Technical Announcement on Probabilistic Abnormal Restart Issue of HDM for H3C UniServer G6 Series Servers

2026-06-16 14:36:34 Published
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Product Model

Announcement category

Early warning

Operational requirements

Learning prevention, Security hardening

I.        Product Model

H3C UniServer G6 series servers equipped with the hardware optional cards listed in the table below:

NIC-ETH-SP670-FHHL-2P100G

NIC-X550T2G1P5-LP-2P

NIC-iETH-MBF2H512C-AEUOT

NIC-X2522-25Gb-2P

NIC-X710-DA4-F-B-10Gb-4P

NIC-iETH-MBF2H536C-CEUOT

NIC-MCX4121A-F-B-25Gb-2P

NIC-X710DA4-F-B-10Gb-4P

NIC-10GE-2P-530F-B2-1

NIC-MCX4121A-F-B-10Gb-2P

NIC-X710DA2-F-B-10Gb-2P

CNA-10GE-2P-560F-B2

NIC-MCX4621A-ACAB-2*25G

NIC-XL710-QDA2-F-40Gb-2P

NIC-ETH1060F-LP-2P

NIC-ETH-MCX515A-CCAT-1P

NIC-XL710-QDA1-F-40Gb-1P

NIC-ETH640F-3S-2P

NIC-MCX512A-ACAT-2*25Gb-F

NIC-XXV710-F-B-25Gb-2P

NIC-ETH540F-3S-2P

NIC-MCX512A-ACAT_C06-2*25G

NIC-ETH-E810XXVDA2OCP3G-2P

NIC-ETH561F-3S-2P

IB-MCX653105A-HDAT-200Gb-1P

NIC-957454A4540C-B-100G-1P

NIC-ETH565T-3S-2P

NIC-iETH-MCX621102AN-ADAT

NIC-BCM95719A1904AC-LP-4P

NIC-ETH660F-3S-2P

NIC-MCX623432AN-ADAB-2*25G

NIC-BCM957412-F-B-10Gb-2P

NIC-ETH540F-LP-2P

NIC-ETH-MCX623106AN-CDAT-2P

NIC-BCM957414-F-B-25Gb-2P

NIC-ETH531F-LP-2P

NIC-MCX623105AN-VDAT-200G-1P

NIC-BCM957414N4140C-3S-2P

NIC-ETH630F-LP-2P

NIC-ETH-MCX623105AN-CDAT-1P

NIC-BCM957416-T-B-10Gb-2P

NIC-ETH641F-LP-2P

NIC-MCX623436MS-CDAB-2*100G

NIC-BCM957508-N2100G-3S-2P

NIC-ETH531F-3S-2P

NIC-MCX623430MS-CDAB-2*100G

NIC-S1055AS-A00CHT-25G-2P

NIC-MCX4621A-ACAB-2*25G

NIC-ETH1040I-2P

NIC-ETH-X722DA2

TAIHANG

NIC-ETH-MCX631432AN-ADAB-2P

NIC-ETH-3S910-LP-2P-25G

RAID-P460-B4

NIC-ETH-MCX631432AS-ADAB-2P

NIC-ETH-3S930-LP-2P-100G

RAID-P460-B2

NIC-X540-T2-T-10Gb-2P

iETH-MBF2H332A-AENOT-2P-25G

HBA-H460-B1

Involved Version

Versions prior to HDM2-2.26 (excluding HDM2)

All versions of HDM2-1.XX

Problem Description

An H3C G6 server paired with an MCTP Over PCIe protocol card is experiencing intermittent BMC (Browser Control Center) abnormal restarts with unpredictable intervals. The error message is as follows: Management controller off-line---BMC WDT1 timeout event happened.

Cause Analysis

An H3C G6 server paired with an MCTP Over PCIe protocol card is experiencing intermittent BMC (Browser Control Center) abnormal restarts with unpredictable intervals. The error message is as follows: Management controller off-line---BMC WDT1 timeout event happened.

Workaround/Solutions

Upgrade to HDM2-2.26 or later.

Note: HDM2-2.26 and later versions have fixed the above-mentioned known issues. If the problem persists after upgrading to this version, it may be due to other unknown root causes. Please contact the technical support center for further assistance.

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