Odd network issues on ZFS based NFS server

[Anders Nordby]

Hi,

On Fri, Jun 11, 2010 at 10:58:05AM -0700, Pyun YongHyeon wrote:
>> Let me know if there's anything bge related I can try/test. It might
>> take a day or two or more. Customer is sort of getting annoyed by these
>> problems, so the room for testing is getting smaller. But of course I
>> want to help get a fix for this.
> Show me dmesg output to know which bge(4) controller you had. And
> show me output of "netstat -ndI bge0". Some bge(4) controllers
> supports detailed MAC counters and these are exported via sysctl.
> If your controller is one of these controller, you can check the
> statistics of controller with "sysctl dev.bge.0.stat" and post it
> if you can see them.

Since running on rue NIC I didn't retry bge again. But I did not reboot
since I had problems last time either, I just changed NIC from bge1 to
ue0. So I'm not sure if these numbers are interesting or if I should
retry using a bge NIC, but here goes:

anders at unixfile:~$ grep ^bge1 /var/run/dmesg.boot 
bge1: <HP NC7782 Gigabit Server Adapter, ASIC rev. 0x002100> mem
0xfdce0000-0xfdceffff irq 26 at device 1.1 on pci3
bge1: Ethernet address: 00:16:35:03:e6:3e
bge1: [ITHREAD]
anders at unixfile:~$ netstat -ndI bge1
Name    Mtu Network       Address              Ipkts Ierrs Idrop
Opkts Oerrs  Coll Drop
bge1*  1500 <Link#2>      00:16:35:03:e6:3e 21417404     0     0
20313076     0     0    0 
anders at unixfile:~$ sysctl dev.bge.1.stats
dev.bge.1.stats.FramesDroppedDueToFilters: 0
dev.bge.1.stats.DmaWriteQueueFull: 34
dev.bge.1.stats.DmaWriteHighPriQueueFull: 0
dev.bge.1.stats.NoMoreRxBDs: 0
dev.bge.1.stats.InputDiscards: 0
dev.bge.1.stats.InputErrors: 0
dev.bge.1.stats.RecvThresholdHit: 12086131
dev.bge.1.stats.DmaReadQueueFull: 957280
dev.bge.1.stats.DmaReadHighPriQueueFull: 4835
dev.bge.1.stats.SendDataCompQueueFull: 0
dev.bge.1.stats.RingSetSendProdIndex: 20515417
dev.bge.1.stats.RingStatusUpdate: 20492506
dev.bge.1.stats.Interrupts: 20492506
dev.bge.1.stats.AvoidedInterrupts: 0
dev.bge.1.stats.SendThresholdHit: 0
dev.bge.1.stats.rx.Octets: 0
dev.bge.1.stats.rx.Fragments: 0
dev.bge.1.stats.rx.UcastPkts: 0
dev.bge.1.stats.rx.MulticastPkts: 0
dev.bge.1.stats.rx.FCSErrors: 0
dev.bge.1.stats.rx.AlignmentErrors: 0
dev.bge.1.stats.rx.xonPauseFramesReceived: 0
dev.bge.1.stats.rx.xoffPauseFramesReceived: 0
dev.bge.1.stats.rx.ControlFramesReceived: 0
dev.bge.1.stats.rx.xoffStateEntered: 0
dev.bge.1.stats.rx.FramesTooLong: 0
dev.bge.1.stats.rx.Jabbers: 0
dev.bge.1.stats.rx.UndersizePkts: 0
dev.bge.1.stats.rx.inRangeLengthError: 0
dev.bge.1.stats.rx.outRangeLengthError: 0
dev.bge.1.stats.tx.Octets: 0
dev.bge.1.stats.tx.Collisions: 0
dev.bge.1.stats.tx.XonSent: 0
dev.bge.1.stats.tx.XoffSent: 0
dev.bge.1.stats.tx.flowControlDone: 0
dev.bge.1.stats.tx.InternalMacTransmitErrors: 0
dev.bge.1.stats.tx.SingleCollisionFrames: 0
dev.bge.1.stats.tx.MultipleCollisionFrames: 0
dev.bge.1.stats.tx.DeferredTransmissions: 0
dev.bge.1.stats.tx.ExcessiveCollisions: 0
dev.bge.1.stats.tx.LateCollisions: 0
dev.bge.1.stats.tx.UcastPkts: 0
dev.bge.1.stats.tx.MulticastPkts: 0
dev.bge.1.stats.tx.BroadcastPkts: 0
dev.bge.1.stats.tx.CarrierSenseErrors: 0
dev.bge.1.stats.tx.Discards: 0
dev.bge.1.stats.tx.Errors: 0

Regards,

-- 
Anders.