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Cisco Bug: CSCvh63633 - High CPU due to "devb-umass" process

Last Modified

Sep 16, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

The process "devb-umass" is consuming  a lot CPU.
(example output)
sh proc cpu | e 0%
PID 1Min 5Min 15Min Process
53287 1% 1% 1% io-usb
53292 1% 1% 1% eth_server
65554 33% 16% 24% devb-umass <<<<<<<<<<<<<<<
237679 1% 1% 1% fiarsp
598375 1% 1% 1% bgp

The problem persist after a reload.

On RSP2 (A9K-RSP-4G) when Cisco Prime software is being used to query running config of the router, there are some stale files left behind.
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