• 76 Downloads • Abstract The reliability of hardware devices is of critical importance to the overall stability of operating systems. Drivers assume that hardware devices always work normally, but this assumption may cause drivers or systems to crash, since hardware device failures occur frequently. This can lead to incorrect values for drivers and cause them to malfunction. Transformers Prime In Hindi Full Episodes.
This paper proposes an advanced graph model for tainted variable tracking. The proposed approach can efficiently find variables, which are related to values read from hardware devices. It can also be used for variable assignment tracking, which is of great benefit in improving the reliability of hardware devices and drivers.
Fault Resilient Drivers For Longhorn Server. This morning, Wired magazine published an early look into Apple’s brand new spaceship campus. Fault resilient drivers for Longhorn server. Over a dozen device drivers. Fault resilient drivers for Longhorn. For Longhorn Server. Dell Fault Resilient.
Download Presentation PowerPoint Slideshow about 'Fault Resilient Drivers For Longhorn Server' - finola An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Gujarati Garba Raas Dandiya Mp3 Songs Free Download. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. Don’t Stall The OS • Use KeStallExecutionProcessor() sparingly • Avoid doing so within a loop • Do not call KeDelayExecutionThread() • Unless a guaranteed private thread is used • Never busywait • State transitions should be event driven byinterrupts or periodic polling • Never hold locks or block interrupts for long periods • Be careful of explicit and implicit synchronization objects • Explicit – events, semaphores, mutexes, spinlocks, etc.
• Implicit • Reference counts in data structures • Worker threads if they are part of a fixed pool. • All code that accesses the hardware should be changed to check for hardware failure by checking for returned data of all -1s – if present, assume the HW is ‘gone’ • Error recovery should clean up all the pending requests to the storage adapter with NO_HBA status. • If the storage adapter indicates the link is down, call ScsiPortNotification to initiate a timely rescan to detect the lost devices.
The same is done when processing link up indications. • If this is not done, serious customer data corruptionissues have occurred • When handling bus reset requests, it is necessary to call ScsiPortNotification(NextLuRequest, ). • ‘Surprise’ removal of power from Peripheral Component Interconnect (PCI) slot • Done by the test without informing or involving the driver • ‘Hide’ the configuration space for the PCI adapter • The fault resilience test will return all ‘Fs’ to the driverwhen scanned • Reprogram the Advanced Programmable Interrupt Controller (APIC) to stop interrupts from the adapter • Again, done by the test without informing or involving the driver • Note these tests require a Server class system, especially for APIC ‘kill’ method. • Community Sites • • List of Newsgroups • • Attend a free chat or webcast • • • Locate a local user group(s) • • Non-Microsoft Community Sites • http://www.microsoft.com/communities/related/default.mspx.