I don't know what exactly is segfaulting. Here ist the output with command line flags and gdb (I can't really notice erros in that output):
# ceph -s --debug-monc=20 --debug-ms=20 2016-05-25 14:51:02.406135 7f188300a700 10 monclient(hunting): build_initial_monmap 2016-05-25 14:51:02.406444 7f188300a700 10 -- :/0 ready :/0 2016-05-25 14:51:02.407214 7f188300a700 1 -- :/0 messenger.start 2016-05-25 14:51:02.407261 7f188300a700 10 monclient(hunting): init 2016-05-25 14:51:02.407291 7f188300a700 10 monclient(hunting): auth_supported 2 method cephx 2016-05-25 14:51:02.407312 7f187b7fe700 10 -- :/2987460054 reaper_entry start 2016-05-25 14:51:02.407380 7f187b7fe700 10 -- :/2987460054 reaper 2016-05-25 14:51:02.407383 7f187b7fe700 10 -- :/2987460054 reaper done 2016-05-25 14:51:02.407638 7f188300a700 10 monclient(hunting): _reopen_session rank -1 name 2016-05-25 14:51:02.407646 7f188300a700 10 -- :/2987460054 connect_rank to 62.176.141.181:6789/0, creating pipe and registering 2016-05-25 14:51:02.407686 7f188300a700 10 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).register_pipe 2016-05-25 14:51:02.407698 7f188300a700 10 -- :/2987460054 get_connection mon.0 62.176.141.181:6789/0 new 0x7f187c064010 2016-05-25 14:51:02.407693 7f1879ffb700 10 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).writer: state = connecting policy.server=0 2016-05-25 14:51:02.407723 7f1879ffb700 10 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect 0 2016-05-25 14:51:02.407738 7f188300a700 10 monclient(hunting): picked mon.pix01 con 0x7f187c05aa50 addr 62.176.141.181:6789/0 2016-05-25 14:51:02.407745 7f188300a700 20 -- :/2987460054 send_keepalive con 0x7f187c05aa50, have pipe. 2016-05-25 14:51:02.407744 7f1879ffb700 10 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :0 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connecting to 62.176.141.181:6789/0 2016-05-25 14:51:02.407759 7f188300a700 10 monclient(hunting): _send_mon_message to mon.pix01 at 62.176.141.181:6789/0 2016-05-25 14:51:02.407763 7f188300a700 1 -- :/2987460054 --> 62.176.141.181:6789/0 -- auth(proto 0 30 bytes epoch 0) v1 -- ?+0 0x7f187c060380 con 0x7f187c05aa50 2016-05-25 14:51:02.407768 7f188300a700 20 -- :/2987460054 submit_message auth(proto 0 30 bytes epoch 0) v1 remote, 62.176.141.181:6789/0, have pipe. 2016-05-25 14:51:02.407773 7f188300a700 10 monclient(hunting): renew_subs 2016-05-25 14:51:02.407777 7f188300a700 10 monclient(hunting): authenticate will time out at 2016-05-25 14:56:02.407777 2016-05-25 14:51:02.408128 7f1879ffb700 20 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect read peer addr 62.176.141.181:6789/0 on socket 3 2016-05-25 14:51:02.408144 7f1879ffb700 20 -- :/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect peer addr for me is 62.176.141.181:37964/0 2016-05-25 14:51:02.408148 7f1879ffb700 1 -- 62.176.141.181:0/2987460054 learned my addr 62.176.141.181:0/2987460054 2016-05-25 14:51:02.408188 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect sent my addr 62.176.141.181:0/2987460054 2016-05-25 14:51:02.408197 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect sending gseq=1 cseq=0 proto=15 2016-05-25 14:51:02.408207 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect wrote (self +) cseq, waiting for reply 2016-05-25 14:51:02.408259 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=1 pgs=0 cs=0 l=1 c=0x7f187c05aa50).connect got reply tag 1 connect_seq 1 global_seq 327710 proto 15 flags 1 features 55169095435288575 2016-05-25 14:51:02.408269 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).connect success 1, lossy = 1, features 55169095435288575 2016-05-25 14:51:02.408280 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).connect starting reader 2016-05-25 14:51:02.408325 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer: state = open policy.server=0 2016-05-25 14:51:02.408343 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).write_keepalive2 14 2016-05-25 14:51:02.408342 2016-05-25 14:51:02.408378 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer encoding 1 features 55169095435288575 0x7f187c060380 auth(proto 0 30 bytes epoch 0) v1 2016-05-25 14:51:02.408356 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader reading tag... 2016-05-25 14:51:02.408406 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer no session security 2016-05-25 14:51:02.408415 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer sending 1 0x7f187c060380 2016-05-25 14:51:02.408453 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer: state = open policy.server=0 2016-05-25 14:51:02.408455 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got KEEPALIVE_ACK 2016-05-25 14:51:02.408463 7f1879ffb700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer sleeping 2016-05-25 14:51:02.408482 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader reading tag... 2016-05-25 14:51:02.408696 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got ACK 2016-05-25 14:51:02.408713 7f1879efa700 15 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got ack seq 1 2016-05-25 14:51:02.408721 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader reading tag... 2016-05-25 14:51:02.408732 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got MSG 2016-05-25 14:51:02.408739 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got envelope type=4 src mon.0 front=340 data=0 off 0 2016-05-25 14:51:02.408751 7f1879efa700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader wants 340 from dispatch throttler 0/104857600 2016-05-25 14:51:02.408763 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got front 340 2016-05-25 14:51:02.408770 7f1879efa700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).aborted = 0 2016-05-25 14:51:02.408776 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got 340 + 0 + 0 byte message 2016-05-25 14:51:02.408801 7f1879efa700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).No session security set 2016-05-25 14:51:02.408813 7f1879efa700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader got message 1 0x7f186c001cb0 mon_map magic: 0 v1 2016-05-25 14:51:02.408827 7f1879efa700 20 -- 62.176.141.181:0/2987460054 queue 0x7f186c001cb0 prio 196 2016-05-25 14:51:02.408837 7f1879efa700 20 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).reader reading tag... 2016-05-25 14:51:02.408851 7f1879ffb700 10 -- 62.176.141.181:0/2987460054 >> 62.176.141.181:6789/0 pipe(0x7f187c064010 sd=3 :37964 s=2 pgs=327710 cs=1 l=1 c=0x7f187c05aa50).writer: state = open policy.server=0 Segmentation fault (gdb) run /usr/bin/ceph status Starting program: /usr/bin/python /usr/bin/ceph status [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux- gnu/libthread_db.so.1". [New Thread 0x7ffff10f5700 (LWP 23401)] [New Thread 0x7ffff08f4700 (LWP 23402)] [Thread 0x7ffff10f5700 (LWP 23401) exited] [New Thread 0x7ffff10f5700 (LWP 23403)] [Thread 0x7ffff10f5700 (LWP 23403) exited] [New Thread 0x7ffff10f5700 (LWP 23404)] [Thread 0x7ffff10f5700 (LWP 23404) exited] [New Thread 0x7ffff10f5700 (LWP 23405)] [Thread 0x7ffff10f5700 (LWP 23405) exited] [New Thread 0x7ffff10f5700 (LWP 23406)] [Thread 0x7ffff10f5700 (LWP 23406) exited] [New Thread 0x7ffff10f5700 (LWP 23407)] [Thread 0x7ffff10f5700 (LWP 23407) exited] [New Thread 0x7ffff10f5700 (LWP 23408)] [New Thread 0x7fffeb885700 (LWP 23409)] [New Thread 0x7fffeb084700 (LWP 23410)] [New Thread 0x7fffea883700 (LWP 23411)] [New Thread 0x7fffea082700 (LWP 23412)] [New Thread 0x7fffe9881700 (LWP 23413)] [New Thread 0x7fffe9080700 (LWP 23414)] [New Thread 0x7fffe887f700 (LWP 23415)] [New Thread 0x7fffe807e700 (LWP 23416)] [New Thread 0x7fffe7f7d700 (LWP 23419)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffea883700 (LWP 23411)] 0x00007ffff3141a57 in ?? () from /usr/lib/librados.so.2 (gdb) bt #0 0x00007ffff3141a57 in ?? () from /usr/lib/librados.so.2 #1 0x00007ffff313aff4 in ?? () from /usr/lib/librados.so.2 #2 0x00007ffff2fe4a79 in ?? () from /usr/lib/librados.so.2 #3 0x00007ffff2fe6507 in ?? () from /usr/lib/librados.so.2 #4 0x00007ffff30d5dc9 in ?? () from /usr/lib/librados.so.2 #5 0x00007ffff31023bd in ?? () from /usr/lib/librados.so.2 #6 0x00007ffff7bc4182 in start_thread () from /lib/x86_64-linux- gnu/libpthread.so.0 #7 0x00007ffff78f147d in clone () from /lib/x86_64-linux-gnu/libc.so.6 Does that help? I cant really see where the error is. :) -----Original Message----- From: John Spray <jsp...@redhat.com> To: Mathias Buresch <mathias.bure...@de.clara.net> Cc: ceph-us...@ceph.com <ceph-us...@ceph.com> Subject: Re: [ceph-users] Ceph Status - Segmentation Fault Date: Wed, 25 May 2016 10:16:55 +0100 On Mon, May 23, 2016 at 12:41 PM, Mathias Buresch <mathias.bure...@de.clara.net> wrote: > > Please found the logs with higher debug level attached to this email. You've attached the log from your mon, but it's not your mon that's segfaulting, right? You can use normal ceph command line flags to crank up the verbosity on the CLI too (--debug-monc=20 --debug-ms=20 spring to mind). You can also run the ceph CLI in gdb like this: gdb python (gdb) run /usr/bin/ceph status ... hopefully it crashes and then ... (gdb) bt Cheers, John > > > > Kind regards > Mathias > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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