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Cisco Bug: CSCuj63146 - MCard gets false OOB lock with Tivo XL4 DVR

Last Modified

Jun 22, 2020

Products (1)

  • CableCARDs

Known Affected Releases

v1.5.2_1401

Description (partial)

Symptom:
During initial staging of factory card that has never signed on to the system previously, Mcard will sometimes fail to lock to the correct OOB frequency. It is also seen to get into condition where the hunt frequency does not change, but remains stuck repeatedly requesting the same incorrect frequency.

Once a card has locked and completed DAVIC sign-on, it stores the frequency in NVM, and on subsequent restarts, it will request this frequency first and every 8 frequencies, and so the lock issue is not seen since the card acquires lock directly without hunting.

Conditions:
Unstaged card (never completed DAVIC sign on at the OOB frequency previously) in a Tivo XL4 Series 4 DVR, model TCD758250
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