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

Your message dated Tue, 01 Mar 2011 12:23:06 +0000
with message-id <1298982186.3437.0.camel@localhost>
and subject line Re: Bug#615860: bnx2 adapter periodically dropping received packets (pause frames)
has caused the Debian Bug report #615860,
regarding bnx2 adapter periodically dropping received packets (pause frames)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
615860: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615860
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
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 :

https://bugzilla.redhat.com/show_bug.cgi?id=640026

They increased the ring buffer size as far as I understand. 

Please find further details concerning the network card and ethtool
settings bekow.

Kind regards, Joerg.

------------------------ cut -----------------------------------------

root@test-name:~# ethtool -a eth1
Pause parameters for eth1:
Autonegotiate:  on
RX:             on
TX:             on

root@test-name:~# 

root@test-name:~# ethtool -c eth1
Coalesce parameters for eth1:
Adaptive RX: off  TX: off
stats-block-usecs: 999936
sample-interval: 0
pkt-rate-low: 0
pkt-rate-high: 0

rx-usecs: 18
rx-frames: 12
rx-usecs-irq: 18
rx-frames-irq: 2

tx-usecs: 80
tx-frames: 20
tx-usecs-irq: 18
tx-frames-irq: 2

rx-usecs-low: 0
rx-frame-low: 0
tx-usecs-low: 0
tx-frame-low: 0

rx-usecs-high: 0
rx-frame-high: 0
tx-usecs-high: 0
tx-frame-high: 0

root@test-name:~# 



lspci -v:
----------
03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
        Subsystem: Hewlett-Packard Company NC382i Integrated Quad Port PCI Express Gigabit Server Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f4000000 (64-bit, non-prefetchable) [size=32M]
        [virtual] Expansion ROM at e4100000 [disabled] [size=64K]
        Capabilities: [48] Power Management version 3
        Capabilities: [50] Vital Product Data
        Capabilities: [58] MSI: Enable- Count=1/16 Maskable- 64bit+
        Capabilities: [a0] MSI-X: Enable+ Count=9 Masked-
        Capabilities: [ac] Express Endpoint, MSI 00
        Capabilities: [100] Device Serial Number 68-b5-99-ff-fe-6f-e5-f6
        Capabilities: [110] Advanced Error Reporting
        Capabilities: [150] Power Budgeting <?>
        Capabilities: [160] Virtual Channel
        Kernel driver in use: bnx2
------------------------ cut -----------------------------------------

--- End Message ---
--- Begin Message --- 
On Tue, 2011-03-01 at 12:24 +0100, Joerg Morbitzer wrote:
[...]
> Just for info: increasing the RX descriptor ring size to 1020 probably
> fixed this issue, they was no further incident so far.
> 
> Thanks for the hint,

OK, closing.

Ben.

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

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