What is IRQL and why is it important? | Microsoft Community Hub
Mar 15, 2019 · 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 …
What exactly is IRQL_NOT_LESS_OR_EQUAL? - Super User
Apr 3, 2018 · 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 …
The Basics of Mutexes and Spin Locks | Microsoft Community Hub
Mar 15, 2019 · Code that runs at IRQL < DISPATCH_LEVEL acquires and releases the lock by calling two routines (KeAcquireSpinLock and KeReleaseSpinLock). These routines raise the …
Three System BSODs ? | Microsoft Community Hub
Mar 21, 2025 · 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 …
DPC WATCHDOG VIOLATION - how to identify the issue
Nov 21, 2022 · DPC_WATCHDOG_VIOLATION (133) The DPC watchdog detected a prolonged run time at an IRQL of DISPATCH_LEVEL or above. Arguments: Arg1: 0000000000000001, …
How do I see/change the IRQ(L) of my device? - Super User
Jan 22, 2011 · 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 …
BSOD Stop code: DRIVER IRQL NOT LESS OR EQUAL
Oct 30, 2025 · BSOD Stop code: DRIVER IRQL NOT LESS OR EQUAL I have windows 10 on a lenovo laptop and recently I stopped being able to utilize WIFI and I keep getting the BSOD …
Bluescreen/Greenscreen DRIVERS_IRQL_OT_LESS_OR_EQUAL
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 …
Multiple crashes after hardware upgrade | Microsoft Community Hub
May 12, 2025 · Hi there, just upgraded from i5 9600k to i7 12700k (including motherboard upgrades) since upgrading I’ve had no end of crashes with irql not equal or less and system …
Finding the root cause of IRQL_NOT_LESS_OR_EQUAL
Oct 15, 2021 · We've got a box that randomly stops with a IRQL_NOT_LESS_OR_EQUAL. We've got a full memory dump. It certainly looks network related. How would I go about diving deeper …