Bug Check Bug Check 0x1D4: UCMUCSI_LIVEDUMP


This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.

The UCMUCSI_LIVEDUMP live dump has a value of 0x000001D4.

The UcmUcsi.sys driver has encountered an error. UcmUcsi.sys is an-in box USB Connector Manager UCSI client driver. For more information, see USB Type-C Connector System Software Interface (UCSI) driver.


Parameter Description
1 Type of failure - see values below
2 The UCSI command value.
3 If non-zero, the pointer to additional information (dt UcmUcsiCx!UCMUCSICX_TRIAGE).
4 Reserved.

Type of Failure

0x0 : A UCSI command has timed out because the firmware did not respond to the command in time.

0x1 : A UCSI command execution failed either because the client driver returned failure or because the firmware returned an error code.