David Yep.. we got that wrong.
If 1 is returned by the submit it means the PCB was lost. If 0 is returned you unlock as usual. R On Jul 21, 2015, at 5:59 PM, David Wolfskill <da...@catwhisker.org> wrote: > On Tue, Jul 21, 2015 at 03:21:16PM -0500, Eric van Gyzen wrote: >> ... >>>> So it looks like net swi, leaking some udp6 lock. >>> Curiouser and curiouser... While I'm not taking any special pains to >>> avoid building IPv6, I'm not actively actually doing anything with it >>> (IPv6), either (for both the failing machine and my laptop). >>> >>> Once I'm back home, I should be able to poke around in ddb after >>> re-creating the panic, if that would be a useful thing for me to do (and >>> given some hints as to what to poke). >>> >>> Naturally, I'm also happy to change bits of sources, rebuild, and >>> smoke-test. >>> >>> A quick check from the SVN update output only shows r285710, r285711, and >>> r285740 in the range from (r285685,r285741] -- as the kernel running >>> r285685 had no known issues -- that touched sys/netinet6/*. >> >> It's a multicast destination. Maybe something is using mDNS? >> >> Randall, does the test on line 406 of udp6_usrreq.c need to be inverted? >> >> Eric >> > > <DING!> We have a winner! > > FreeBSD freebeast.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1789 > r285741M/285741:1100077: Tue Jul 21 14:50:59 PDT 2015 > r...@freebeast.catwhisker.org:/common/S3/obj/usr/src/sys/GENERIC amd64 > > freebeast(11.0-C)[3] cd /usr/src > freebeast(11.0-C)[4] svn diff sys/netinet > netinet/ netinet6/ > freebeast(11.0-C)[4] svn diff sys/netinet* > Index: sys/netinet6/udp6_usrreq.c > =================================================================== > --- sys/netinet6/udp6_usrreq.c (revision 285741) > +++ sys/netinet6/udp6_usrreq.c (working copy) > @@ -403,7 +403,7 @@ > INP_RLOCK(last); > INP_INFO_RUNLOCK(pcbinfo); > UDP_PROBE(receive, NULL, last, ip6, last, uh); > - if (udp6_append(last, m, off, &fromsa)) > + if (! udp6_append(last, m, off, &fromsa)) > INP_RUNLOCK(last); > inp_lost: > return (IPPROTO_DONE); > freebeast(11.0-C)[5] > > Thanks! :-) > > Peace, > david > -- > David H. Wolfskill da...@catwhisker.org > Those who murder in the name of God or prophet are blasphemous cowards. > > See http://www.catwhisker.org/~david/publickey.gpg for my public key. -------- Randall Stewart r...@netflix.com 803-317-4952 _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
