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Advisory: HPE Moonshot - Error Messages Indicating Interrupt Failures in dmesg May Be Displayed After Successful Deployment of Red Hat Enterprise Linux 6 on a ProLiant m710x Server Cartridge

SUPPORT COMMUNICATION - CUSTOMER ADVISORY

Document ID: a00019143en_us

Version: 1

Advisory: HPE Moonshot - Error Messages Indicating Interrupt Failures in dmesg May Be Displayed After Successful Deployment of Red Hat Enterprise Linux 6 on a ProLiant m710x Server Cartridge
NOTICE: The information in this document, including products and software versions, is current as of the Release Date. This document is subject to change without notice.

Release Date: 2017-07-11

Last Updated: 2017-07-11


DESCRIPTION

After successful deployment of Red Hat Enterprise Linux 6 (RHEL 6)on a ProLiant m710x server cartridge, the following dmar error messages generated by the kernel may be displayed at frequent intervals:

dmar: DRHD: handling fault status reg 2
dmar: INTR-REMAP: Request device [[00:00.0] fault index 14
INTR-REMAP:[fault reason 38] Blocked an interrupt request due to source-id verification failure

SCOPE

Any ProLiant m710x server cartridges running any update of RHEL 6.

RESOLUTION

This is a known issue that has been fixed in RHEL 7. As a workaround for RHEL 6, add the kernel parameter intremap=no_x2apic_optout.

More information can be found on the Red Hat customer portal at: https://access.redhat.com/solutions/128053 Non-HPE site

RECEIVE PROACTIVE UPDATES : Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively via e-mail through HPE Subscriber's Choice. Sign up for Subscriber's Choice at the following URL: Proactive Updates Subscription Form.

NAVIGATION TIP : For hints on navigating HPE.com to locate the latest drivers, patches, and other support software downloads for ProLiant servers and Options, refer to the Navigation Tips document .

SEARCH TIP : For hints on locating similar documents on HPE.com, refer to the Search Tips document .


Hardware Platforms Affected: HPE ProLiant m710x Server Cartridge
Operating Systems Affected: Red Hat Enterprise Linux 6 (x86), Red Hat Enterprise Linux (Itanium)
Software Affected: Not Applicable
Support Communication Cross Reference ID: SIK2246
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Document title: Advisory: HPE Moonshot - Error Messages Indicating Interrupt Failures in dmesg May Be Displayed After Successful Deployment of Red Hat Enterprise Linux 6 on a ProLiant m710x Server Cartridge
Document ID: emr_na-a00019143en_us-1
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