DE69608124D1 - Prozessorunabhängige fehlerprüfungsanordnung - Google Patents
Prozessorunabhängige fehlerprüfungsanordnungInfo
- Publication number
- DE69608124D1 DE69608124D1 DE69608124T DE69608124T DE69608124D1 DE 69608124 D1 DE69608124 D1 DE 69608124D1 DE 69608124 T DE69608124 T DE 69608124T DE 69608124 T DE69608124 T DE 69608124T DE 69608124 D1 DE69608124 D1 DE 69608124D1
- Authority
- DE
- Germany
- Prior art keywords
- processor
- processors
- independent
- bus
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1629—Error detection by comparing the output of redundant processing systems
- G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
- G06F11/1679—Temporal synchronisation or re-synchronisation of redundant processing components at clock signal level
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57408895A | 1995-12-18 | 1995-12-18 | |
PCT/EP1996/005548 WO1997022929A1 (en) | 1995-12-18 | 1996-12-12 | Processor independent error checking arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69608124D1 true DE69608124D1 (de) | 2000-06-08 |
DE69608124T2 DE69608124T2 (de) | 2001-04-26 |
Family
ID=24294648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69608124T Expired - Fee Related DE69608124T2 (de) | 1995-12-18 | 1996-12-12 | Prozessorunabhängige fehlerprüfungsanordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5764660A (de) |
EP (1) | EP0868692B1 (de) |
AU (1) | AU1270497A (de) |
CA (1) | CA2240932C (de) |
DE (1) | DE69608124T2 (de) |
WO (1) | WO1997022929A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6256753B1 (en) * | 1998-06-30 | 2001-07-03 | Sun Microsystems, Inc. | Bus error handling in a computer system |
SE515461C2 (sv) * | 1998-10-05 | 2001-08-06 | Ericsson Telefon Ab L M | Metod och arrangemang för minneshantering |
DE10036598A1 (de) * | 2000-07-27 | 2002-02-14 | Infineon Technologies Ag | Anordnung zur Überwachung des ordnungsgemäßen Betriebes von die selben oder einander entsprechende Aktionen ausführenden Komponenten eines elektrischen Systems |
US7017073B2 (en) * | 2001-02-28 | 2006-03-21 | International Business Machines Corporation | Method and apparatus for fault-tolerance via dual thread crosschecking |
US6920581B2 (en) * | 2002-01-02 | 2005-07-19 | Intel Corporation | Method and apparatus for functional redundancy check mode recovery |
US7237144B2 (en) * | 2004-04-06 | 2007-06-26 | Hewlett-Packard Development Company, L.P. | Off-chip lockstep checking |
US7502958B2 (en) * | 2004-10-25 | 2009-03-10 | Hewlett-Packard Development Company, L.P. | System and method for providing firmware recoverable lockstep protection |
US7627781B2 (en) * | 2004-10-25 | 2009-12-01 | Hewlett-Packard Development Company, L.P. | System and method for establishing a spare processor for recovering from loss of lockstep in a boot processor |
US7818614B2 (en) * | 2004-10-25 | 2010-10-19 | Hewlett-Packard Development Company, L.P. | System and method for reintroducing a processor module to an operating system after lockstep recovery |
US20060107116A1 (en) * | 2004-10-25 | 2006-05-18 | Michaelis Scott L | System and method for reestablishing lockstep for a processor module for which loss of lockstep is detected |
US7356733B2 (en) * | 2004-10-25 | 2008-04-08 | Hewlett-Packard Development Company, L.P. | System and method for system firmware causing an operating system to idle a processor |
US7366948B2 (en) * | 2004-10-25 | 2008-04-29 | Hewlett-Packard Development Company, L.P. | System and method for maintaining in a multi-processor system a spare processor that is in lockstep for use in recovering from loss of lockstep for another processor |
US7308566B2 (en) * | 2004-10-25 | 2007-12-11 | Hewlett-Packard Development Company, L.P. | System and method for configuring lockstep mode of a processor module |
US7516359B2 (en) * | 2004-10-25 | 2009-04-07 | Hewlett-Packard Development Company, L.P. | System and method for using information relating to a detected loss of lockstep for determining a responsive action |
US7624302B2 (en) | 2004-10-25 | 2009-11-24 | Hewlett-Packard Development Company, L.P. | System and method for switching the role of boot processor to a spare processor responsive to detection of loss of lockstep in a boot processor |
DE102004058288A1 (de) * | 2004-12-02 | 2006-06-08 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Behebung von Fehlern bei einem Prozessor mit zwei Ausführungseinheiten |
US7747932B2 (en) * | 2005-06-30 | 2010-06-29 | Intel Corporation | Reducing the uncorrectable error rate in a lockstepped dual-modular redundancy system |
DE102006036384A1 (de) * | 2005-08-11 | 2007-03-29 | Continental Teves Ag & Co. Ohg | Mikroprozessorsystem zur Steuerung bzw. Regelung von zumindest zum Teil sicherheitskritischen Prozessen |
US8549389B2 (en) * | 2011-05-24 | 2013-10-01 | Honeywell International Inc. | Systems and methods for 1553 bus operation self checking |
CN115167933B (zh) * | 2022-09-08 | 2022-12-02 | 深圳市恒运昌真空技术有限公司 | 一种双处理器设备及其控制方法和处理器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049957A (en) * | 1971-06-23 | 1977-09-20 | Hitachi, Ltd. | Dual computer system |
IT1014277B (it) * | 1974-06-03 | 1977-04-20 | Cselt Centro Studi Lab Telecom | Sistema di controllo di elaboratori di processo operanti in parallelo |
US4456952A (en) * | 1977-03-17 | 1984-06-26 | Honeywell Information Systems Inc. | Data processing system having redundant control processors for fault detection |
GB2019622B (en) * | 1978-04-14 | 1982-04-07 | Lucas Industries Ltd | Digital computing apparatus |
US4633039A (en) * | 1980-12-29 | 1986-12-30 | Gte Communication Systems Corp. | Master-slave microprocessor control circuit |
JPS58221453A (ja) * | 1982-06-17 | 1983-12-23 | Toshiba Corp | 多重系情報処理装置 |
US4907228A (en) * | 1987-09-04 | 1990-03-06 | Digital Equipment Corporation | Dual-rail processor with error checking at single rail interfaces |
EP0306211A3 (de) * | 1987-09-04 | 1990-09-26 | Digital Equipment Corporation | Synchronisiertes Doppelrechnersystem |
JPH0792764B2 (ja) * | 1988-05-25 | 1995-10-09 | 日本電気株式会社 | マイクロプロセッサ |
JPH05265790A (ja) * | 1992-03-19 | 1993-10-15 | Yokogawa Electric Corp | マイクロプロセッサ装置 |
US5434997A (en) * | 1992-10-02 | 1995-07-18 | Compaq Computer Corp. | Method and apparatus for testing and debugging a tightly coupled mirrored processing system |
-
1996
- 1996-12-12 AU AU12704/97A patent/AU1270497A/en not_active Abandoned
- 1996-12-12 CA CA002240932A patent/CA2240932C/en not_active Expired - Fee Related
- 1996-12-12 DE DE69608124T patent/DE69608124T2/de not_active Expired - Fee Related
- 1996-12-12 EP EP96943090A patent/EP0868692B1/de not_active Expired - Lifetime
- 1996-12-12 WO PCT/EP1996/005548 patent/WO1997022929A1/en active IP Right Grant
-
1997
- 1997-07-09 US US08/890,278 patent/US5764660A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69608124T2 (de) | 2001-04-26 |
WO1997022929A1 (en) | 1997-06-26 |
AU1270497A (en) | 1997-07-14 |
CA2240932C (en) | 2002-03-26 |
US5764660A (en) | 1998-06-09 |
CA2240932A1 (en) | 1997-06-26 |
EP0868692A1 (de) | 1998-10-07 |
EP0868692B1 (de) | 2000-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |