mbuf_jumbo_9k & iSCSI failing

Ryan Stone rysto32 at gmail.com
Sun Jun 25 15:14:08 UTC 2017


Is this setup using the mlx4_en driver?  If so, recent versions of that
driver has a regression when using MTUs greater than the page size (4096 on
i386/amd64).  The bug will cause the card to drop packets when the system
is under memory pressure, and in certain causes the card can get into a
state when it is no longer able to receive packets.  I am working on a fix;
I can post a patch when it's complete.


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