rrd-reading process crashes
We have just installed NAV 3.5.4 om a host running 7.1-RELEASE-p5 amd64. When we try to reach URLs like <https://nav.uit.no/rrd/ds=211476/> the page is empty and httpd-error says child pid 48021 exit signal Segmentation fault (11) Where do I start debugging? Which process is seg-faulting? --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo@uit.no (Univ. of Tromsø, Norway)
On Tue, 02 Jun 2009 11:10:40 +0200 Ingeborg Hellemo <Ingeborg.Hellemo@uit.no> wrote:
We have just installed NAV 3.5.4 om a host running 7.1-RELEASE-p5 amd64.
When we try to reach URLs like <https://nav.uit.no/rrd/ds=211476/> the page is empty and httpd-error says
child pid 48021 exit signal Segmentation fault (11)
Where do I start debugging? Which process is seg-faulting?
NAV's web interface doesn't spawn any child processes AFAIK, so this must be the httpd child process itself. The page in question will utilize librrd, which could be the culprit. I would try to strace (or is truss the preferred tool on FreeBSD?) the httpd processes. -- mvh Morten Brekkevold UNINETT
morten.brekkevold@uninett.no said:
The page in question will utilize librrd, which could be the culprit. I would try to strace (or is truss the preferred tool on FreeBSD?) the httpd processes.
The cause of the crash was that I had installed both the python-rrdtool library distributed together with rrdtool 1.3.x and the rather antique py-rrdtool package. --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo@uit.no (Univ. of Tromsø, Norway)
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Morten Brekkevold