Random server crashes every few weeks (smp_invltlb: endless loop […] retrysmp_invltlb: ipi sent)

Stefan Unterweger 232.20711 at chiffre.aleturo.com
Sat Aug 6 17:49:31 PDT 2016

I stalled the update a bit because I wanted to make sure that the boot
problems were resolved first (our customers are already edgy; another
two-hour downtime just for booting would have been too much).

Given that 4.6 is now out, I’ve decided to take the plunge and do it.
Booting went without a fault (could be coincidence; I will see if the
problem is gone next time when I’ll re-add more storage), initial quick
stress tests went rather well.  As far as I can tell, I/O performance
has approximately doubled.

I have scheduled a few heavy stress tests for the upcoming weekend where
I will try to torture the system with everything I got, then I’ll report

Once again: Thanks BIG time for all the wonderful work that all of you
have put into Dragonfly, I really enjoy working with it.


* Matthew Dillon on Tue, Jul 26, 2016 at 06:03:03PM -0700:
> On this issue, we've made a bunch of fixes in just the last few days, you
> will definitely want to update to the latest master.  Things are looking a
> lot more stable now.  We are continuing to life test three server
> configurations this week to locate any remaining low-hanging fruit.
> -Matt

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