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RSyslog core dumped in Xen Server 8


Andre Ferreira

Question

I'm having a problem with RSyslog in XenServer 8.

 

Logs are not being generated and RSyslog is Segfaulting. After some digging, I found the reason: Xen is adding the following lines to /etc/rsyslog.d/xenserver.conf,

$IMUXSockRateLimitInterval 0
$SystemLogRateLimitInterval 0

*.* ~

 

If I comment them out, RSyslog starts and works fine. But if I change the location of the log in XenCenter (from local to remote or vice-versa), the last line is added again. The problem is that '~' action is deprecated and no longer supported (see https://bugzilla.redhat.com/show_bug.cgi?id=1057806 and https://www.rsyslog.com/doc/v8-stable/compatibility/v7compatibility.html, among others). Xen should be using the 'stop' (*.* stop) action instead. Since it's using the deprecated command, rsyslog is segfaulting.

 

Did somebody else see this? Any suggestions?

 

Thank you,

 

Roberto Greiner

 

PS:

I'm running XenServer 8.0 upgraded from XenServer 6.5, with patches installed up to XS80E006 in a Pool with 3 Dell servers, ranging from 20GB RAM do 48GB. All VMs are in SR, some using iSCSI, some NFS.

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