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Cisco Bug: CSCtb47692 - VSS: Switch crashed due to EBUS_SEQ_ERROR

Last Modified

Feb 12, 2018

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

After SSO or supervisor failover, EBUS_SEQ_ERROR may be seen and then in some scenarios the device gets reset.
This could be triggered if the fabric mode of the newly brought-up line card is different than the default mode.
Also other messages may be seen, for example:

This happens only in VSS setup following a SSO failover. The problem can be seen during OIR of a new linecard.
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