tst_WaylandClient failed on Linux QEMU (gcc-armv7)

agent:2018/02/03 10:15:04 build.go:412: Executing instruction 30 of 37 - RunQtUnitTest
agent:2018/02/03 10:15:04 build.go:279: [taskset -c 0 make check -j1] 900 900
/home/qt/work/qt/qtwayland/tests/auto/client/client/target_wrapper.sh  ./tst_client -o /home/qt/work/testresults/tests/auto/client/client429999730,xml -o -,txt
QSocketNotifier: Can only be used with threads started with QThread
Using Wayland-EGL
********* Start testing of tst_WaylandClient *********
Config: Using QtTest library 5.10.1, Qt 5.10.1 (arm-little_endian-ilp32-eabi-hardfloat shared (dynamic) release build; by GCC 6.3.0)
PASS   : tst_WaylandClient::initTestCase()
PASS   : tst_WaylandClient::screen()
QDEBUG : tst_WaylandClient::createDestroyWindow() Using the 'wl-shell' shell integration
PASS   : tst_WaylandClient::createDestroyWindow()
PASS   : tst_WaylandClient::events()
qemu: Unsupported syscall: 385
PASS   : tst_WaylandClient::backingStore()
qemu: Unsupported syscall: 385
PASS   : tst_WaylandClient::touchDrag()
qemu: Unsupported syscall: 385
PASS   : tst_WaylandClient::mouseDrag()
qemu: Unsupported syscall: 385
PASS   : tst_WaylandClient::dontCrashOnMultipleCommits()
PASS   : tst_WaylandClient::hiddenTransientParent()
PASS   : tst_WaylandClient::hiddenPopupParent()

========= Received signal, dumping stack ==============
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 2030
(gdb) ========= End of stack trace ==============

========= Received signal, dumping stack ==============
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 2030
(gdb) ========= End of stack trace ==============
QFATAL : tst_WaylandClient::glWindow() Test function timed out
FAIL!  : tst_WaylandClient::glWindow() Received a fatal error.
   Loc: [Unknown file(0)]
Totals: 10 passed, 1 failed, 1 skipped, 0 blacklisted, 300825ms
********* Finished testing of tst_WaylandClient *********