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Can someone please help me dechipher these event log entries?

Discussion in 'ASUS AC Routers & Adapters' started by tommyv2, Jun 5, 2018.

  1. tommyv2

    tommyv2 Regular Contributor

    Mar 31, 2014
    Asus RT-AC86U.

    I get two different kinds that are driving me crazy. I've done a search and a few people have asked, but I've never seen answers. Examples:

    This one:

    kernel: jffs2: warning: (749) jffs2_sum_write_data: Not enough space for summary, padsize = -500

    and this one: (this one seems more obvious, but I can't figure out why they'd be up and down status, it's not like they're actually shutting off minutes apart).

    Jun 4 19:20:46 kernel: eth4 (Ext switch port: 3) (Logical Port: 11) Link UP 10 mbps full duplex
    Jun 4 19:21:01 kernel: eth4 (Ext switch port: 3) (Logical Port: 11) Link DOWN.
    Jun 4 19:21:10 kernel: eth4 (Ext switch port: 3) (Logical Port: 11) Link UP 1000 mbps full duplex
    Jun 4 21:33:33 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
    Jun 4 21:40:32 kernel: eth4 (Ext switch port: 3) (Logical Port: 11) Link DOWN.

    Thanks to anyone that can answer!
  2. RMerlin

    RMerlin Super Moderator

    Apr 14, 2012
    Usually indicates a cable problem, could also be a network card problem with the device connected to that port. I recommend replacing the Ethernet cable.
  3. sfx2000

    sfx2000 Part of the Furniture

    Aug 11, 2011
    San Diego, CA
    This one is just a transient warning...

    JFFS2 has an erased block summary, and sometimes it's too big to write, so you get the error - it's slows down mounting a bit, once the garbage collector runs through and cleans things up, should be fine...
  4. maxbraketorque

    maxbraketorque Senior Member

    Dec 6, 2015
    My HP printer goes through this pattern routinely. It appears to be periodically waking from sleep mode or some other activity, and it seems to start first with negotiating low connection speeds to the router.
  5. GPMAZ

    GPMAZ New Around Here

    Nov 10, 2016
    I recently upgraded to an AC86U and started getting the same errors in the log. Changed the cable, still got the errors. Swapped to a different port on the router and the problem followed. Turns out that the errors coincide with shutting down and starting up a desktop computer. My guess is its something peculiar about the 86U as it didn't happen with any previous ASUS routers running your firmware.