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Bug #643

closed

lttng enable-event followed by destroy in snapshot mode crashes LTTng

Added by Daniel U. Thibault about 11 years ago. Updated over 10 years ago.

Status:
Resolved
Priority:
High
Assignee:
David Goulet
Target version:
LTTng - 2.3
Start date:
09/25/2013
Due date:
% Done:

100%

Estimated time:

Description

Using:
lttng-modules 2.3.0-1 78c8710
lttng-tools 2.3.0-1 c9dc128
lttng-ust 2.3.0-1 9f00ce3
userspace-rcu 0.8.0-1 ca617ca
on:
Ubuntu 12.04.3 LTS precise,
3.2.0-53-virtual kernel

$ sudo -H lttng create mySession --snapshot
Spawning a session daemon
Session mySession created.
Default snapshot output set to: /root/lttng-traces/mySession-20130925-101114
Snapshot mode set. Every channel enabled for that session will be set in overwrite mode and mmap output.
$ sudo -H lttng enable-event -a -k -c newCh
All kernel events are enabled in channel newCh
$ sudo -H lttng destroy -a
Error: Kernel consumer destroy channel 33 not found
Session mySession destroyed
Error: consumer err socket second poll error
Error: Health error occurred in thread_manage_consumer
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