-recursor.service entered failed state.

Also, you can see the server on Metronome with the name of t1000-gtel

Any suggestion? Any quick way to roll-back the PDNS version installed

Thank You

P.S.

I re-sent the e-mail without image attached because it was too big

Federico


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Re: Fwd: Power DNS recursor entered failed state

Leen Besselink
On Mon, Dec 07, 2015 at 11:23:31AM +0000, Federico Olivieri wrote:

> Hi Guys,
>
> Not 100% sure if is a PDNS problem but yesterday I have upgraded it (for
> mistake!)  via apt-get command and now I'm running the
> version 0.0.410g1cfe8b4
>
> Since the Upgrade the memory allocation seems not uniform compared to before
>
> Also, it seems that stop to run after a while and I need to restart the
> process manually
>
> That is the error form syslog
>
> Dec 07 10:54:45 T1000 kernel: pdns_recursor[30724]: segfault at 0 ip
> 00007ff1c8464a94 sp 00007ff1bcac4830 error 4 in
> pdns_recursor[7ff1c82ae000+276000]
> Dec 07 10:54:45 T1000 systemd[1]: pdns-recursor.service: main process
> exited, code=killed, status=11/SEGV
> Dec 07 10:54:45 T1000 systemd[1]: Unit pdns-recursor.service entered failed
> state.
>
> Also, you can see the server on Metronome with the name of t1000-gtel
>
> Any suggestion? Any quick way to roll-back the PDNS version installed
>

Sounds like you are using Debian or Ubuntu or similar flavor.

Hete is how you do that with apt-get/dpkg:

If you look in /var/log/apt/ you can see what the previous version was that was installed:

Preparing to replace pdns-recursor old-version (using .../pdns-recursor-new-version.deb) ...

Probably best to use apt-get to install the old version:

apt-get install pdns-recursor=version-number

If that doesn't work:

You can look in /var/cache/apt/archives/ you might find the old version.

Depending on the depencies, you might be able to just install the old version with:

dpkg -i /var/cache/apt/archives/pdns-recursor-something.deb

> Thank You
>
> P.S.
>
> I re-sent the e-mail without image attached because it was too big
>
> Federico

> _______________________________________________
> Pdns-users mailing list
> [hidden email]
> http://mailman.powerdns.com/mailman/listinfo/pdns-users


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Re: Fwd: Power DNS recursor entered failed state

Federico87
Thanks Leen,

With your last suggestion I have been able to roll-back to the previous version (pdns-recursor_0.0.317gbecb4f3-1pdns.jessie_amd64.deb). Via apt the only package available were  pdns-recursor_0.0.410g1cfe8b4-1pdns.jessie_amd64.deb and pdns-recursor_3.6.2-2+deb8u2_amd64.deb

it would be interesting understand what it was the problem with the 0.0.410g then 

Regards,

Federico

2015-12-07 11:38 GMT+00:00 Leen Besselink <[hidden email]>:
On Mon, Dec 07, 2015 at 11:23:31AM +0000, Federico Olivieri wrote:
> Hi Guys,
>
> Not 100% sure if is a PDNS problem but yesterday I have upgraded it (for
> mistake!)  via apt-get command and now I'm running the
> version 0.0.410g1cfe8b4
>
> Since the Upgrade the memory allocation seems not uniform compared to before
>
> Also, it seems that stop to run after a while and I need to restart the
> process manually
>
> That is the error form syslog
>
> Dec 07 10:54:45 T1000 kernel: pdns_recursor[30724]: segfault at 0 ip
> 00007ff1c8464a94 sp 00007ff1bcac4830 error 4 in
> pdns_recursor[7ff1c82ae000+276000]
> Dec 07 10:54:45 T1000 systemd[1]: pdns-recursor.service: main process
> exited, code=killed, status=11/SEGV
> Dec 07 10:54:45 T1000 systemd[1]: Unit pdns-recursor.service entered failed
> state.
>
> Also, you can see the server on Metronome with the name of t1000-gtel
>
> Any suggestion? Any quick way to roll-back the PDNS version installed
>

Sounds like you are using Debian or Ubuntu or similar flavor.

Hete is how you do that with apt-get/dpkg:

If you look in /var/log/apt/ you can see what the previous version was that was installed:

Preparing to replace pdns-recursor old-version (using .../pdns-recursor-new-version.deb) ...

Probably best to use apt-get to install the old version:

apt-get install pdns-recursor=version-number

If that doesn't work:

You can look in /var/cache/apt/archives/ you might find the old version.

Depending on the depencies, you might be able to just install the old version with:

dpkg -i /var/cache/apt/archives/pdns-recursor-something.deb

> Thank You
>
> P.S.
>
> I re-sent the e-mail without image attached because it was too big
>
> Federico

> _______________________________________________
> Pdns-users mailing list
> [hidden email]
> http://mailman.powerdns.com/mailman/listinfo/pdns-users


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Re: Fwd: Power DNS recursor entered failed state

bert hubert-3
On Mon, Dec 07, 2015 at 11:57:58AM +0000, Federico Olivieri wrote:

> Thanks Leen,
>
> With your last suggestion I have been able to roll-back to the previous
> version (pdns-recursor_0.0.317gbecb4f3-1pdns.jessie_amd64.deb). Via apt the
> only package available were
>  pdns-recursor_0.0.410g1cfe8b4-1pdns.jessie_amd64.deb
> and pdns-recursor_3.6.2-2+deb8u2_amd64.deb
>
> it would be interesting understand what it was the problem with the
> 0.0.410g then

Please let your recursor send metrics, as described in
http://blog.powerdns.com/2014/12/11/powerdns-graphing-as-a-service/ this
allows you to see memory leaks etc.

Thanks.

        Bert


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Fwd: Fwd: Power DNS recursor entered failed state

Federico87
+--Also replied to the mailing list --+

Federico

---------- Forwarded message ----------
From: Federico Olivieri <[hidden email]>
Date: 2015-12-07 12:08 GMT+00:00
Subject: Re: [Pdns-users] Fwd: Power DNS recursor entered failed state
To: bert hubert <[hidden email]>


Hi Bert,

The server is already there. The name is t1000-gtel. Actually the server has been rolled back to 0.0.317

Thanks

Federico

2015-12-07 12:04 GMT+00:00 bert hubert <[hidden email]>:
On Mon, Dec 07, 2015 at 11:57:58AM +0000, Federico Olivieri wrote:
> Thanks Leen,
>
> With your last suggestion I have been able to roll-back to the previous
> version (pdns-recursor_0.0.317gbecb4f3-1pdns.jessie_amd64.deb). Via apt the
> only package available were
>  pdns-recursor_0.0.410g1cfe8b4-1pdns.jessie_amd64.deb
> and pdns-recursor_3.6.2-2+deb8u2_amd64.deb
>
> it would be interesting understand what it was the problem with the
> 0.0.410g then

Please let your recursor send metrics, as described in
http://blog.powerdns.com/2014/12/11/powerdns-graphing-as-a-service/ this
allows you to see memory leaks etc.

Thanks.

        Bert




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