Two action items here.

a) The stack below.
Stack is on LInux 64 bits nIghly 2010-10-19

> Tue Oct 19 18:48:05 [conn814] getmore local.oplog.rs
> cid:6071923066164747761 getMore: { ts:

} bytes:20 nreturned:0 3156ms
> Tue Oct 19 18:48:08 [conn3309] MessagingPort say send() errno:32
> Broken pipe xxx :27019
> Tue Oct 19 18:48:08 [conn3309] MessagingPort say send() errno:32
> Broken pipe xxx :27019
> Tue Oct 19 18:48:08 terminate() called, printing stack:
> 0x84f1de 0x3f81abcdb6 0x3f81abc16b 0x3f81abcc43 0x3f7d208978
> 0x3f7d208cea 0x828259 0x83545d 0x7a1f33 0x7a391a 0x60c105 0x61030f
> 0x71b99a 0x721267 0x852659 0x865ac0 0x3f7b60673d 0x3f7aad3d1d
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo11myterminateEv+0x4e) [0x84f1de]
> /usr/lib64/libstdc++.so.6 [0x3f81abcdb6]
> /usr/lib64/libstdc++.so.6 [0x3f81abc16b]
> /usr/lib64/libstdc++.so.6(__gxx_personality_v0+0x353) [0x3f81abcc43]
> /lib64/libgcc_s.so.1 [0x3f7d208978]
> /lib64/libgcc_s.so.1(_Unwind_Resume+0x9a) [0x3f7d208cea]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo16MoveTimingHelperD1Ev+0x169)
> [0x828259]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo16MoveChunkCommand3runERKSsRNS_7BSONObjERSsRNS_14BSONObjBuilderEb+0x541d)
> [0x83545d]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo11execCommandEPNS_7CommandERNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0x5a3)
> [0x7a1f33]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_10BufBuilderERNS_14BSONObjBuilderEbi+0x7da)
> [0x7a391a]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo11runCommandsEPKcRNS_7BSONObjERNS_5CurOpERNS_10BufBuilderERNS_14BSONObjBuilderEbi+0x35)
> [0x60c105]
> /home/david/mongodb/latest/bin/mongod(ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1+0x34cf)
> [0x61030f]
> /home/david/mongodb/latest/bin/mongod [0x71b99a]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_8SockAddrE+0x12d7)
> [0x721267]
> /home/david/mongodb/latest/bin/mongod(_ZN5mongo10connThreadEPNS_13MessagingPortE+0x299)
> [0x852659]
> /home/david/mongodb/latest/bin/mongod(thread_proxy+0x80) [0x865ac0]
> /lib64/libpthread.so.0 [0x3f7b60673d]
> /lib64/libc.so.6(clone+0x6d) [0x3f7aad3d1d]
> Tue Oct 19 18:48:08 Got signal: 6 (Aborted).

b) a consequence of that stack, if it happens in the receiver shard, is that the donnor might have updated its global state on s/d_migrate.cpp, comment 5.a. shardingState must be reverted if migrate aborts