Network often not responding
Stanislaw Halik
sthalik at tehran.lain.pl
Wed Aug 9 17:19:44 UTC 2006
On Wed, Aug 09, 2006, Dominic Marks wrote:
>> Aug 9 15:09:16 cache kernel: xl0: transmission error: 90
>> Aug 9 15:09:16 cache kernel: xl0: tx underrun, increasing tx start
>> threshold to 120 bytes
> dc%d: TX underrun -- increasing TX threshold The device generated a
> transmit underrun error while attempting to DMA and transmit a packet.
> This happens if the host is not able to DMA the packet data into the
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NIC's FIFO fast enough. The driver will dynamically increase the
~~~~~~~~~~~~~~~~~~~~~~
> trans- mit start threshold so that more data must be DMAed into the
> FIFO before the NIC will start transmitting it onto the wire."
> So it would seem like the card cannot keep pace with the system. What NICs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> have you tried?
Basing on the quoted text, isn't it the opposite?
--
I saw `cout' being shifted "Hello world" times to the left and stopped right
there. -- Steve Gonedes
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