This is seen that mostly servers reboot or hang with this error code and when checked the server logs we find below 2 errors.
1. System Crash - Message: BugCheck, STOP: 0x00000077
This is a Operating System Kernel Crach Error which generally lead to System hand or Reboot. below is the link for further troubleshooting about this error from the OEM Site :
2. Post Error - Message: 1792-Drive Array Reports Valid Data Found in Array Accelerator - Error: 92
This error was shown on Post when system was reboot. HP Servers have facility to retain the data in the RAID Cache in unexpected shutdown, reboot or power failure condition. and writes this data on the HDD whenever system is rebooted.
error denotes that the valid data was found on the RAID Cache and same will be written to the HDD. i hope this error will not come again as this is not error but notification msg.
Please suggest Customer to engage with OS vendor and troubleshoot further on bugcheck error to avoid system reboot in future.