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I have a fresh CentOS 6 installation on a Dell R310 server with a Broadcom BCM5716. The onboard NIC is causing the boot to hang for some reason.

Welcome to CentOS Linux
Starting udev: udev: starting version 147
Boardcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.0.23b (Feb 01, 2011)
bnx2 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16

That's it... then it just hangs / freezes. If I disable the NIC via the BIOS settings, CentOS boots fine.

I've downloaded and installed the latest driver from Broadcom's website. Any ideas?

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  • we have a very similar centos 6 issue with a broadcom 5754. I wonder if this will be the same issue ? - Keeping an eye on this one
    – Sirex
    Commented Mar 1, 2012 at 10:47
  • Just a little update -- I've spent so much frustrated time trying to get this working on various linux distros that I just went out and bought a new Intel Pro Server NIC. Worked like a charm with CentOS 5 and 6 -- no hassles. Definitely worth the $150.
    – DJ Tarazona
    Commented Jun 17, 2012 at 21:15
  • ditto :( same outcome here
    – Sirex
    Commented Jun 20, 2012 at 2:44

3 Answers 3

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This question is a bit old now, but I came across it and thought I'd mention that we also had issues with this NIC on-board a Dell R710. Here's a link with some things you might try:

http://answerpot.com/showthread.php?290594-Dell%20Power%20Edge%20R710%20with%20CentOS

A colleague ended up resolving it with a combination of these steps.

Summary:

  • Update the card's firmware
  • Get the latest Broadcom driver
  • Disable MSI; i.e. add 'options bnx2 disable_msi=1' to /etc/modprobe.conf and reboot.
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    +1 Firmware, it's always the firmware.
    – Chris S
    Commented Jun 6, 2013 at 13:11
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Try to move it to another slot. If it does not help file an RMA with your vendor.

update: Then try to reset the BIOS settings. If it does not help contact your vendor

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  • Can you elaborate? Another slot as in PCI slot or something? If so, unfortunately this is the onboard (embedded) NIC on the motherboard.
    – DJ Tarazona
    Commented Sep 14, 2011 at 15:44
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I see this behavior alot with HP and ICO servers (ICO = local HW vendor). We usually solve it by either disabling all but one interface in BIOS or connecting all LAN ports with a switch so they have a link.

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