BCM5720 nic probe failed (err -19) with tg3 driver

Solution In Progress - Updated -

Issue

We have an issue with a NetXtreme BCM5720 nic port not coming online:

kernel: tg3 0000:01:00.1: PCI INT B -> GSI 38 (level, low) -> IRQ 38
kernel: tg3 0000:01:00.1: setting latency timer to 64
kernel: tg3 0000:01:00.1: (unregistered net_device): Cannot get nvram lock, tg3_nvram_init failed
kernel: tg3 0000:01:00.1: phy probe failed, err -19
kernel: tg3 0000:01:00.1: Problem fetching invariants of chip, aborting
kernel: tg3 0000:01:00.1: PCI INT B disabled

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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