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- What is IRQL and why is it important? | Microsoft Community Hub
IRQL 2 is used for deferred procedure calls (DPC) and thread scheduling IRQL 2 is known as the DISPATCH_LEVEL When a processor is running at a given IRQL, interrupts at that IRQL and lower are blocked by the processor Therefore, a processor currently at DISPATCH_LEVEL can only be interrupted by a request from an IRQL greater than 2
- What exactly is IRQL_NOT_LESS_OR_EQUAL? - Super User
The IRQL_NOT_LESS_OR_EQUAL bug check has a value of 0x0000000A This indicates that Microsoft Windows or a kernel-mode driver accessed paged memory at an invalid address while at a raised interrupt request level (IRQL) IQL is a priority system of the kernel at some IRQL in kernel you can't access data which are stored in pagefile analyze the dmp and look if 3rd party code is involved if
- DPC WATCHDOG VIOLATION - how to identify the issue
DPC_WATCHDOG_VIOLATION (133) The DPC watchdog detected a prolonged run time at an IRQL of DISPATCH_LEVEL or above Arguments: Arg1: 0000000000000001, The system cumulatively spent an extended period of time at DISPATCH_LEVEL or above
- The Basics of Mutexes and Spin Locks | Microsoft Community Hub
Code that runs at IRQL < DISPATCH_LEVEL acquires and releases the lock by calling two routines (KeAcquireSpinLock and KeReleaseSpinLock) These routines raise the IRQL prior to acquiring the lock and lower the IRQL when the lock is released Queued spin lock: A queued spin lock is a variation on the ordinary spin lock
- How do I see change the IRQ(L) of my device? - Super User
On windows that shows the IRQ associated with the device, not the IRQL that the OP asked for I don't know enough about linux to be sure but I'm guessing it also shows the IRQ not IRQL
- Three System BSODs ? | Microsoft Community Hub
The three BSODs are: KMODE_EXCEPTION_NOT_HANDLED BSOD which was caused by tcpip sys+35914, a DRIVER_IRQL_NOT_LESS_OR_EQUAL BSOD caused by ntoskrnl exe+42ad29, and another DRIVER_IRQL_NOT_LESS_OR_EQUAL BSOD which was caused by mouclass sys+2c2f
- Bluescreen Greenscreen DRIVERS_IRQL_OT_LESS_OR_EQUAL | Microsoft . . .
Hauckie Copper Contributor Jan 26, 2024 Bluescreen Greenscreen DRIVERS_IRQL_OT_LESS_OR_EQUAL Hello everyone, For a few weeks now, I have constantly had blue or green screens and the PC restarts All drivers are up to date, the memory has been checked and is fine and the system seems to be fine
- Random blue screen of death on my Windows 11 laptop | Microsoft . . .
When the BSOD occurs, take note of any error codes or messages displayed on the screen Common error codes include IRQL_NOT_LESS_OR_EQUAL, PAGE_FAULT_IN_NONPAGED_AREA
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