I was able to just replicate the issue by starting nprobe up and stopping after a few seconds. I did this 6 times and then it failed again.
Restarting zbalance_ipc did not correct the issue. On Wed, Mar 16, 2016 at 4:02 PM, Alfredo Cardigliano <[email protected]> wrote: > Hi Jeremy > what do you mean with “occasionally” exactly? Is it just the "first time" > perhaps? > It could be nprobe does not detaches the queue correctly on shutdown > (crash or similar), > and it is no more able to reattach to the same queue until you restart > zbalance_ipc. > Could this be the case? > > Alfredo > > > On 16 Mar 2016, at 20:48, Jeremy Ashton <[email protected]> > wrote: > > > > I currently have zbalance_ipc configured with two instances per cluster > id. > > > > Normally, one would access the virtual device as “zc:10@0” and “zc:10@1 > ”. > > > > I have n2disk capturing off of zc:10@0 instance. Unfortunately, when > trying to run nprobe against zc:10@1 instance it only occasionally > works. When it fails, I get the following error: > > > > 16/Mar/2016 19:42:24 [nprobe.c:5348] Using packet capture length 9000 > > 16/Mar/2016 19:42:24 [util.c:4344] ERROR: Cannot get hw addr for zc:10@1 > > 16/Mar/2016 19:42:24 [pro/pf_ring.c:356] Initializing PF_RING socket on > device zc:10@1.. > > 16/Mar/2016 19:42:24 [nprobe.c:5424] ERROR: Unable to open interface > zc:10@1. > > 16/Mar/2016 19:42:24 [nprobe.c:7080] ERROR: Unable to open interface > zc:10@1 (zc:10@1: No such device exists (SIOCGIFHWADDR: No such device)) > > 16/Mar/2016 19:42:24 [nprobe.c:7082] ERROR: Try using -i none if you do > not want capture from a NIC > > > > The fix seems to be a complete restart of the pf_ring service. > > > > Any advice on what to look at next? > > > > > > _______________________________________________ > > Ntop-misc mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc >
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