[Bug 732554] New: Watchdog sometimes expire even when stopped and causes crash.
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Tue Jul 1 06:54:51 PDT 2014
https://bugzilla.gnome.org/show_bug.cgi?id=732554
GStreamer | gst-plugins-good | unspecified
Summary: Watchdog sometimes expire even when stopped and causes
crash.
Classification: Platform
Product: GStreamer
Version: unspecified
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-good
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: goran.jonsson at axis.com
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created an attachment (id=279680)
View: https://bugzilla.gnome.org/attachment.cgi?id=279680
Review: https://bugzilla.gnome.org/review?bug=732554&attachment=279680
gst-plugins-good.patch
Watchdog sometimes expire even when stopped and causes crash.
This because of a gst_watchdog_stop
is ongoing then a gst_watchdog_src_event is stuck at mutex.
As soon as stop is finish then the gst_watchdog_src_event continue.
Then in gst_watchdog_feed, a source will be attach to default context
(since watchdog->main_context is NULL).
When this expire there are no data to gst_watchdog_trigger since
references to watchdog have been zero.
Solution is to check watchdog->main_context is not NULL before create and
attach a source.
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