BIOS: Difference between revisions
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== Aten USB warning with Supermicro | == Aten USB warning with Supermicro <ref>https://support.aten.com/eServiceCx/Common/FAQ/view.do?id=17401</ref> <ref>https://www.linuxquestions.org/questions/linux-newbie-8/usb-port-nn-disabled-by-hub-emi-re-enabling-841593/?linkId=216030482</ref> == | ||
=== Problem, === | === Problem, === | ||
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Set BIOS > CPU Configuration > [[BIOS/SMT Control|SMT Control]]<nowiki/>to "disable" and [[BIOS/Global C-state Control|Global C-state Control]] to "Disabled" | Set BIOS > CPU Configuration > [[BIOS/SMT Control|SMT Control]]<nowiki/>to "disable" and [[BIOS/Global C-state Control|Global C-state Control]] to "Disabled" | ||
== Supermicro BIOS Setting on H11/H12 series motherboard with EPYC 7002 <ref name=":0">https://www.supermicro.com/support/faqs/faq.cfm?faq=31883</ref> == | == Supermicro BIOS Setting on H11/H12 series [[motherboard]] with EPYC 7002 <ref name=":0">https://www.supermicro.com/support/faqs/faq.cfm?faq=31883</ref> == | ||
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled | BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled | ||
BIOS >> Advanced >> [[PCIe]]/PCI/PnP Configuration >> SR-IOV [[Support]] >> Enabled | BIOS >> Advanced >> [[PCIe]]/PCI/PnP Configuration >> [[SR-IOV]] [[Support]] >> Enabled | ||
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled | BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled | ||
Latest revision as of 12:01, 23 August 2024
Aten USB warning with Supermicro [1] [2]
Problem,
Continuously kernwl warning "USB port nn disabled by hub (EMI?), re-enabling"
Reason,
Compatibility issue between ATEN and Supermicro USB 2.0 Hub
Work around
Set BIOS > CPU Configuration > SMT Controlto "disable" and Global C-state Control to "Disabled"
Supermicro BIOS Setting on H11/H12 series motherboard with EPYC 7002 [3]
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled
BIOS >> Advanced >> ACPI settings >> PCI AER Support >> Enabled
Supermicro BIOS Setting on H11 series motherboard with EPYC 7001[3]
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled