LOR involving igmp on 11.0-ALPHA5

From: Michael Plass <mfp49_freebsd_at_plass-family.net>
Date: Sat, 2 Jul 2016 15:48:24 -0700
FreeBSD xx 11.0-ALPHA5 FreeBSD 11.0-ALPHA5 #0 r302164: Fri Jun 24 02:51:52 UTC 2016     root_at_releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64

lock order reversal:
1st 0xfffff80003cff990 if_addr_lock (if_addr_lock) _at_ /usr/src/sys/netinet/igmp.c:1716
2nd 0xffffffff81d7b660 ifnet_rw (ifnet_rw) _at_ /usr/src/sys/net/if.c:258

More details (with stack) are at
    https://gist.github.com/mfplass/aa7c78640af1309699e908c4d73c0d40

I've seen this twice.

Thanks,
- Michael
Received on Sat Jul 02 2016 - 20:48:28 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:06 UTC