[Users] mthca lockup

[Coulter, Susan K]

On Sep 23, 2013, at 9:37 AM, Orion Poplawski <orion at cora.nwra.com<mailto:orion at cora.nwra.com>> wrote:

Sep 21 12:52:11 castor kernel: ib0: transmit timeout: latency 1997 msecs
Sep 21 12:52:11 castor kernel: ib0: queue stopped 1, tx_head 2265490, tx_tail 2265362

We see these periodically - even on the newer mlx4_0 devices.

If it is happening a lot and always on the same node, the HCA probably needs replacing.

How often is it happening?

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Susan Coulter
HPC-3 Network/Infrastructure
505-667-8425
Increase the Peace...
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