Bug #23253: Assertion is raised when fetching file event in Ceph 12.2.1 - Ceph - Ceph

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Bug #23253

closed

Assertion is raised when fetching file event in Ceph 12.2.1

Added by yupeng chen about 6 years ago. Updated about 6 years ago.

Status:

Resolved

Priority:

High

Assignee:

yupeng chen

Category:

Target version:

% Done:

Source:

Community (user)

Tags:

Backport:

luminous

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

v12.2.1, v12.2.2, v12.2.3, v12.2.4

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

Our MDS run into the PurgeQueue issue mentioned in http://tracker.ceph.com/issues/19593.
Since then it had been trying respawning continually but unsuccessfully. And during one respawning, it crashed with the following backtrace:
2018-03-06 14:48:14.121164 7f34ccbff700 -1 /home/repo/rpmbuild/BUILD/ceph-12.2.1.1/src/msg/async/Event.h: In function 'EventCenter::FileEvent* EventCenter::_get_file_event(int)' thread 7f34ccbff700 time 2018-03-06 14:48:14.118004 /home/repo/rpmbuild/BUILD/ceph-12.2.1.1/src/msg/async/Event.h: 180: FAILED assert(fd < nevent)

ceph version 12.2.1.1 (28566d962f00c04cb94ee600bf896f7685b0497f) luminous (stable)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x110) [0x7f34d80b8940]
 2: (()+0x29763c) [0x7f34d7d7b63c]
 3: (EventCenter::create_file_event(int, int, EventCallback*)+0x365) [0x7f34d814e705]
 4: (EventCenter::set_owner()+0x5d9) [0x7f34d8151069]
 5: (()+0x66e0c2) [0x7f34d81520c2]
 6: (()+0xb52b0) [0x7f34d55932b0]
 7: (()+0x7e25) [0x7f34d5c18e25]
 8: (clone()+0x6d) [0x7f34d4cfb34d]

Apparently, it's caused by an index overflow.

Related issues 1 (0 open — 1 closed)