That backtrace is pretty generic (most every crash during replay
produces that). Can you add
debug mds = 20
debug journaler = 20
debug ms =1
to your MDS' ceph.conf, restart it, and put that log somewhere accessible?
-Greg
On Wed, Feb 20, 2013 at 11:12 PM, Steffen Thorhauer
<thorhaue@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hello,
> I have a test ceph cluster on ubuntu 12.04 and made yesterday an upgrade to 0.57 .
> But after the upgrade the mds dies.
> ceph -s says
> health HEALTH_WARN mds 0 is laggy
> monmap e2: 5 mons at {0=10.37.124.161:6789/0,1=10.37.124.162:6789/0,2=10.37.124.163:6789/0,3=10.37.124.164:6789/0,4=10.37.124.167:6789/0}, election epoch 46, quorum 0,1,2,3,4 0,1,2,3,4
> osdmap e901: 6 osds: 6 up, 6 in
> pgmap v89987: 1280 pgs: 1280 active+clean; 123 GB data, 373 GB used, 225 GB / 599 GB avail
> mdsmap e2296: 1/1/1 up {0=0=up:replay(laggy or crashed)}
> i
> I get only a crash report in
> /var/log/ceph/ceph-mds.0.log
> 0> 2013-02-21 08:04:02.892956 7f8d50955700 -1 *** Caught signal (Aborted) **
> in thread 7f8d50955700
>
> ceph version 0.57 (9a7a9d06c0623ccc116a1d3b71c765c20a17e98e)
> 1: /usr/bin/ceph-mds() [0x81b03a]
> 2: (()+0xfcb0) [0x7f8d58a59cb0]
> 3: (gsignal()+0x35) [0x7f8d57835425]
> 4: (abort()+0x17b) [0x7f8d57838b8b]
> 5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7f8d5818769d]
> 6: (()+0xb5846) [0x7f8d58185846]
> 7: (()+0xb5873) [0x7f8d58185873]
> 8: (()+0xb596e) [0x7f8d5818596e]
> 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x1df) [0x7833cf]
> 10: (EMetaBlob::replay(MDS*, LogSegment*, MDSlaveUpdate*)+0x1e34) [0x4e0d94]
> 11: (EUpdate::replay(MDS*)+0x3a) [0x4e8e1a]
> 12: (MDLog::_replay_thread()+0x438) [0x6ad448]
> 13: (MDLog::ReplayThread::entry()+0xd) [0x4cc0ad]
> 14: (()+0x7e9a) [0x7f8d58a51e9a]
> 15: (clone()+0x6d) [0x7f8d578f2cbd]
> NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
>
> --- logging levels ---
> 0/ 5 none
> 0/ 1 lockdep
> 0/ 1 context
> 1/ 1 crush
> 1/ 5 mds
> 1/ 5 mds_balancer
> 1/ 5 mds_locker
> 1/ 5 mds_log
> 1/ 5 mds_log_expire
> 1/ 5 mds_migrator
> 0/ 1 buffer
> 0/ 1 timer
> 0/ 1 filer
> 0/ 1 striper
> 0/ 1 objecter
> 0/ 5 rados
> 0/ 5 rbd
> 0/ 5 journaler
> 0/ 5 objectcacher
> 0/ 5 client
> 0/ 5 osd
> 0/ 5 optracker
> 0/ 5 objclass
> 1/ 3 filestore
> 1/ 3 journal
> 0/ 5 ms
> 1/ 5 mon
> 0/10 monc
> 0/ 5 paxos
> 0/ 5 tp
> 1/ 5 auth
> 1/ 5 crypto
> 1/ 1 finisher
> 1/ 5 heartbeatmap
> 1/ 5 perfcounter
> 1/ 5 rgw
> 1/ 5 hadoop
> 1/ 5 javaclient
> 1/ 5 asok
> 1/ 1 throttle
> -2/-2 (syslog threshold)
> -1/-1 (stderr threshold)
> max_recent 100000
> max_new 1000
> log_file /var/log/ceph/ceph-mds.0.log
> --- end dump of recent events ---
>
> Regards,
> Steffen Thorhauer
>
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