Hi, I'm seeing the following messages from IPoIB: ib0: post_send failed ib0: post_send failed ib0: post_send failed ib0: post_send failed ib0: post_send failed ib0: post_send failed NETDEV WATCHDOG: ib0: transmit timed out ib0: transmit timeout: latency 1374 msecs ib0: queue stopped 1, tx_head 140245691, tx_tail 140245565
What are the possible (and most likely) causes of post_send failures ? I went through the code for all the errors (some at the driver level) but none popped out at me. Once the transmit queue is stopped, does the interface need to be taken down and then back up to restart this ? Thanks. -- Hal
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