Why after reboot the network card on a server went missing or remain undetected ?

Solution Unverified - Updated -

Issue

  • Server was power cycle, after booting 1 quad-port card was missing.
# grep -i ethernet lspci 
04:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
04:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
0e:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
  • When booted again, the card was detected properly.
# grep -i ethernet lspci 
04:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
04:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
0e:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
0e:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
90:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
90:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
90:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
90:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.2 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
95:00.3 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)

Environment

  • Red Hat Enterprise Linux 6
  • Intel Corporation 82580 Gigabit Network cards.

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