Date: Thu, 10 Aug 2006 14:08:45 +0100 From: Dominic Marks <dom@goodforbusiness.co.uk> To: freebsd-stable@freebsd.org Subject: Re: Network often not responding Message-ID: <44DB2FDD.60705@goodforbusiness.co.uk> In-Reply-To: <20060809171917.GA32202@localhost.localdomain> References: <496795293.20060809195310@pacific.net.id> <44D9ECB9.5020500@goodforbusiness.co.uk> <20060809171917.GA32202@localhost.localdomain>
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Stanislaw Halik wrote: > 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? > Yep! I should read more than the first line on things, especially when quoting them to others :) Dom
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