From: Aníbal Limón Date: Fri, 14 Oct 2016 15:48:39 +0000 (-0500) Subject: bitbake: bb.event: fix infinite loop on print_ui_queue X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=924ca1037c86b9e18ebe9f473df134162ccd570d;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git bitbake: bb.event: fix infinite loop on print_ui_queue If bitbake ends before _uiready and bb.event.LogHandler was add to the bitbake logger it causes an infinite loop when logging something. The scenario is print_ui_queue is called at exit and executes the log handlers [2] one of them is bb.event.LogHandler this handler appends the same entry to ui_queue causing the inifine loop [3]. In order to fix a new copy of the ui_queue list is created when iterate ui_queue. [YOCTO #10399] [1] https://bugzilla.yoctoproject.org/show_bug.cgi?id=10399#c0 [2] http://git.openembedded.org/bitbake/tree/lib/bb/event.py?id=41d9cd41d40b04746c82b4a940dca47df02514fc#n156 [3] http://git.openembedded.org/bitbake/tree/lib/bb/event.py?id=41d9cd41d40b04746c82b4a940dca47df02514fc#n164 (Bitbake rev: 46fecca9d531a07788b5cac8b2dc6a8267d8b6d0) Signed-off-by: Aníbal Limón Signed-off-by: Richard Purdie --- diff --git a/bitbake/lib/bb/event.py b/bitbake/lib/bb/event.py index c5a5f94dee2..6f1cb101fc2 100644 --- a/bitbake/lib/bb/event.py +++ b/bitbake/lib/bb/event.py @@ -139,7 +139,7 @@ def print_ui_queue(): # First check to see if we have any proper messages msgprint = False - for event in ui_queue: + for event in ui_queue[:]: if isinstance(event, logging.LogRecord): if event.levelno > logging.DEBUG: if event.levelno >= logging.WARNING: @@ -153,7 +153,7 @@ def print_ui_queue(): # Nope, so just print all of the messages we have (including debug messages) logger.addHandler(stdout) - for event in ui_queue: + for event in ui_queue[:]: if isinstance(event, logging.LogRecord): logger.handle(event)