IrqlDispatch rule (wdm)

The IrqlDispatch rule specifies that the driver calls the following DDIs only when it is executing at IRQL = DISPATCH_LEVEL.

Driver modelWDM
Bug check(s) found with this rule Bug Check 0xA: IRQL_NOT_LESS_OR_EQUAL , Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x00020003)

How to test

At compile time

Run Static Driver Verifier and specify the IrqlDispatch rule.

Use the following steps to run an analysis of your code:
  1. Prepare your code (use role type declarations).
  2. Run Static Driver Verifier.
  3. View and analyze the results.

For more information, see Using Static Driver Verifier to Find Defects in Drivers.

At run time

Run Driver Verifier and select the DDI compliance checking option.

 

Applies to

AllocateAdapterChannel
AllocateCommonBuffer
BuildMdlFromScatterGatherList
BuildScatterGatherList
FlushAdapterBuffers
FreeAdapterChannel
FreeCommonBuffer
FreeMapRegisters
GetDmaAlignment
GetScatterGatherList
IoAllocateController
IoFreeController
IoStartNextPacket
KeInsertByKeyDeviceQueue
KeInsertDeviceQueue
KeRemoveByKeyDeviceQueue
KeRemoveDeviceQueue
MapTransfer
PutDmaAdapter
PutScatterGatherList
ReadDmaCounter

See also

Managing Hardware Priorities
Preventing Errors and Deadlocks While Using Spin Locks

 

 

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