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Bug #13350
closed"Error cancelling global ust listener thread" errors
Status:
Resolved
Priority:
Urgent
Assignee:
-
Category:
-
Target version:
-
% Done:
0%
Source:
Q/A
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
upgrade/client-upgrade
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
See lots of those, seem benign
Run: http://pulpito.ceph.com/teuthology-2015-10-02_10:48:43-upgrade:hammer-x:point-to-point-x-infernalis-distro-basic-vps/
Logs: http://qa-proxy.ceph.com/teuthology/teuthology-2015-10-02_10:48:43-upgrade:hammer-x:point-to-point-x-infernalis-distro-basic-vps/1084366/teuthology.log
2015-10-02T11:58:48.861 INFO:tasks.workunit.client.0.vpm088.stderr:libust[20605/20605]: Error: Error cancelling global ust listener thread: No such process (in lttng_ust_exit() at lttng-ust-comm.c:1517) 2015-10-02T11:58:48.861 INFO:tasks.workunit.client.0.vpm088.stderr:libust[20605/20605]: Error: Error cancelling local ust listener thread: No such process (in lttng_ust_exit() at lttng-ust-comm.c:1526) 2015-10-02T11:58:51.073 INFO:tasks.workunit.client.0.vpm088.stdout:process_2_[20606]: listing objects. 2015-10-02T11:58:51.074 INFO:tasks.workunit.client.0.vpm088.stdout:process_2_[20606]: saw 0 objects 2015-10-02T11:58:51.074 INFO:tasks.workunit.client.0.vpm088.stdout:process_2_[20606]: shutting down. 2015-10-02T11:58:51.074 INFO:tasks.workunit.client.0.vpm088.stderr:libust[20606/20606]: Error: Error cancelling global ust listener thread: No such process (in lttng_ust_exit() at lttng-ust-comm.c:1517) 2015-10-02T11:58:51.074 INFO:tasks.workunit.client.0.vpm088.stderr:libust[20606/20606]: Error: Error cancelling local ust listener thread: No such process (in lttng_ust_exit() at lttng-ust-comm.c:1526)
From #ceph-devel chat:
sounds like a process died while someone was trying to collect data from it dmick @ 4:15 lttng is the tracing framework, for gathering execution data 4:16 gmeno yuriw: Gregorys-MacBook-Pro:ceph gmeno$ git blame ceph.spec.in | grep lttng gmeno @ 4:16 gmeno e267128c ceph.spec.in (Nathan Cutler 2015-07-15 12:54:20 +0200 169) # lttng and babeltrace for rbd-replay-prep gmeno @ 4:16
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