[Bug 104778] intermittent unit test crashes since mesa 17.2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104778

--- Comment #4 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
The Broadwell failure is interesting as it's clearly a memory corruption issue.
Running the dEQP-GLES31.functional.debug.* tests under valgrind, I can see a
few errors from the CTS suite :

Test case
'dEQP-GLES31.functional.debug.negative_coverage.callbacks.state.get_nuniformfv'..

==12081== Use of uninitialised value of size 8
==12081==    at 0x59B505E: ??? (in
/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.25)
==12081==    by 0x59B55A8: std::ostreambuf_iterator<char,
std::char_traits<char> > std::num_put<char, std::ostreambuf_iterator<char,
std::char_traits<char> > >::_M_insert_int<long>(std::ostreambuf_iterator<char,
std::char_traits<char> >, std::ios_base&, char, long) const (in
/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.25)
==12081==    by 0x59C1178: std::ostream& std::ostream::_M_insert<long>(long)
(in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.25)
==12081==    by 0x71CAF1: std::ostream& tcu::Format::operator<< <int
const*>(std::ostream&, tcu::Format::Array<int const*> const&) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0xD9F922: std::ostream& tcu::Format::operator<<
<int>(std::ostream&, tcu::Format::ArrayPointer<int> const&) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0xEE0160: tcu::MessageBuilder& tcu::MessageBuilder::operator<<
<tcu::Format::ArrayPointer<int> >(tcu::Format::ArrayPointer<int> const&) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0xE9E45F: glu::CallLogWrapper::glGetIntegerv(unsigned int,
int*) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0xA611D2:
deqp::gles31::Functional::NegativeTestShared::get_nuniformfv(deqp::gles31::Functional::NegativeTestShared::NegativeTestContext&)
(in /home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0x7230DF: deqp::gles31::Functional::(anonymous
namespace)::TestFunctionWrapper::call(deqp::gles31::Functional::(anonymous
namespace)::DebugMessageTestContext&) const (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0x725DA1: deqp::gles31::Functional::(anonymous
namespace)::CallbackErrorCase::iterate() (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0x6DCAD3:
deqp::gles31::TestCaseWrapper::iterate(tcu::TestCase*) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)
==12081==    by 0xF9E157:
tcu::TestSessionExecutor::iterateTestCase(tcu::TestCase*) (in
/home/djdeath/src/mesa-src/VK-GL-CTS/build-es31/modules/gles31/deqp-gles31)


I'm not sure whether that's related, might be worth fixing though (trying to
write some patches).

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