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Webcast-Catalyst9k
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Fifo overrun on descriptor block2

Hi guys,

i want to ask something about log that i got recently on one of my router which i monitor,the log is

65986: 164409: Sep 18 09:58:43.295 UTC:%HWIC_HOST-1-RX_OVERRUN_ERROR: HWIC_HOST: Host termination logic experience FIFO overrun for Interface Descriptor Block 0x2BC72750

I don't know what is this log talking about

This router got 3 interfaces

G0/0 -> Facing toward ISP (running Class-based queuing strategy)

G0/1 -> Facing toward Backup Router (running FIFO queuing strategy)

G0/2 -> Facing the Branch LAN (running FIFO queuing strategy)

all of 3 interfaces got 0 inputs error,0 CRC,0 Frame,0 overrun and 0 ignored,i don't know why i keep getting this message,from my perspective the network is running properly,can you guys help me to idetify what's likely the root of this problem and how to solve it,thanks.

1 REPLY
Green

Fifo overrun on descriptor block2

Felix,

From the error message decoder tool.

Looks like you need to raise TAC case as this is probably an IOS bug.

1.

%HWIC_HOST-1-RX_OVERRUN_ERROR:

HWIC_HOST: Host termination logic experienced a Receive FIFO overrun for Interface Descriptor Block [hex]

The host termination logic has encountered a FIFO overrun during a receive operation for the interface specified by the IDB. This condition indicates a software error.

Recommended Action: Copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the issue using the tools and utilities provided at http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying information. Search for resolved software issues using the Bug Toolkit at https://tools.cisco.com/bugsearch/?referring_site=emd. If you still require assistance, open a case with the Technical Assistance Center via the Internet at https://tools.cisco.com/ServiceRequestTool/scm/mgmt/case, or contact your Cisco technical support representative and provide the representative with the information you have gathered. Attach the following information to your case in nonzipped, plain-text (.txt) format: the output of the show logging and show tech-support commands and your pertinent troubleshooting logs.

Related documents- No specific documents apply to this error message.

Regards,
Alex.
Please rate useful posts.

Regards, Alex. Please rate useful posts.
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