Date: Wed, 6 Dec 2006 13:20:05 GMT From: Volker <volker@vwsoft.com> To: freebsd-pf@FreeBSD.org Subject: Re: kern/106400: fatal trap 12 at restart of PF with ALTQ if ng0 device has detached Message-ID: <200612061320.kB6DK5iO004938@freefall.freebsd.org>
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The following reply was made to PR kern/106400; it has been noted by GNATS. From: Volker <volker@vwsoft.com> To: bug-followup@FreeBSD.org, bst2006@dva.dyndns.org Cc: Subject: Re: kern/106400: fatal trap 12 at restart of PF with ALTQ if ng0 device has detached Date: Wed, 06 Dec 2006 14:16:42 +0100 First I would suggest to use ALTQ w/ mpd not on ng0 but on the real physical interface (for example fxp0, xl0) which is being used by netgraph/mpd. On the other side I also do have trouble using ALTQ with mpd but I'm using mpd for a 3G connection (based on a tty device, not a NIC). Avoiding ALTQ rules in pf.conf for the ng0 interface (not using ALTQ on ng0) doesn't produce a fatal trap 12. So disabling ALTQ in your kernel is not the only workaround. You may still use ALTQ on your internal NIC without a trap. Unlike your experience, I always do experience a kernel trap when reloading pf rules w/ ALTQ on ng0 (whether or not pf rules are reloaded by a script or manually). This also occours while the ng0 interface is still there and from my experience it's not related to a reload of mpd.
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