[OpenIndiana-discuss] intermittent network? (rge device)

[Mike La Spina]

I have one system running an rge card. No issues at all, it's running 2
years now with 134 through 151a4. It a storage server and it's running
light to medium load. 

What else do you have configured? 
NWAM? 
Layer 2 dladm elements? 
dmesg output? 
Does snoop reveal anything when it goes unresponsive?
Shared irqs? echo ::interrupts | pfexec mdb -k
pfexec intrstat seem normal during the event?

-----Original Message-----
From: ramble1035 @dslextreme.com [mailto:ramble1035 at dslextreme.com] 
Sent: Sunday, June 17, 2012 3:16 PM
To: Discussion list for OpenIndiana
Subject: [OpenIndiana-discuss] intermittent network? (rge device)

I've got a small PC with two rge networking interfaces (one on the
motherboard, one on a separate pcie card).  I'm seeing some
intermittently flakey behavior, where the network just stops talking.
Looking at it seems to indicate things are alive and well, and my
internal LAN switch shows a hardware connection but no activity.

This last episode, I experienced:
a completely unresponsive local net connection on rge0 ifconfig showed
correct values (possibly left over from when it *was* working) ping out
got nothing ping in got request timeouts and no route to host errors the
other network interface worked fine netstat -r  produced (eventually) a
routing table with a correct default route, but it took a while.

a reboot produced a "failure to plumb rge0" message on the console

a physical power cycle brought everything up just fine.  It's all
currently working as expected.

Has anyone experienced intermittent network outages?  Is it possible
there are some issues with the rge driver?  Are there any things I can
try to identify an error condition and/or reset the network by hand?

Thanks -

-- C

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