[Bug 227720] Kernel panic in ppp server

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227720

--- Comment #25 from Andrey V. Elsukov <ae at FreeBSD.org> ---
> You can try to apply this patch https://people.freebsd.org/~ae/netgc.diff
> 
> It does deferred free for deleted ifnet structure. So, when interface
> destroyed and some code does access to the ifnet stucture in the same time,
> it can be done without page fault.

Note, you need to set sysctl net.gc.enable=1 to take an effect.

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