Re: tg3 driver upgrade (Linux 2.6.32 -> 3.2) breaks IBMBladecenter SoL

From: Michael Chan
Date: Mon Oct 01 2012 - 05:33:08 EST


On Fri, 2012-09-28 at 22:45 +0200, Ferenc Wagner wrote:
> Hi,
>
> Upgrading the kernel on our HS20 blades resulted in their SoL (serial
> over LAN) connection being broken. The disconnection happens when eth0
> (the interface involved in SoL) is brought up during the boot sequence.
> If I later "ip link set eth0 down", then the connection is restored, but
> "ip link set eth0 up" breaks it again on 3.2. ethtool -a, -c, -g, -k
> and -u show no difference; ethtool -i on the 2.6.32 kernel reports:
>
> driver: tg3
> version: 3.116
> firmware-version: 5704s-v3.38, ASFIPMIs v2.47
> bus-info: 0000:05:01.0
>
> In the 3.2 kernel the driver version is 3.121.

2.6.32 to 3.2 is a big jump. Can you narrow this down further? It will
be hard for us to find a HS20 with 5704 to test this. Thanks.


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