[Bug 253587] iflib (?): reproducible mbuf-related crashes

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Feb 21 18:03:11 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253587

Kamigishi Rei <spambox at haruhiism.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|netisr: possible            |iflib (?): reproducible
                   |concurrency issues with     |mbuf-related crashes
                   |net.isr.maxthreads > 1      |

--- Comment #4 from Kamigishi Rei <spambox at haruhiism.net> ---
Update: this happens with maxthreads=1 as well. Does not happen inside a VM.
With an INVARIANTS kernel I can reproduce this reliably by initiating a zfs
send over SSH through this host acting as a router.

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