Date: Tue, 10 Jun 2014 10:17:52 -0400 From: John Jasen <jjasen@gmail.com> To: freebsd-infiniband@freebsd.org Subject: mlxen drivers/adapters: potential problem: inactivity requires ifconfig nudge to wake up? Message-ID: <53971390.4070305@gmail.com>
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I came back to my test environment after a long weekend of it being idle, and resumed some bandwidth/packets-per-second testing where I left off last week. The tests all failed, with errors similar to 'unable to connect'. I could generally ping through the interfaces, but trying to tickle a TCP port timed out. The first interface, I did a manual ifconfig down and ifconfig up to bring it back to life. I looped through most of the interfaces; adjusting the mlxenSOMENUM tx_size and rx_size (which brings the interface down and up when changed), and now my tests are working again. I've encountered this before if the test equipment was left alone overnight or so. Any pointers as to what could be the cause?
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