BugZero | Hewlett Packard Enterprise BugID a00147931en_us - HPE MR Gen11 Storage Controllers

BugZero | Hewlett Packard Enterprise BugID a00147931en_us - HPE MR Gen11 Storage Controllers - System Boot Iss...

Hewlett Packard Enterprise - Defect ID: a00147931en_us

HPE MR Gen11 Storage Controllers - System Boot Issue Occurs on HPE ProLiant Gen12 Servers

Hewlett Packard Enterprise - Defect ID: a00147931en_us

HPE MR Gen11 Storage Controllers - System Boot Issue Occurs on HPE ProLiant Gen12 Servers

Last updated on May 2nd, 2025

BugZero Risk Score
5.9 Medium

Overall: 5.9

Severity: 6.4

Community: 5.5

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Bug Details

Priority: Medium
Views: 1

Description

Summary

Certain HPE MR Gen11 storage controllers (listed in scope section) configured on HPE ProLiant Gen12 servers running firmware version 52.22.3-4650 (or earlier) may produce a Machine Check Exception (MCE) error such as below.(Processor 1 APIC ID 0x00000000 Bank 0x00000000 Status 0xB2000000'00000400 Address 0x00000000'00000000)This relates to a recent change in which pre-boot Direct Memory Access Remapping (DMAr) protection is now enabled on Gen12 systems per the example in the screenshot below). Previously, this protection was disabled by default in earlier configurations.Since the HPE MR Gen11 storage controllers added support for DMAr in version 52.26.3-5250, and HPE Gen12 systems enabled default to support DMAr, encountering the MCE error during a system boot on Gen12 systems configured with MR controller firmware version 52.22.3-4650 (or earlier) is a known behavior. This can cause the system to reboot unexpectedly.

Scope

This issue is affected by the following products on HPE ProLiant Gen12 servers:NOTE: HPE ProLiant Gen11 Servers are not affected because they are disabled by default.HPE MR216i-o Gen11 x16 Lanes without Cache OCP SPDM Storage Controller (P47789-B21)HPE MR216i-p Gen11 x16 Lanes without Cache PCI SPDM Plug-in Storage Controller (P47785-B21)HPE MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller (P58335-B21)HPE MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage Controller (P47781-B21)HPE MR416i-p Gen11 x16 Lanes 8GB Cache PCI SPDM Plug-in Storage Controller (P47777-B21)Servers Affected:

Resolution

Upgrade the HPE MR Gen11 storage controllers listed in the Scope section toFirmware Package - HPE MR416i-p Gen11 Tri Mode Controller Version 52.26.3-5250(or later) to resolve this issue.

Affected OS

Operating Systems Affected:Not Applicable

Change history

2025-05-02 Added: HPE Compute MR Controllers

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Hewlett Packard Enterprise - Defect ID: a00147931en_us

HPE MR Gen11 Storage Controllers - System Boot Issue Occurs on HPE ProLiant Gen12 Servers

Hewlett Packard Enterprise - Defect ID: a00147931en_us

HPE MR Gen11 Storage Controllers - System Boot Issue Occurs on HPE ProLiant Gen12 Servers

Last updated on May 2nd, 2025

BugZero Risk Score5.9 Medium

Bug Details

Summary

Scope

Resolution

Affected OS

Links

Top Hewlett Packard Enterprise Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
5.9 Medium