The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 07, 2022

Filed:

May. 12, 2020
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Gaurav Gupta, Sunnyvale, CA (US);

Sachin Naik, Fremont, CA (US);

Stefan Martin Schaeckeler, Santa Clara, CA (US);

Surajit Ghoshal, Roseville, CA (US);

Titian Lau, San Francisco, CA (US);

Assignee:

CISCO TECHNOLOGY, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/07 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/0757 (2013.01); G06F 11/0706 (2013.01); G06F 11/0772 (2013.01); G06F 11/0778 (2013.01); G06F 11/0787 (2013.01); G06F 11/1441 (2013.01); G06F 2201/805 (2013.01);
Abstract

According to some embodiments, a system comprises a computer system comprising a processing unit, an interrupt controller, an internal watchdog, and a computer system reset interface. The system further comprises a watchdog controller comprising a secondary watchdog timer. Expiry of the computer system internal watchdog triggers the interrupt controller to cause the processing unit to collect debug information and triggers the watchdog controller to start a secondary watchdog timer. Expiry of the secondary watchdog timer triggers the watchdog controller to reset the computer system.


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