07October2021 [FreeBSD WIKI]

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Attendees: rrs@, rscheff@, thj@, tuexen@

  * [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217214|PR 217214]], [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218270|PR 218270]] are closed, but %%NetAPP%% is experiencing this in stable/11 based builds. Happens during high loss scenarios. rscheff@ is still looking at it. Workaround seems to be disabling SACK.

  * rrs@ reports about a problem related to memory corruption in head. It happens rarely. Maybe related to problems reported by syzkaller.

  * [[https://syzkaller.appspot.com/freebsd|syzkaller]] is finding some issues for the RACK and BBR stack. Right now tuexen@ can't reproduce them locally. tuexen@ will try different ways to reproduce them and get core dumps.

  * rrs@ is working on hystart++.

  * [[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258732|PR 258732]]. This was discussed. This is not a bug, but a feature request. Without having a use case (liken an open source program which uses this feature), the group is hesitant to implement it. The feature can be used to force a peer to send a lot of small packets.

Next meeting: 21 October @ 1400 UTC