[Digikam-devel] [Bug 277163] digikam valgrind issues during face recognition testing

[Richard Mortimer]

https://bugs.kde.org/show_bug.cgi?id=277163





--- Comment #5 from Richard Mortimer <richm+kde oldelvet org uk>  2011-07-06 17:22:58 ---
Created an attachment (id=61648)
 --> (http://bugs.kde.org/attachment.cgi?id=61648)
repeat valgrind run after upgrading all libraries to natty versions

I searched for all of the libraries that were still maverick (10.10) versions
and replaced these with the natty (11.04) versions. All had the same underlying
version number but were just the natty builds of the same library.

I reran the valgrind session and set it off detecting and recognising faces.
Whilst this was ongoing I tagged a few faces in People/Unknown.

I then aborted the recognition operation and once it had aborted I closed down
digikam. At this stage digikam died with a SIGSEGV. Unfortunately a proper
stack trace was not produced presumably because valgrind and the bug helpers do
not get along (there is a valgrind warning/bug notice in the attached output to
that effect).

There are a large number of "Invalid read of size 4" warnings towards the end
of the trace. I did not notice if any of these were produced during face
recognition/tagging but know that some of them were produced during closedown
just prior to the SIGSEGV crash.

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