https://bugs.kde.org/show_bug.cgi?id=356457

--- Comment #5 from Philippe Waroquiers <philippe.waroqui...@skynet.be> ---
(In reply to Joost VandeVondele from comment #3)
> just happened again, but it is really rare. (this is a 12 core server
> running valgrind +-12h a day... and this seems to happen every +- 10 days).
> Is any of the suggestions mentioned above possible without runtime overhead
> and excessive IO ?
Assuming you know which executable/test causes the bug, the first thing to try
is
the 'self-hosting', and run your test executable under valgrind self-hosted
under itself.

and/or run in a loop valgrind on the executable that gave the problem,
with the options -v -v -v -d -d -d --vgdb-stop-at=valgrindabexit
A failing run will then stop, and allow to examine the debug output of
valgrind.

The above will for sure consume CPU, but you can sleep during that time :)

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