Hi,
I have a new (to me) and very strange network problem.
The IPV4 is stable, but from time to time the interface loses it's IPV6
global unicast.
The ULA and link local are still there.
After some minutes the global unicast magically reappears. Restarting
the network does work too.
The global unicast address is assigned by router advertisment.
This did not happens some months ago. Sadly I have no clue when this
problem exactly showed up.
cu romal
Am 10.12.13 23:47, schrieb Chuck Forsberg WA7KGX:
On 12/10/2013 10:27 AM, flashl@xxxxxxxxxxxxxx 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@xxxxxxxx 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.
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