Heisenbug slightly ubstable?

Chuck Forsberg WA7KGX caf at omen.com
Tue Dec 10 22:47:37 UTC 2013


On 12/10/2013 10:27 AM, flashl at dailybrood.com wrote:
> On 2013-12-10 12:12, Chuck Forsberg WA7KGX wrote:
>> As some of you know, omen.com has been running on Heisenbug
>> since November.  Lately its stability has left a bit to be desired.
>> VNC sessions have terminated for no apparent reason.  A number
>> of kernel OOPSes have been detected but the reporting app
>> refuses to send information to Bugzilla because the kernel is
>> somehow "tainted".
>>
>> Last night the local net interface stopped working.  Machines
>> on the local net could still ping each other but Heisenbug could
>> not talk to any of them.   I tried toggling the port with Network 
>> Manager
>> to no avail.  Restarting Network Manager didn't help either.
>> A reboot was needed to put things back in order.
>>
>> -- 
>>      Chuck Forsberg WA7KGX   caf at omen.com   www.omen.com
>> Developer of Industrial ZMODEM(Tm) for Embedded Applications
>>   Omen Technology Inc      "The High Reliability Software"
>> 10255 NW Old Cornelius Pass Portland OR 97231   503-614-0430
>
> Hi Chuck,
>
> I have no answers, just a few questions for comparison.  (1) Are you 
> seeing "IRQ nobody cared" messages on local interfaces? (2) Are your 
> interfaces using RealTek eth controllers? And, finally, have you done 
> any network performance tuning? i.e. tweaking parms like 
> net.core.rmem_max?
>
> Thanks
> Flash
1:  No such messages in any file in /var/log
2.  The local internet is interfaced with an Intel Gigabit 82579V on the 
motherboard.
The only RealTek chip on the motherboard is the audio controller.
3.  I have not performed any network tuning or any overclocking on this 
system.

-- 
      Chuck Forsberg WA7KGX   caf at omen.com   www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
   Omen Technology Inc      "The High Reliability Software"
10255 NW Old Cornelius Pass Portland OR 97231   503-614-0430



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