Problem with bnx2 NICs & latest RHEL/CentOS kernel

Lars Hecking lqh at
Thu Jul 12 10:19:40 CDT 2012

George Hills writes:
> Hallo,
> Is anyone using the kernel from RHEL / CentOS 6.3 and having trouble with bnx2 NICs in a Poweredge?
> I'm trying the EL 6.3 kernels (2.6.32-279 and 2.6.32-279.1.1) on a Poweredge R510 with built-in bnx2 NICs, and seeing link up, but no traffic passing.
> All the previous kernels were fine.
> I've tried changing to the bnx2 firmware from the previous kernel (no change)
> I've tried using the previous kernel with the kmod-bnx2 package (which includes the same bnx2 driver as the new kernel), and that works fine.
 In my experience, it's a good idea to stay away from the kmod-* rpms and
 use the modules that come with the kernel rpm. Definitely for kmod-bnx2,
 and I'm waiting for confirmation whether this applies to kmod-tg3 as well,
 at least on some machine types (not Dell).

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