Re: mds.0 crashed with 0.61.7

[Andreas Bluemle <andreas.bluemle@itxperts.de>]

Hi Sage,

as this crash had been around for a while already: do you
know whether this had happened in ceph version 0.61.4 as well?


Best Regards

Andreas Bluemle


On Mon, 29 Jul 2013 08:47:00 -0700 (PDT)
Sage Weil <sage@inktank.com> wrote:

> Hi Andreas,
> 
> Can you reproduce this (from mkcephfs onward) with debug mds = 20 and 
> debug ms = 1?  I've seen this crash several times but never been able
> to get to the bottom of it.
> 
> Thanks!
> sage
> 
> On Mon, 29 Jul 2013, Andreas Friedrich wrote:
> 
> > Hello,
> > 
> > my Ceph test cluster runs fine with 0.61.4.
> > 
> > I have removed all data and have setup a new cluster with 0.61.7
> > using the same configuration (see ceph.conf).
> > 
> > After
> >   mkcephfs -c /etc/ceph/ceph.conf -a
> >   /etc/init.d/ceph -a start
> > the mds.0 crashed:
> > 
> >     -1> 2013-07-29 17:02:57.626886 7fba2a8cd700  1 --
> > 10.0.0.231:6800/806 <== osd.121 10.0.0.231:6834/5350 1 ====
> > osd_op_reply(4 mds_snaptable [read 0~0] ack = -2 (No such file or
> > directory)) v4 ==== 112+0+0 (2505332647 0 0) 0x13b7a30 con
> > 0x7fba20010200
> >      0> 2013-07-29 17:02:57.627838 7fba2a8cd700 -1 mds/MDSTable.cc:
> >      0> In function 'void MDSTable::load_2(int, ceph::bufferlist&,
> >      0> Context*)' thread 7fba2a8cd700 time 2013-07-29
> >      0> 17:02:57.626907
> > mds/MDSTable.cc: 150: FAILED assert(0)
> > 
> >  ceph version 0.61.7 (8f010aff684e820ecc837c25ac77c7a05d7191ff)
> >  1: (MDSTable::load_2(int, ceph::buffer::list&, Context*)+0x4cf)
> > [0x6e398f] 2: (Objecter::handle_osd_op_reply(MOSDOpReply*)+0xe1e)
> > [0x73c16e] 3: (MDS::handle_core_message(Message*)+0x93f) [0x4db2ff]
> >  4: (MDS::_dispatch(Message*)+0x2f) [0x4db3df]
> >  5: (MDS::ms_dispatch(Message*)+0x1a3) [0x4dd163]
> >  6: (DispatchQueue::entry()+0x399) [0x7ddd69]
> >  7: (DispatchQueue::DispatchThread::entry()+0xd) [0x7d343d]
> >  8: (()+0x77b6) [0x7fba2f51e7b6]
> >  9: (clone()+0x6d) [0x7fba2e15dd6d]
> >  ...
> > 
> > At this point I have no rbd, no cephfs, no ceph-fuse configured.
> > 
> >   /etc/init.d/ceph -a stop
> >   /etc/init.d/ceph -a start
> > 
> > doesn't help.
> > 
> > Any help would be appreciated.
> > 
> > Andreas Friedrich
> > ----------------------------------------------------------------------
> > FUJITSU
> > Fujitsu Technology Solutions GmbH
> > Heinz-Nixdorf-Ring 1, 33106 Paderborn, Germany
> > Tel: +49 (5251) 525-1512
> > Fax: +49 (5251) 525-321512
> > Email: andreas.friedrich@ts.fujitsu.com
> > Web: ts.fujitsu.com
> > Company details: de.ts.fujitsu.com/imprint
> > ----------------------------------------------------------------------
> > 
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-- 
Andreas Bluemle                     mailto:Andreas.Bluemle@itxperts.de
Heinrich Boell Strasse 88           Phone: (+49) 89 4317582
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