On Monday 07 April 2008 12:16:53 pm Petr Holub wrote: > Hi all, > > I started to play with RAT application (ports: mbone/rat + an SVN version) > and > it seems to crash my 6.3-RELEASE-p1 box in rather deterministic way. Crash > details are shown below. Has anyone seen a problem like this?
Yes, there's an off-by-one reference count bug in the multicast stuff. You need 1.85.2.10 of sys/netinet/in.c: Index: in.c =================================================================== RCS file: /host/cvs/usr/cvs/src/sys/netinet/in.c,v retrieving revision 1.85.2.9 retrieving revision 1.85.2.10 diff -u -r1.85.2.9 -r1.85.2.10 --- in.c 7 Jul 2007 00:54:46 -0000 1.85.2.9 +++ in.c 22 Feb 2008 19:13:56 -0000 1.85.2.10 @@ -991,7 +991,6 @@ * a new record. Otherwise, we are done. */ if (ifma->ifma_protospec != NULL) { - if_delmulti_ent(ifma); /* We don't need another reference */ IN_MULTI_UNLOCK(); IFF_UNLOCKGIANT(ifp); return ifma->ifma_protospec; Given how simple the patch is and that if fixes a known panic this might be worthy of an errata notice or errata candidate. (At least a note in the errata pointing to the 1.85.2.10 commit if not an actual patch to RELENG_6_3.) -- John Baldwin _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"