Get System Restart Cause oem
更新时间： 2026/08/06
在AtomGit上查看源码11h-Get-System-Restart-Cause-oem
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2026/08/06 | Initial draft: add command details |
Basic Information
Function Description
Obtain the cause of the system restart.
Privilege
ReadOnly
Command Information
Request Information
| Byte | Data Field |
|---|---|
| NetFn | 30h |
| CMD | 92h |
| 1:3 | Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h. |
| 4 | Sub command, sub command=11h |
| 5 | fruid<br>00h - main board<br>01h - base<br>02h - fabric |
Response Information
| Byte | Data Field |
|---|---|
| 1 | Completion Code |
| 2:4 | Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h. |
| 5 | Restart Cause<br>[7:4]-reserved<br>[3:0]-0h=unknown (system start/restart detected, but cause unknown)<br>[required if this condition exists]<br>1h=Chassis Control command [required]<br>2h=reset via pushbutton [optional]<br>3h=power-up via power pushbutton [optional]<br>4h=Watchdog expiration (see watchdog flags) [required]<br>5h=OEM [optional]<br>6h=automatic power-up on AC being applied due to 'always restore' power restore policy [optional]<br>7h=automatic power-up on AC being applied due to 'restore previous<br>power state' power restore policy [optional]<br>8h=reset via PEF [required if PEF reset supported]<br>9h=power-cycle via PEF [required if PEF power-cycle supported]<br>Ah=soft reset (e.g. CTRL-ALT-DEL) [optional]<br>Bh=power-up via RTC (system real time clock) wakeup [optional]<br>all other=reserved |
| 6 | Channel number. (Channel that command was received over) |
Command Example
Obtain the cause of the system restart.
Request:
bash
ipmicmd -k "0f 00 30 92 db 07 00 11 00" smi 0Response:
text
0f db 07 00 00 00