Hey All, I'm just starting with rsyslogd (transitioning from syslog-ng) and am working on getting a UDP collector set up. This machine will ultimately need to process ~10k messages/sec, but right now far, far fewer are being sent as I test.
The rsyslogd version is 8.11.0-0adiscon2trusty1 pulled from the Adiscon repo running under Ubuntu 14.04 kernel 3.13.0-45-generic running on baremetal. Originally I was running the same version under an Ubuntu 14.04 Xen VM but moved to a baremetal (different machine entirely) just to rule out virtualization with regard to the crashes I'm seeing. I'm finding that if I configure imudp with more than 1 thread, rsyslogd crashes. Upstart restarts it, and it crashes again after some short amount of time, repeat. At this point I have stripped down my config to something only slightly modified from the stock one but the crash persists. apport is catching the crashes and so far I've seen a variety of different types of backtraces, which I'm attaching. I'm also attaching my configuration. I can provide the full apport crash record if necessary. Note that I'm new to apport and am trying to generate backtraces with all the useful debugging symbols, but I think I haven't got this quite right yet. Possibly interesting is that if I run rsyslogd in debug mode, either using the legacy config options or -dn fro the command line, it does not crash. Any thoughts on this? I found similar looking crash reports on the web but they're all pretty old (years old). Apologies if attaching the crash and config information rather than including it inline is poor form, but it's so much text I figured attaching might be more manageable. Thanks. Andy
rsyslog-imupd-multithread-crashes.tgz
Description: GNU Zip compressed data
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