Control: tag -1 moreinfo It's very hard to read this log due to word-wrapping. It looks like you've enabled jumbo frames with a network driver that doesn't support scatter/gather. This is bound to fail under memory pressure. (mlx4_en was changed to avoid this problem in Linux 3.11, but this is unlikely to be backported to wheezy.) It also appears that memory usage is very unbalanced between the multiple NUMA nodes (i.e. processor packages). Are you using explicit NUMA placement of application memory? Ben. -- Ben Hutchings Make three consecutive correct guesses and you will be considered an expert.
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