On Tue Jun 18, 2024 at 1:28 PM CDT, Denys Dmytriyenko wrote:
> On Mon, Jun 17, 2024 at 06:41:57PM -0700, Khem Raj wrote:
> > On Mon, Jun 17, 2024 at 5:52 PM <[email protected]> wrote:
> > 
> > > From: Randolph Sapp <[email protected]>
> > >
> > > Remove the CXX flag "-O2" for GCC 13 and 14. There's a bug with ARM GCC
> > > that breaks the iteration of "types" in the createMeshShaderMiscTestsEXT
> > > function. This issue is not present for clang or x86_64 GCC 14.
>
> Is there an upstream bug submitted that tracks it?

Not that I know of, at least for GCC. Still trying to track down where that
should go and how to reproduce this in a way people will take it seriously.

About to have a PR in cts with two modifications to that function that also
solve the issue, though. Hoping to get more insight from them.

> > > It seems that the array is not initialized before the first iteration.
> > > In testing this can result in a random value being used. This can
> > > manifest in LINES type being processed twice, resulting in the following
> > > error:
> > >
> > > FATAL ERROR: Failed to initialize dEQP: Test case with non-unique name
> > > 'no_lines' added to group 'misc'.
> > >
> > > Signed-off-by: Randolph Sapp <[email protected]>
> > > ---
> > >  meta-oe/recipes-graphics/vk-gl-cts/vulkan-cts_1.3.7.3.bb | 3 +++
> > >  1 file changed, 3 insertions(+)
> > >
> > > diff --git a/meta-oe/recipes-graphics/vk-gl-cts/vulkan-cts_1.3.7.3.bb
> > > b/meta-oe/recipes-graphics/vk-gl-cts/vulkan-cts_1.3.7.3.bb
> > > index 1008a5fd4..7492fe9aa 100644
> > > --- a/meta-oe/recipes-graphics/vk-gl-cts/vulkan-cts_1.3.7.3.bb
> > > +++ b/meta-oe/recipes-graphics/vk-gl-cts/vulkan-cts_1.3.7.3.bb
> > > @@ -23,6 +23,9 @@ SRC_URI +=
> > > "file://0001-cmake-Define-WAYLAND_SCANNER-and-WAYLAND_PROTOCOLS_D.pat
> > >
> > >  TOOLCHAIN = "gcc"
> > >
> > > +# Workaround an optimization bug that breaks createMeshShaderMiscTestsEXT
> > > +OECMAKE_CXX_FLAGS:remove:toolchain-gcc = "-O2"
> > 
> > 
> > Let’s limit it to arm
> > And gcc using the needed overrides
> > 
> > >
> > > +
> > >  S = "${WORKDIR}/git"
> > >
> > >  REQUIRED_DISTRO_FEATURES = "vulkan"
> > > --
> > > 2.45.1
> > >
> > >

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