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7620861 |
Method and apparatus for testing integrated circuits by employing test vector patterns that satisfy passband requirements imposed by communication channels
Embodiments of an apparatus and method for high-speed testing of a device under test are described herein, where the device under test is coupled to a tester via a limited passband communication...
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7620854 |
Method and system for handling input/output (I/O) errors
A method and system for handling errors on an Input/Output (I/O) link of a system is provided. The link is being shared by a plurality of devices of the system; each device may be shared by one or...
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7620851 |
Fault injection methods and apparatus
A method of testing a target in a network by fault injection, includes: defining a transaction baseline; modifying at least one of an order and a structure of the transaction baseline to obtain a...
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7620840 |
Transactional flow management interrupt debug architecture
According to some embodiments, a first bus may be monitored, via a first debug gate, the first bus being to exchange data between a first processing system and a second processing system. A second...
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7613955 |
Collecting debug data from a wireless device
A data processing apparatus having a memory for storing program code and a processor for processing the program code, the data processing apparatus comprising: a radio module to communicatively...
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7613949 |
Fault isolation system and method
A mechanism for isolating failures in a digital system is provided. In one embodiment, a fault table is defined for each unit in the system. Related faults are ordered within the table to reflect...
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7613105 |
Methods and systems for removing data inconsistencies for a network simulation
A network troubleshooting framework is described. In an implementation, a method includes forming a plurality of reports by a plurality of nodes in a network, wherein each of the reports is formed...
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7610526 |
On-chip circuitry for bus validation
Systems, methodologies, media, and other embodiments associated with validating a bus are described. One exemplary system embodiment includes an integrated circuit operably connectable to a bus,...
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7607049 |
Apparatus and method for detecting network failure location
A L2 loop failure location generated in any one of a plurality of search target apparatuses disposed in network is detected in a short time. A network failure location detecting apparatus executes...
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7603588 |
Two-stage detection of trace identifier mismatches
Methods and apparatus for processing a trace mismatch by using hardware to detect a change in a trace string and software to perform string analysis are disclosed. In accordance with one aspect of...
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7603507 |
Storage system and method of storage system path control
The present invention uses memory resources effectively and connects each storage device by a plurality of paths in a switchable manner, thus improving reliability and ease of use, by virtualizing...
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7600157 |
Recovering from a failed I/O controller in an information handling system
An information handling system includes first and second input/output (I/O) controllers, a detector for detecting an I/O controller failure, and an I/O recovery unit. The first I/O controller...
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7600156 |
System, method, and device including built-in self tests for communication bus device
A method, device, and system including built-in self tests for a communication bus device is disclosed. In one form, a method of testing a device operable to be coupled to a communication port an...
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7596724 |
Quiescence for retry messages on bidirectional communications interface
A mechanism to obtain a quiescence state for a component coupled to a bidirectional communications interface is obtained. A transition to quiescence may be may by activating a first defeature in...
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7596723 |
Apparatus, system, and method for selective cross communications between autonomous storage modules
An apparatus, system, and method are disclosed for selective cross communications between autonomous storage modules. A RAID controller communicates through a first cascading communications loop...
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7596715 |
Computer server with built-in modular networking component
A network-configured computing device providing services to one or more other computing devices. A circuit board contained within a housing of the computing device includes a plurality of...
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7596687 |
System and method for information handling system interoperable firmware storage
Interoperable firmware for an information handling system supports embedded controller and chipset operations from a common SPI flash ROM. The embedded controller is disposed between the chipset...
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7594144 |
Handling fatal computer hardware errors
Methods and apparatus are disclosed for handling fatal computer hardware errors on a computer that include halting data processing operations of the computer upon occurrence of a fatal hardware...
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7590701 |
Apparatus and method for generating alert messages in a message exchange network
A method of operating a message exchange network is described. In one embodiment, the method includes coordinating a message generated by a message sender with a message recipient. The method also...
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7587202 |
Method for conducting digital interface and baseband circuitry tests using digital loopback
In a mobile device having a primary baseband circuit and a secondary baseband circuit and an interface between the primary baseband circuit and a secondary baseband circuit, a method for testing...
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7584380 |
Method and system for debugging flow control based designs
Certain embodiments for debugging mechanism for flow control based designs may comprise a debugging interface module between a transmitter and a receiver, all integrated on a chip. At least one...
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7583604 |
Probe for measuring quality-of-service parameters in a telecommunication network
A measuring probe, able to access data flows composed of packets transmitted along a path formed by a plurality of equipment in a telecommunication network, having a measurement module to perform...
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7583587 |
Fault detection and diagnosis
A network troubleshooting framework is described. In an implementation, a method includes detecting discrepancy in operation of a network by supplying data that describes the network to a network...
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7581143 |
Peripheral component interconnect bus test system and method therefor
A peripheral component interconnect (PCI) bus test system and method therefor, that is applied in a PCI test card. The PCI test card includes a static random-access-memory (SRAM). In the method,...
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7581048 |
Method and apparatus for providing continuous communication between computers
A system and method for providing continuous availability of information that is normally transported via a network is provided. The system and method uses a process that is used with each computer...
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7580998 |
Method for describing problems in a telecommunications network
A method for describing problems in a telecommunications network is provided, wherein the alarms for a network service displayed on an operator's console are presented in the order of the path...
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7577877 |
Mechanisms to prevent undesirable bus behavior
A system includes proxy logic which detects situations which, unless action is taken, would result in undesirable bus behavior. In one embodiment, the target device of a bus cycle includes proxy...
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7577866 |
Techniques for fault tolerant data storage
Described are techniques for performing data recovery processing for two failed devices included in a set of devices. It is determined whether the two failed devices are each one of the data...
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7574630 |
Method and system for reliable access of expander state information in highly available storage devices
An apparatus and method for detecting an interface failure of a first interface of a first expander of a storage system, and retrieving state information from a second expander to the first...
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7574629 |
Method and device for switching between agents
In some embodiments, a system for communication between agents in a point-to-point interconnection system includes at least one initiator agent capable of dispatching at least one message destined...
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7571345 |
Bisectional fault detection system
An apparatus and program product logically divide a group of nodes and causes node pairs comprising a node from each section to communicate. Results from the communications may be analyzed to...
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7568121 |
Recovery from failure in data storage systems
Provided are a method, system, and article of manufacture, wherein a command is received at a first computational device coupled to a first adapter that is capable of allowing access to a data...
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7568054 |
Duplicate synchronization system and method of operating duplicate synchronization system
The duplicate synchronization system has: a first system; and a second system operating in synchronization with the first system. The first and the second systems are connected to each other. The...
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7565568 |
Method and system for virtualization switch failover
A method and system for virtualization switch failover is disclosed. According one embodiment of the present invention, a failure of a first virtualization device within storage a area network...
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7564845 |
Method for permanent redundant transmission of data messages in communication systems
The method carrying out permanent redundant transmission of data messages in disjunctive paths, such that circulating data messages can be reliably identified and destroyed. The method includes...
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7562253 |
Segmented protection system and method
A segmented protection system and method. The invention comprises a plurality of Processing Modules arranged in series along a Protection Bus. A number of Protection Groups may be formed along the...
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7555680 |
Distributed control apparatus
A distributed control system includes a plurality of PLCs which are connected together via active and backup transmission lines which are opposite in transmission direction. Each of the PLCs...
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7555675 |
Methods, systems and computer program products for providing an internet protocol based device health check
Methods, systems and computer program products provide an IP based device health check. The methods include initiating a health check to be performed at a customer location. The results of the...
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7555544 |
Implementation of affinities in high availability computer system clusters
A system includes a cluster having a plurality of nodes wherein at least one of the nodes is a candidate node, a plurality of resource groups, a clustering mechanism executing on the cluster...
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7555499 |
Diagnosing database performance problems using a plurality of wait classes
A method and apparatus for diagnosing database performance problems using a plurality of wait classes is provided. A set of statistical data that describes current activity within a database system...
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7552362 |
Bridge, error notification method therefor and system
In a bridge which connects between an expansion bus of a primary system and that of a secondary system, a local error such as an expansion bus error and CPU hang-up which occurs in the secondary...
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7552355 |
System for providing an alternative communication path in a SAS cluster
The present invention is directed to a system and method for supporting an alternative peer-to-peer communication over a network in a SAS cluster when a node cannot communicate with another node...
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7549096 |
Methods and systems for tracking and playing back errors in a communications network
In accordance with the invention, a Logging Administration Maintenance and Billing Entity (LAMB) is interfaced to a network transport bus for logging network traffic, for error tracking, error...
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7549091 |
Hypertransport exception detection and processing
In accordance with the present invention a system for detecting transaction errors in a system comprising a plurality of data processing devices using a common system interconnect bus, comprises a...
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7549090 |
Autonomic recovery from hardware errors in an input/output fabric
An apparatus, program product and method propagate errors detected in an IO fabric element from an IO fabric that is used to couple a plurality of endpoint IO resources to processing elements in a...
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7543191 |
Method and apparatus for isolating bus failure
The embodiments of the present invention disclose a method for isolating a bus failure, which includes: acquiring, from a Compact PCI bus, an address of a target board being accessed; counting...
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7543190 |
System and method for detecting false positive information handling system device connection errors
False positive error warnings associated with hot insertion or removal of a device with an SAS link are filtered by comparing the timing of error warnings with the timing of hot insertion or...
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7543044 |
Automatic configuration system
An automatic configuration system for automatically configuring a connecting interface of a node device in a network is provided. The connecting interface of the node device includes a first pair...
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7539800 |
System, method and storage medium for providing segment level sparing
A memory subsystem that includes segment level sparing. The memory subsystem includes a cascaded interconnect system with segment level sparing. The cascaded interconnect system includes two or...
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7536606 |
Error detection in web services systems
Methods and systems are provided for automatically generating an accurate model of communications processes between disparate computing systems that may be analyzed in an efficient manner for error...
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