On Thursday, July 31, 2014 10:21:22 am Alexander Motin wrote: > Hi. > > Doing some tests on FreeNAS (FreeBSD 9.2+) I hit series of panic during > active interfaces manipulation in some scenarios including multicast and > several vlans on top of lagg. I am not ready to reproduce the full > environment on head, but the code looks equal, so probably the bugs. > > I've made a patch to improve locking in that area, that seems fixes the > problems: http://people.freebsd.org/~mav/mcast_vlan_lagg.patch > > Could somebody with more experience in the area please take a look?
Can't you use IF_ADDR_RLOCK instead of IF_ADDR_WLOCK? Also, strictly speaking it might be best to use if_maddr_rlock() instead of directly using IF_ADDR_RLOCK(). -- John Baldwin _______________________________________________ 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"
