[ixpmanager] Issues with aggregated graphs and MRTG in v5.x / Ubuntu 18.04

Mon Jul 15 11:12:36 IST 2019

Hello,

I have an issue after updating to v5.x (Ubuntu 18.04, Perl 5.26, Mrtg 2.17.4) from v4.9.x (Ubuntu 16.04, Perl 5.22, Mrtg 2.17.4/2.17.7). The aggregated graphs don’t work anymore, probably it’s related to MRTG / Perl (most likely). When a port is not working, on the old version I hit this error in the MRTG logs, which is perfectly fine and doesn’t affect aggregated graphs:

2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-bits][_IN_] ' $target->[85]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-bits][_OUT_] ' $target->[85]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-pkts][_IN_] ' $target->[224]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-pkts][_OUT_] ' $target->[224]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-bcasts][_IN_] ' $target->[641]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00090-bcasts][_OUT_] ' $target->[641]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-bits][_IN_] ' $target->[85]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-bits][_OUT_] ' $target->[85]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-pkts][_IN_] ' $target->[224]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-pkts][_OUT_] ' $target->[224]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-bcasts][_IN_] ' $target->[641]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00068-bcasts][_OUT_] ' $target->[641]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-bits][_IN_] ' $target->[122]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-bits][_OUT_] ' $target->[122]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-pkts][_IN_] ' $target->[261]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-pkts][_OUT_] ' $target->[261]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-bcasts][_IN_] ' $target->[678]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[pi00185-bcasts][_OUT_] ' $target->[678]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-bits][_IN_] ' $target->[122]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-bits][_OUT_] ' $target->[122]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-pkts][_IN_] ' $target->[261]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-pkts][_OUT_] ' $target->[261]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-bcasts][_IN_] ' $target->[678]{$mode} ' did not eval into defined data
2019-07-15 13:05:28 -- 2019-07-15 13:05:28: ERROR: Target[aggregate-00102-bcasts][_OUT_] ' $target->[678]{$mode} ' did not eval into defined data

But in v5.5, I also have these supplementary errors:

2019-07-15 12:55:09 -- 2019-07-15 12:55:09: ERROR: Target[switch-aggregate-00020-bits][_IN_] '  $target->[72]{$mode}  +  $target->[85]{$mode}  +  $target->[132]{$mode} ' (warn): Use of uninitialized value in pattern match (m//) at /usr/share/perl/5.26/Math/BigFloat.pm line 1551.
2019-07-15 12:55:09 -- 2019-07-15 12:55:09: ERROR: Target[ixp001-bcasts][_OUT_] '  $target->[548]{$mode}  +  $target->[549]{$mode}  +  $target->[550]{$mode}  +  $target->[551]{$mode}  +  $target->[552]{$mode}  +  $target->[553]{$mode}  +  $target->[554]{$mode}  +  $target->[555]{$mode}  +  $target->[556]{$mode}  +  $target->[557]{$mode}  +  $target->[558]{$mode}  +  $target->[559]{$mode}  +  $target->[560]{$mode}  +  $target->[561]{$mode}  +  $target->[562]{$mode}  +  $target->[563]{$mode}  +  $target->[564]{$mode}  +  $target->[565]{$mode}  +  $target->[566]{$mode}  +  $target->[567]{$mode}  +  $target->[568]{$mode}  +  $target->[569]{$mode}  +  $target->[570]{$mode}  +  $target->[571]{$mode}  +  $target->[572]{$mode}  +  $target->[573]{$mode}  +  $target->[574]{$mode}  +  $target->[575]{$mode}  +  $target->[576]{$mode}  +  $target->[577]{$mode}  +  $target->[578]{$mode}  +  $target->[579]{$mode}  +  $target->[580]{$mode}  +  $target->[581]{$mode}  +  $target->[582]{$mode}  +  $target->[583]{$mode}  +  $target->[584]{$mode}  +  $target->[585]{$mode}  +  $target->[586]{$mode}  +  $target->[587]{$mode}  +  $target->[588]{$mode}  +  $target->[589]{$mode}  +  $target->[590]{$mode}  +  $target->[591]{$mode}  +  $target->[592]{$mode}  +  $target->[593]{$mode}  +  $target->[594]{$mode}  +  $target->[595]{$mode}  +  $target->[596]{$mode}  +  $target->[597]{$mode}  +  $target->[598]{$mode}  +  $target->[599]{$mode}  +  $target->[600]{$mode}  +  $target->[601]{$mode}  +  $target->[602]{$mode}  +  $target->[603]{$mode}  +  $target->[604]{$mode}  +  $target->[605]{$mode}  +  $target->[606]{$mode}  +  $target->[607]{$mode}  +  $target->[608]{$mode}  +  $target->[609]{$mode}  +  $target->[610]{$mode}  +  $target->[611]{$mode}  +  $target->[612]{$mode}  +  $target->[613]{$mode}  +  $target->[614]{$mode}  +  $target->[615]{$mode}  +  $target->[616]{$mode}  +  $target->[617]{$mode}  +  $target->[618]{$mode}  +  $target->[619]{$mode}  +  $target->[620]{$mode}  +  $target->[621]{$mode}  +  $target->[622]{$mode}  +  $target->[623]{$mode}  +  $target->[624]{$mode}  +  $target->[625]{$mode}  +  $target->[626]{$mode}  +  $target->[627]{$mode}  +  $target->[628]{$mode}  +  $target->[629]{$mode}  +  $target->[630]{$mode}  +  $target->[631]{$mode}  +  $target->[632]{$mode}  +  $target->[633]{$mode}  +  $target->[634]{$mode}  +  $target->[635]{$mode}  +  $target->[636]{$mode}  +  $target->[637]{$mode}  +  $target->[638]{$mode}  +  $target->[639]{$mode}  +  $target->[640]{$mode}  +  $target->[641]{$mode}  +  $target->[642]{$mode}  +  $target->[643]{$mode}  +  $target->[644]{$mode}  +  $target->[645]{$mode}  +  $target->[646]{$mode}  +  $target->[647]{$mode}  +  $target->[648]{$mode}  +  $target->[649]{$mode}  +  $target->[650]{$mode}  +  $target->[651]{$mode}  +  $target->[652]{$mode}  +  $target->[653]{$mode}  +  $target->[654]{$mode}  +  $target->[655]{$mode}  +  $target->[656]{$mode}  +  $target->[657]{$mode}  +  $target->[658]{$mode}  +  $target->[659]{$mode}  +  $target->[660]{$mode}  +  $target->[661]{$mode}  +  $target->[662]{$mode}  +  $target->[663]{$mode}  +  $target->[664]{$mode}  +  $target->[665]{$mode}  +  $target->[666]{$mode}  +  $target->[667]{$mode}  +  $target->[668]{$mode}  +  $target->[669]{$mode}  +  $target->[670]{$mode}  +  $target->[671]{$mode}  +  $target->[672]{$mode}  +  $target->[673]{$mode}  +  $target->[674]{$mode}  +  $target->[675]{$mode}  +  $target->[676]{$mode}  +  $target->[677]{$mode}  +  $target->[678]{$mode}  +  $target->[679]{$mode}  +  $target->[680]{$mode}  +  $target->[681]{$mode}  +  $target->[682]{$mode}  +  $target->[683]{$mode}  +  $target->[684]{$mode} ' (warn): Use of uninitialized value in pattern match (m//) at /usr/share/perl/5.26/Math/BigFloat.pm line 1551.

Any workaround on this issue?

Thank you,
--
Andrei DINU
Technical Manager
Digital IT Consulting
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