Bug 1730475 - CephFS MDSRank.cc: 1301: FAILED assert(session->get_nref() == 1)
Summary: CephFS MDSRank.cc: 1301: FAILED assert(session->get_nref() == 1)
Keywords:
Status: CLOSED DUPLICATE of bug 1721165
Alias: None
Product: Red Hat Ceph Storage
Classification: Red Hat
Component: CephFS
Version: 3.2
Hardware: x86_64
OS: Linux
high
high
Target Milestone: rc
: 3.*
Assignee: Patrick Donnelly
QA Contact: ceph-qe-bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-07-16 20:06 UTC by Vikhyat Umrao
Modified: 2019-07-16 21:07 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2019-07-16 20:35:09 UTC
Target Upstream Version:

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Links
System ID Private Priority Status Summary Last Updated
Ceph Project Bug Tracker 40200 0 None None None 2019-07-16 20:14:42 UTC
Github ceph ceph pull 28467 0 None None None 2019-07-16 20:15:20 UTC

Description Vikhyat Umrao 2019-07-16 20:06:20 UTC 
Description of problem:

2019-07-16 11:07:04.039123 7f3fe1fa6700 -1 /builddir/build/BUILD/ceph-12.2.8/src/mds/MDSRank.cc: In function 'Session* MDSRank::get_session(Message*)' thread 7f3fe1fa6700 time 2019-07-16 11:07:04.034913
/builddir/build/BUILD/ceph-12.2.8/src/mds/MDSRank.cc: 1301: FAILED assert(session->get_nref() == 1)

 ceph version 12.2.8-128.0.hotfix.bz1718135.el7cp (196a006f442929557380a1778a96b427532b110c) luminous (stable)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x110) [0x55d31ffed810]
 2: (MDSRank::get_session(Message*)+0x7af) [0x55d31fcb80bf]
 3: (Server::handle_client_session(MClientSession*)+0x32) [0x55d31fd10f62]
 4: (Server::dispatch(Message*)+0x5cb) [0x55d31fd42d9b]
 5: (MDSRank::handle_deferrable_message(Message*)+0x804) [0x55d31fcafbe4]
 6: (MDSRank::_dispatch(Message*, bool)+0x1e3) [0x55d31fcc7853]
 7: (MDSRankDispatcher::ms_dispatch(Message*)+0xa0) [0x55d31fcc8720]
 8: (MDSDaemon::ms_dispatch(Message*)+0xf3) [0x55d31fca6a43]
 9: (DispatchQueue::entry()+0x792) [0x55d3202e5582]
 10: (DispatchQueue::DispatchThread::entry()+0xd) [0x55d320073d0d]
 11: (()+0x7dd5) [0x7f3fe5febdd5]
 12: (clone()+0x6d) [0x7f3fe50cbb3d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.


Version-Release number of selected component (if applicable):
RHCS 3.2.z2 + hotfix
12.2.8-128.0.hotfix.bz1718135.el7cp
Comment 4 Vikhyat Umrao 2019-07-16 20:14:42 UTC 
https://tracker.ceph.com/issues/40200
https://github.com/ceph/ceph/pull/28467
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