bge0 watchdog timeout

Sepherosa Ziehau sepherosa at
Thu Mar 27 04:16:50 PDT 2008

On Thu, Mar 27, 2008 at 6:48 PM, Jost Tobias Springenberg
<jspringe at> wrote:
> Hi there,
>  after playing around with dragonfly for quite some weeks I decided
>  it is time to set uo a production environment and I remembered an old IBM eServer 325
>  that I could use for this purpose.
>  Installing and compiling a SMP kernel worked flawlessly however there is one major bug:
>  The machine has two bge cards bge0 and bge1 the latter works fine but the first

Mmm, are two bge same?
Have you tried polling?
try setting hw.bge0.tx_coal_ticks to 400 without polling enabled.
Default value _may_ be too big for certain bge chips.

Best Regards,

>  always gives watchdog timeouts.
>  This happens regardless of wheather I am running a UP or SMP kernel.
>  Turnig off APIC_IO while using an SMP kernel also made no difference.
>  Any ideas to why this might be happening ?
>  Machines are down for maintenance and I have not yet grabbed a full dmesg,
>  sorry for that.
>  Tobias
>  --
>  Jost Tobias Springenberg <jspringe at>

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