[nsp] Cisco 678 'Rx Dma Overrun Errors' ?

From: Dan Hollis (goemon@anime.net)
Date: Fri Aug 03 2001 - 15:45:49 EDT


I'm getting a lot of 'Rx Dma Overrun Errors' on our Cisco 678. We seem to
get a couple of them every few seconds. What would cause them? I am
suspecting that the excessive dma overrun errors is leading to the 678
locking up every few days.

cbos#sh ver

Cisco Broadband Operating System
CBOS (tm) 678 Software (C678-I-M), Version v2.4.2 - Release Software
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Apr 8 2001 15:47:46
CAP firmware version C.33
NVRAM image at 0x10315200

cbos#sh int eth0
eth0 Ethernet HWaddr 00:02:FD:02:69:BD
      Link: active Speed: 100 Duplex: Full
      IP address xx.xxx.x.xx Mask 255.255.255.248
      MTU 1500 Metric 0
      RX packets 16596026 errors 87426
      TX packets 14275776 errors 332
      IP Port Enabled

cbos#stats eth0
Ethernet Port 0 Statistics
# of Good Tx: 14232968 # of Good Rcv'd: 16547673
# of Tx Abort Excess Collisions: 0 # of Tx Late Collisions: 0
# of Tx DMA Underrun: 0 # of Tx Lost CRS: 332
# of Tx Okay but Deferred: 0 # of Tx One Retry: 0
# of Tx More Than One Retry: 0 # of Tx Total Retries: 0
# of Rx CRC Errors: 0 # of Rx Alignment Errors: 0
# of Rx Resource Errors: 0 # of Rx Dma Overrun Errors: 87426
                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
# of Rx CDT Frames: 0 # of Rx Runt Errors: 0

-Dan

-- 
[-] Omae no subete no kichi wa ore no mono da. [-]



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