At 06:22 PM 8/13/2008, Robert Watson wrote:

I'm concerned by the presence of multiple ARP entries for a single IP -- I'll need to reread the ARP code to refresh my memory, but in general I would expect to see at most one in-progress or complete ARP entry for any particular IP address at a time. To me, this suggests a bug -- perhaps a race condition or just a general logic bug. If rolling back fixes it, that is definitely interesting, but we can also debug this in the normal ways and see where it leads us.


It seems to be on the 31st and one of the commits below that causes the problem. I am bcc'ing the people below. Original problem description at
http://lists.freebsd.org/pipermail/freebsd-stable/2008-August/044373.html
I originally thought it to be an issue with Robert's patch, but it appears instead to be related to one of the commits below.

Updating collection src-all/cvs
 Edit src/sys/conf/files
  Add delta 1.1243.2.32 2008.07.30.20.35.41 kmacy
 Edit src/sys/contrib/rdma/core_priv.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_addr.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_cache.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_cm.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_fmr_pool.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_mad.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_marshall.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_pack.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_sa.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_smi.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_umem.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_user_cm.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_user_mad.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_user_sa.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_user_verbs.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/ib_verbs.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/iw_cm.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/krping/getopt.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/krping/getopt.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/krping/krping.c
  Add delta 1.2.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/krping/krping.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/krping/krping_dev.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_addr.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_cache.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_cm.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_cm_ib.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_cma.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_device.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_iwcm.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_user_cm.h
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/rdma_verbs.c
  Add delta 1.1.2.1 2008.07.30.00.27.48 kmacy
 Edit src/sys/contrib/rdma/types.h
  Add delta 1.2.2.1 2008.07.30.00.27.48 kmacy
 Checkout src/sys/dev/e1000/LICENSE
 Checkout src/sys/dev/e1000/README
 Checkout src/sys/dev/e1000/e1000_80003es2lan.c
 Checkout src/sys/dev/e1000/e1000_80003es2lan.h
 Checkout src/sys/dev/e1000/e1000_82540.c
 Checkout src/sys/dev/e1000/e1000_82541.c
 Checkout src/sys/dev/e1000/e1000_82541.h
 Checkout src/sys/dev/e1000/e1000_82542.c
 Checkout src/sys/dev/e1000/e1000_82543.c
 Checkout src/sys/dev/e1000/e1000_82543.h
 Checkout src/sys/dev/e1000/e1000_82571.c
 Checkout src/sys/dev/e1000/e1000_82571.h
 Checkout src/sys/dev/e1000/e1000_82575.c
 Checkout src/sys/dev/e1000/e1000_82575.h
 Checkout src/sys/dev/e1000/e1000_api.c
 Checkout src/sys/dev/e1000/e1000_api.h
 Checkout src/sys/dev/e1000/e1000_defines.h
 Checkout src/sys/dev/e1000/e1000_hw.h
 Checkout src/sys/dev/e1000/e1000_ich8lan.c
 Checkout src/sys/dev/e1000/e1000_ich8lan.h
 Checkout src/sys/dev/e1000/e1000_mac.c
 Checkout src/sys/dev/e1000/e1000_mac.h
 Checkout src/sys/dev/e1000/e1000_manage.c
 Checkout src/sys/dev/e1000/e1000_manage.h
 Checkout src/sys/dev/e1000/e1000_nvm.c
 Checkout src/sys/dev/e1000/e1000_nvm.h
 Checkout src/sys/dev/e1000/e1000_osdep.c
 Checkout src/sys/dev/e1000/e1000_osdep.h
 Checkout src/sys/dev/e1000/e1000_phy.c
 Checkout src/sys/dev/e1000/e1000_phy.h
 Checkout src/sys/dev/e1000/e1000_regs.h
 Checkout src/sys/dev/e1000/if_em.c
 Checkout src/sys/dev/e1000/if_em.h
 Checkout src/sys/dev/e1000/if_igb.h
 Edit src/sys/kern/kern_fork.c
  Add delta 1.282.2.5 2008.07.30.09.44.40 kib
 Edit src/sys/kern/kern_synch.c
  Add delta 1.302.2.3 2008.07.30.18.28.09 rwatson
 Edit src/sys/kern/sys_process.c
  Add delta 1.145.2.1 2008.07.30.19.49.10 jhb
 Edit src/sys/kern/vfs_aio.c
  Add delta 1.233.2.2 2008.07.30.13.19.50 rwatson
 Edit src/sys/net/bpf.c
  Add delta 1.181.2.7 2008.07.30.14.04.01 rwatson
 Edit src/sys/net/if.c
  Add delta 1.273.2.4 2008.07.30.17.27.10 rwatson
 Edit src/sys/net/if.h
  Add delta 1.108.2.3 2008.07.30.00.17.40 kmacy
 Edit src/sys/net/if_ethersubr.c
  Add delta 1.236.2.4 2008.07.30.17.27.10 rwatson
 Edit src/sys/netinet/in_pcb.h
  Add delta 1.100.2.3 2008.07.30.00.18.32 kmacy
 Edit src/sys/netinet/tcp_offload.c
  Add delta 1.4.2.1 2008.07.30.00.09.15 kmacy
 Edit src/sys/netinet/tcp_offload.h
  Add delta 1.5.2.1 2008.07.30.00.09.15 kmacy
 Edit src/sys/netinet/tcp_subr.c
  Add delta 1.300.2.4 2008.07.30.20.35.41 kmacy
 Edit src/sys/netinet/tcp_syncache.c
  Add delta 1.130.2.9 2008.07.30.20.35.41 kmacy
  Add delta 1.130.2.10 2008.07.30.20.51.20 kmacy
 Edit src/sys/netinet/tcp_syncache.h
  Add delta 1.1.2.1 2008.07.30.20.35.41 kmacy
 Edit src/sys/netinet/tcp_usrreq.c
  Add delta 1.163.2.4 2008.07.30.20.35.41 kmacy
 Edit src/sys/netinet/tcp_var.h
  Add delta 1.157.2.4 2008.07.30.00.20.04 kmacy
 Edit src/sys/netinet/toedev.h
  Add delta 1.5.2.1 2008.07.30.00.16.37 kmacy
 Edit src/sys/netinet/udp_usrreq.c
  Add delta 1.218.2.1 2008.07.30.21.23.21 bz
 Edit src/sys/netinet6/ip6_input.c
  Add delta 1.95.2.1 2008.07.30.21.23.21 bz
 Edit src/sys/netinet6/ip6_var.h
  Add delta 1.39.2.2 2008.07.30.21.23.21 bz
 Edit src/sys/sys/socket.h
  Add delta 1.95.2.3 2008.07.30.19.35.40 kmacy
 Edit src/sys/ufs/ufs/ufs_lookup.c
  Add delta 1.83.2.2 2008.07.30.21.43.42 jhb
 Edit src/sys/vm/vm_object.c
  Add delta 1.385.2.2 2008.07.30.21.43.42 jhb
 Edit src/sys/vm/vm_object.h
  Add delta 1.114.2.1 2008.07.30.21.43.42 jhb
 Edit src/sys/vm/vnode_pager.c
  Add delta 1.236.2.2 2008.07.30.21.43.42 jhb
 Edit src/usr.bin/ldd/ldd.c
  Add delta 1.33.24.2 2008.07.30.03.33.49 edwin

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