system locks up with vr driver on alix board
Ask Bjørn Hansen
ask at develooper.com
Tue Aug 16 18:07:53 UTC 2011
Over the weekend I upgraded a couple of NanoBSD based systems (on PC Engines Alix boards) from 7.4 to 8.2. The box is a small firewall and have been running stable for several years.
Since then the busy systems consistently lock up. I had a 'top -bS -s1' running and it stopped a couple hours before the system locked up after showing basically 100% interrupts for a few minutes. (Divided ~50/50 between the two "vr" interfaces that gets most of the traffic). Another terminal tailing /var/log/messages kept running for another hour or so.
An hour or two after the log stopped showing; the system stopped routing packets, but frustratingly kept sending CARP messages out so the secondary firewall didn't pick up the IP addresses to take over.
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