| title | description | keywords | ms.date | topic_type | ms.topic | api_name | api_type | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bug Check 0x4A IRQL_GT_ZERO_AT_SYSTEM_SERVICE |
The IRQL_GT_ZERO_AT_SYSTEM_SERVICE bug check has a value of 0x0000004A. This indicates that a thread is returning to user mode from a system call when its IRQL is still above PASSIVE_LEVEL. |
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05/23/2017 |
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reference |
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The IRQL_GT_ZERO_AT_SYSTEM_SERVICE bug check has a value of 0x0000004A. This indicates that a thread is returning to user mode from a system call when its IRQL is still above PASSIVE_LEVEL.
Important
This article is for programmers. If you're a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.
| Parameter | Description |
|---|---|
1 |
The address of the system function (system call routine) |
2 |
The current IRQL |
3 |
0 |
4 |
0 |
The !analyze debug extension displays information about the bug check and can be helpful in determining the root cause.