The following reply was made to PR kern/153497; it has been noted by GNATS.
From: "Bjoern A. Zeeb" <[email protected]> To: Mike Tancsa <[email protected]> Cc: [email protected] Subject: Re: kern/153497: [netgraph] netgraph panic with ipv6 enabled Date: Thu, 6 Jan 2011 14:21:39 +0000 (UTC) On Thu, 6 Jan 2011, Mike Tancsa wrote: I would just like to add two things: a) this isn't really IPv6 related; it's just a matetr of timing and depending on options and modules used it's more or less likely. It's basically races in the netgraph code. b) the XXXBZ printfs come from where he was previously seeing a NULL pointer de-ref, which in the last case looks like random memory corruption or indeed just another race. The debugging patch was: http://people.freebsd.org/~bz/20101228-01-ng-base-race-pr153497.diff with the printf in the hook == NULL case removed again, as that happened a lot, which I think isn't right either but ... -- Bjoern A. Zeeb You have to have visions! <ks> Going to jail sucks -- <bz> All my daemons like it! http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails.html _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[email protected]"
