>-----Original Message----- >From: Michał Purzyński [mailto:michalpurzyns...@gmail.com] >Sent: Friday, September 23, 2016 1:10 AM >To: e1000-devel@lists.sourceforge.net >Subject: [E1000-devel] rx_missed_errors grows while rx_no_buffer does not > >Hello. > >On my IDS workload with af_packet I can see rx_missed_errors growing while >rx_no_buffer_count does not. Basically every other kind of rx_ error >counter is 0, including rx_no_dma_resources. It's an 82599 based card. > >I don't know what to think about that. I went through ixgbe source code and >the 82599 datasheet and seems like rx_missed_error means a new packet >overwrote something already in the packet buffer (FIFO queue on the card) >because there was no more space in it. > >Now, that would happen if there is no place to DMA packets into - but that >counter does not grow. > >Could you point me to where should I be looking for a problem?
Does the xoff/on counter increment? If so disable flow control and the rx_missed will trickle down to the other counters. Thanks, Emil ------------------------------------------------------------------------------ _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
