On Mon, Apr 10, 2017 at 02:04:30PM +0200, Clément Bœsch wrote:
> On Mon, Apr 10, 2017 at 01:37:54PM +0200, Michael Niedermayer wrote:
> > On Mon, Apr 10, 2017 at 08:02:34AM +0200, Clément Bœsch wrote:
> > > On Sun, Apr 09, 2017 at 11:10:16PM -0300, James Almer wrote:
> > > [...]
> > > > > is this a regression ?
> > > > 
> > > > Fate didn't always complain about this, so it's either something
> > > > introduced by a change in our tree, or a valgrind bug introduced in a
> > > > relatively recent version.
> > > > 
> > > 
> > > > The reports in
> > > > http://fate.ffmpeg.org/history.cgi?slot=x86_64-archlinux-gcc-valgrindundef
> > > > are kinda broken and report a nonsense commit as the "last known good
> > > > ref", so i can't say when it started failing.
> > > 
> > > That was because I couldn't upgrade for a long time and bumped both GCC
> > > and Valgrind (and actually the whole system) at once. Sorry, I couldn't do
> > > it gradually.
> > 
> > does your fate client have optimizations enabled ?
> > i dont see them being disabled, and iam not sure valgrind + full
> > compiler optimizations are a good idea
> > 
> > if they are enabled, please try to disable them to check if that
> > causes the false positives
> > 
> 
> Yeah actually, only --extra-cflags=-fno-tree-vectorize is needed to make
> fate-vsynth3-svq1 pass. I thought it was supposed to be disabled?
> 
> > my local valgrind shows nothing for svq1
> 

> With aed84ee4d reverted? --toolchain=valgrind-memcheck
> --disable-stripping?

reverted, yes
no toolchain, no stripping just tried it under valgrind

but thats with a relativly old gcc

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle

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