Hyper-V SR-IOV device fails with "failed with error -28"
Issue
- Hyper-V SR-IOV device fails with
failed with error -28 - Issue with HyperV RHEL8 Guest, we can't seem to connect to LAN on the VM with SR-IOV active.
- No Network Connection on our RHEL8 machines on Hyper-V
[ 4425.204358] bnxt_en a347:00:02.0 (unnamed net_device) (uninitialized): hwrm req_type 0x27 seq id 0xc error 0x4
[ 4425.204395] bnxt_en a347:00:02.0 (unnamed net_device) (uninitialized): Probe phy can't update link (rc: ffffffe4)
[ 4425.205961] bnxt_en: probe of a347:00:02.0 failed with error -28
[ 4455.343517] bnxt_en a347:00:02.0 (unnamed net_device) (uninitialized): hwrm req_type 0x27 seq id 0xc error 0x4
[ 4455.343556] bnxt_en a347:00:02.0 (unnamed net_device) (uninitialized): Probe phy can't update link (rc: ffffffe4)
[ 4455.345064] bnxt_en: probe of a347:00:02.0 failed with error -28
Environment
- Red Hat Enterprise Linux 8.6 as Hyper-V Virtual Machine
- Microsoft Hyper-V virtualization hypervisor
- Broadcom SR-IOV Virtual Function (VF) using
bnxt_endriver
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.