Re: bge problems in RELENG_9, bge0: watchdog timeout -- resettin

Hi,

On fre, aug 24, 2012 at 10:52:48am -0700, YongHyeon PYUN wrote:
>> 
>> During boot I get:
>> 
>> pcib3: <ACPI PCI-PCI bridge> at device 2.0 on pci0
>> pci3: <ACPI PCI bus> on pcib3
>> pci0:3:0:0: failed to read VPD data.
>> bge0: <Broadcom unknown BCM5719, ASIC rev. 0x5719001> mem
>> 0xf6bf0000-0xf6bfffff0xf6be0000-0xf6beffff,0xf6bd0000-0xf6bdffff irq 32
>> at device 0.0 on pci3
>> bge0: APE FW version: NCSI v1.0.80.0
>   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> It seems your APE runs slightly newer NC-SI firmware. I was able to
> reproduce watchdog timeouts on Dell R820 but I'm not sure you're
> also seeing the same issue here. Due to unknown reason, it seems
> programming RX MTU register has no effect with BCM5720 on R820.
> Receiving frames larger than 175(?) bytes seem to hang the
> controller on R820. Current workaround for the issue is to set
> the MTU of sender(i.e. link partner or switch) to some low value,
> 128 for example. That would show poor performance but shall make
> your controller work. I asked help to Broadcom and waiting for
> answers/hint from Broadcom.

FYI this issue has been moved to PR kern/171121. Lowering the MTU on the
link partner to 128 seems to avoid the issue, but makes performance
poor. I did not find any firmware updates on HP.com website.

Regards,

-- 
Anders.
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