There wasnt a package ceph-debuginfo available (Maybe bc I am running Ubuntu). Have installed those: * ceph-dbg * librados2-dbg There would be also ceph-mds-dbg and ceph-fs-common-dbg and so.. But now there are more information provided by the gdb output :) (gdb) run /usr/bin/ceph status --debug-monc=20 --debug-ms=20 --debug- rados=20 Starting program: /usr/bin/python /usr/bin/ceph status --debug-monc=20 --debug-ms=20 --debug-rados=20 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux- gnu/libthread_db.so.1". [New Thread 0x7ffff10f5700 (LWP 26739)] [New Thread 0x7ffff08f4700 (LWP 26740)] [Thread 0x7ffff10f5700 (LWP 26739) exited] [New Thread 0x7ffff10f5700 (LWP 26741)] [Thread 0x7ffff10f5700 (LWP 26741) exited] [New Thread 0x7ffff10f5700 (LWP 26742)] [Thread 0x7ffff10f5700 (LWP 26742) exited] [New Thread 0x7ffff10f5700 (LWP 26743)] [Thread 0x7ffff10f5700 (LWP 26743) exited] [New Thread 0x7ffff10f5700 (LWP 26744)] [Thread 0x7ffff10f5700 (LWP 26744) exited] [New Thread 0x7ffff10f5700 (LWP 26745)] [Thread 0x7ffff10f5700 (LWP 26745) exited] [New Thread 0x7ffff10f5700 (LWP 26746)] [New Thread 0x7fffeb885700 (LWP 26747)] 2016-05-25 16:55:30.929131 7ffff10f5700 10 monclient(hunting): build_initial_monmap 2016-05-25 16:55:30.929221 7ffff10f5700 1 librados: starting msgr at :/0 2016-05-25 16:55:30.929226 7ffff10f5700 1 librados: starting objecter [New Thread 0x7fffeb084700 (LWP 26748)] 2016-05-25 16:55:30.930288 7ffff10f5700 10 -- :/0 ready :/0 [New Thread 0x7fffea883700 (LWP 26749)] [New Thread 0x7fffea082700 (LWP 26750)] 2016-05-25 16:55:30.932251 7ffff10f5700 1 -- :/0 messenger.start [New Thread 0x7fffe9881700 (LWP 26751)] 2016-05-25 16:55:30.933277 7ffff10f5700 1 librados: setting wanted keys 2016-05-25 16:55:30.933287 7ffff10f5700 1 librados: calling monclient init 2016-05-25 16:55:30.933289 7ffff10f5700 10 monclient(hunting): init 2016-05-25 16:55:30.933279 7fffe9881700 10 -- :/3663984981 reaper_entry start 2016-05-25 16:55:30.933300 7ffff10f5700 10 monclient(hunting): auth_supported 2 method cephx 2016-05-25 16:55:30.933303 7fffe9881700 10 -- :/3663984981 reaper 2016-05-25 16:55:30.933305 7fffe9881700 10 -- :/3663984981 reaper done [New Thread 0x7fffe9080700 (LWP 26752)] [New Thread 0x7fffe887f700 (LWP 26753)] 2016-05-25 16:55:30.935485 7ffff10f5700 10 monclient(hunting): _reopen_session rank -1 name 2016-05-25 16:55:30.935495 7ffff10f5700 10 -- :/3663984981 connect_rank to 62.176.141.181:6789/0, creating pipe and registering [New Thread 0x7fffe3fff700 (LWP 26754)] 2016-05-25 16:55:30.936556 7ffff10f5700 10 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).register_pipe 2016-05-25 16:55:30.936573 7ffff10f5700 10 -- :/3663984981 get_connection mon.0 62.176.141.181:6789/0 new 0x7fffec064010 2016-05-25 16:55:30.936557 7fffe3fff700 10 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).writer: state = connecting policy.server=0 2016-05-25 16:55:30.936583 7fffe3fff700 10 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=-1 :0 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect 0 2016-05-25 16:55:30.936594 7ffff10f5700 10 monclient(hunting): picked mon.pix01 con 0x7fffec05aa30 addr 62.176.141.181:6789/0 2016-05-25 16:55:30.936600 7ffff10f5700 20 -- :/3663984981 send_keepalive con 0x7fffec05aa30, have pipe. 2016-05-25 16:55:30.936603 7fffe3fff700 10 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :0 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connecting to 62.176.141.181:6789/0 2016-05-25 16:55:30.936615 7ffff10f5700 10 monclient(hunting): _send_mon_message to mon.pix01 at 62.176.141.181:6789/0 2016-05-25 16:55:30.936618 7ffff10f5700 1 -- :/3663984981 --> 62.176.141.181:6789/0 -- auth(proto 0 30 bytes epoch 0) v1 -- ?+0 0x7fffec060450 con 0x7fffec05aa30 2016-05-25 16:55:30.936623 7ffff10f5700 20 -- :/3663984981 submit_message auth(proto 0 30 bytes epoch 0) v1 remote, 62.176.141.181:6789/0, have pipe. 2016-05-25 16:55:30.936626 7ffff10f5700 10 monclient(hunting): renew_subs 2016-05-25 16:55:30.936630 7ffff10f5700 10 monclient(hunting): authenticate will time out at 2016-05-25 17:00:30.936629 2016-05-25 16:55:30.936867 7fffe3fff700 20 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect read peer addr 62.176.141.181:6789/0 on socket 3 2016-05-25 16:55:30.936882 7fffe3fff700 20 -- :/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect peer addr for me is 62.176.141.181:38763/0 2016-05-25 16:55:30.936887 7fffe3fff700 1 -- 62.176.141.181:0/3663984981 learned my addr 62.176.141.181:0/3663984981 2016-05-25 16:55:30.936914 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect sent my addr 62.176.141.181:0/3663984981 2016-05-25 16:55:30.936922 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect sending gseq=1 cseq=0 proto=15 2016-05-25 16:55:30.936932 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect wrote (self +) cseq, waiting for reply 2016-05-25 16:55:30.937015 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=1 pgs=0 cs=0 l=1 c=0x7fffec05aa30).connect got reply tag 1 connect_seq 1 global_seq 327867 proto 15 flags 1 features 55169095435288575 2016-05-25 16:55:30.937035 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).connect success 1, lossy = 1, features 55169095435288575 2016-05-25 16:55:30.937046 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).connect starting reader [New Thread 0x7fffe3efe700 (LWP 26757)] 2016-05-25 16:55:30.938118 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer: state = open policy.server=0 2016-05-25 16:55:30.938127 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).write_keepalive2 14 2016-05-25 16:55:30.938126 2016-05-25 16:55:30.938161 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer encoding 1 features 55169095435288575 0x7fffec060450 auth(proto 0 30 bytes epoch 0) v1 2016-05-25 16:55:30.938185 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer no session security 2016-05-25 16:55:30.938197 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer sending 1 0x7fffec060450 2016-05-25 16:55:30.938216 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer: state = open policy.server=0 2016-05-25 16:55:30.938222 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer sleeping 2016-05-25 16:55:30.938201 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader reading tag... 2016-05-25 16:55:30.938238 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got KEEPALIVE_ACK 2016-05-25 16:55:30.938243 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader reading tag... 2016-05-25 16:55:30.938368 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got ACK 2016-05-25 16:55:30.938378 7fffe3efe700 15 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got ack seq 1 2016-05-25 16:55:30.938382 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader reading tag... 2016-05-25 16:55:30.938388 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got MSG 2016-05-25 16:55:30.938392 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got envelope type=4 src mon.0 front=340 data=0 off 0 2016-05-25 16:55:30.938399 7fffe3efe700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader wants 340 from dispatch throttler 0/104857600 2016-05-25 16:55:30.938406 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got front 340 2016-05-25 16:55:30.938409 7fffe3efe700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).aborted = 0 2016-05-25 16:55:30.938413 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got 340 + 0 + 0 byte message 2016-05-25 16:55:30.938427 7fffe3efe700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).No session security set 2016-05-25 16:55:30.938434 7fffe3efe700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got message 1 0x7fffd0001cb0 mon_map magic: 0 v1 2016-05-25 16:55:30.938442 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 queue 0x7fffd0001cb0 prio 196 2016-05-25 16:55:30.938450 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader reading tag... 2016-05-25 16:55:30.938453 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer: state = open policy.server=0 2016-05-25 16:55:30.938464 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).write_ack 1 2016-05-25 16:55:30.938467 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got MSG 2016-05-25 16:55:30.938471 7fffe3fff700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer: state = open policy.server=0 2016-05-25 16:55:30.938472 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got envelope type=18 src mon.0 front=33 data=0 off 0 2016-05-25 16:55:30.938475 7fffe3fff700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).writer sleeping 2016-05-25 16:55:30.938476 7fffe3efe700 10 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader wants 33 from dispatch throttler 340/104857600 2016-05-25 16:55:30.938456 7fffea883700 1 -- 62.176.141.181:0/3663984981 <== mon.0 62.176.141.181:6789/0 1 ==== mon_map magic: 0 v1 ==== 340+0+0 (3213884171 0 0) 0x7fffd0001cb0 con 0x7fffec05aa30 2016-05-25 16:55:30.938481 7fffe3efe700 20 -- 62.176.141.181:0/3663984981 >> 62.176.141.181:6789/0 pipe(0x7fffec064010 sd=3 :38763 s=2 pgs=327867 cs=1 l=1 c=0x7fffec05aa30).reader got front 33 2016-05-25 16:55:30.938484 7fffea883700 10 monclient(hunting): handle_monmap mon_map magic: 0 v1 2016-05-25 16:55:30.938485 7fffe3efe700 10 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffea883700 (LWP 26749)] 0x00007ffff3141a57 in encrypt (cct=<optimized out>, error=0x7fffea882280, out=..., in=..., this=0x7fffea882470) at auth/cephx/../Crypto.h:110 110 auth/cephx/../Crypto.h: No such file or directory. (gdb) bt #0 0x00007ffff3141a57 in encrypt (cct=<optimized out>, error=0x7fffea882280, out=..., in=..., this=0x7fffea882470) at auth/cephx/../Crypto.h:110 #1 encode_encrypt_enc_bl<CephXChallengeBlob> (cct=<optimized out>, error="", out=..., key=..., t=<synthetic pointer>) at auth/cephx/CephxProtocol.h:464 #2 encode_encrypt<CephXChallengeBlob> (cct=<optimized out>, error="", out=..., key=..., t=<synthetic pointer>) at auth/cephx/CephxProtocol.h:489 #3 cephx_calc_client_server_challenge (cct=<optimized out>, secret=..., server_challenge=9622349603176979543, client_challenge=7732813711656640623, key=key@entry=0x7fffea8824a8, ret="") at auth/cephx/CephxProtocol.cc:36 #4 0x00007ffff313aff4 in CephxClientHandler::build_request (this=0x7fffd4001520, bl=...) at auth/cephx/CephxClientHandler.cc:53 #5 0x00007ffff2fe4a79 in MonClient::handle_auth (this=this@entry=0x7ff fec006b70, m=m@entry=0x7fffd0002ee0) at mon/MonClient.cc:510 #6 0x00007ffff2fe6507 in MonClient::ms_dispatch (this=0x7fffec006b70, m=0x7fffd0002ee0) at mon/MonClient.cc:277 #7 0x00007ffff30d5dc9 in ms_deliver_dispatch (m=0x7fffd0002ee0, this=0x7fffec055410) at ./msg/Messenger.h:582 #8 DispatchQueue::entry (this=0x7fffec0555d8) at msg/simple/DispatchQueue.cc:185 #9 0x00007ffff31023bd in DispatchQueue::DispatchThread::entry (this=<optimized out>) at msg/simple/DispatchQueue.h:103 #10 0x00007ffff7bc4182 in start_thread () from /lib/x86_64-linux- gnu/libpthread.so.0 #11 0x00007ffff78f147d in clone () from /lib/x86_64-linux-gnu/libc.so.6 -----Original Message----- From: John Spray <jspray@xxxxxxxxxx> To: Mathias Buresch <mathias.buresch@xxxxxxxxxxxx> Cc: ceph-users@xxxxxxxx <ceph-users@xxxxxxxx> Subject: Re: Ceph Status - Segmentation Fault Date: Wed, 25 May 2016 15:41:51 +0100 On Wed, May 25, 2016 at 3:00 PM, Mathias Buresch <mathias.buresch@xxxxxxxxxxxx> wrote: > > 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. :) Hmm, can you try getting that backtrace again after installing the ceph-debuginfo package? Also add --debug-rados=20 to your command line (you can use all the --debug... options when you're running inside gdb to get the logs and the backtrace in one). John > > > -----Original Message----- > From: John Spray <jspray@xxxxxxxxxx> > To: Mathias Buresch <mathias.buresch@xxxxxxxxxxxx> > Cc: ceph-users@xxxxxxxx <ceph-users@xxxxxxxx> > Subject: Re: 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.buresch@xxxxxxxxxxxx> 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@xxxxxxxxxxxxxx > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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