[Bug 255971] FreeBSD 13.0 Stable r3822450 hangs with error pfctl: DIOCGETRULE: Cannot allocate memory

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Thu May 20 14:29:22 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255971

--- Comment #7 from Kristof Provost <kp at freebsd.org> ---
(In reply to Rumen Palov from comment #6)
Ah, I misunderstood your test setup. In that case the last few thousand lines
might be more interesting. Depending on how the system stops working, of
course.

When you say it hangs, how are you diagnosing this? Loss of SSH access, or do
you not get any response from the console any more? (It's more likely for pf
issues to break networking than it is for it to totally freeze the system.)

I'm going to assume that comment #1 means you can access the console when it's
in the bad state.
If the console is still responsive a forced core dump (sysctl
debug.kdb.panic=1) is likely to be useful.

A truss run over a single pfctl that produces "pfctl: DIOCGETRULE: Cannot
allocate memory" should also be useful.

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