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 …
BSOD Stop code: DRIVER IRQL NOT LESS OR EQUAL | Microsoft …
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 …
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, …
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 …
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 …
Random blue screen of death on my Windows 11 laptop
Jul 16, 2024 · 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, …
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 …
Bluescreen/Greenscreen DRIVERS_IRQL_OT_LESS_OR_EQUAL
Hauckie Copper Contributor Jan 26, 2024 Bluescreen/Greenscreen DRIVERS_IRQL_OT_LESS_OR_EQUAL Hello everyone, For a few weeks now, I have …
Understanding Bugchecks | Microsoft Community Hub
Mar 15, 2019 · An IRQL is the priority ranking of an interrupt. The IRQL at which a piece of kernel-mode executes determines the hardware priority. DPC is a mechanism that allows the …