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Bug#615860: bnx2 adapter periodically dropping received packets (pause frames)

On Mon, 2011-02-28 at 14:22 +0100, Joerg Morbitzer wrote:
> Package: bnx2
> Version: 2.6.32-5-amd64
> Severity: normal
> Hi all,
> on my two Debian 6.0 (Squeeze) servers from HP (ProLiant DL380 G7) I have
> issues with the on-board Broadcom NetXtreme II BCM5709 Gigabit 
> Ethernet adapters: they constantly drop received network packets, and the
> Cisco routing swtich 4948 is reporting pause frames coming from the
> network card during this time.
> I found the exact same bug report description including an upstream fix
> by David Miller here :

I think that's a different bug.  And I don't see any fix by David Miller

> https://bugzilla.redhat.com/show_bug.cgi?id=640026
> They increased the ring buffer size as far as I understand. 

They increased the maximum allowed RX descriptor ring size.  You should
first try changing the value to the current maximum yourself, with
ethtool -C.


Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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