Peter Maydell <peter.mayd...@linaro.org> writes: > On Fri, 10 Jan 2025 at 13:23, Alex Bennée <alex.ben...@linaro.org> wrote: >> Now that we have virtio-gpu Vulkan support, let's add a test for it. >> Currently this is using images build by buildroot: >> >> https://lists.buildroot.org/pipermail/buildroot/2024-December/768196.html >> >> Reviewed-by: Thomas Huth <th...@redhat.com> >> Signed-off-by: Alex Bennée <alex.ben...@linaro.org> >> Message-Id: <20250108121054.1126164-24-alex.ben...@linaro.org> > > Hi; this test currently fails for me with a clang sanitizer > build (ubuntu 24.04 host). It seems to run weston in the guest, > which fails with: > > 2025-02-17 16:11:10,218: [16:11:10.672] Command line: weston -B > headless --renderer gl --shell kiosk -- vkmark -b:duration=1.0 > 2025-02-17 16:11:10,224: [16:11:10.675] OS: Linux, 6.11.10, #2 SMP Thu > Dec 5 16:27:12 GMT 2024, aarch64 > 2025-02-17 16:11:10,225: [16:11:10.680] Flight recorder: enabled > 2025-02-17 16:11:10,226: [16:11:10.681] warning: XDG_RUNTIME_DIR > "/tmp" is not configured > 2025-02-17 16:11:10,226: correctly. Unix access mode must be 0700 > (current mode is 0777), > 2025-02-17 16:11:10,226: and must be owned by the user UID 0 (current > owner is UID 0). > 2025-02-17 16:11:10,227: Refer to your distribution on how to get it, or > 2025-02-17 16:11:10,227: > http://www.freedesktop.org/wiki/Specifications/basedir-spec > 2025-02-17 16:11:10,228: on how to implement it. > 2025-02-17 16:11:10,240: [16:11:10.695] Starting with no config file. > 2025-02-17 16:11:10,253: [16:11:10.707] Output repaint window is 7 ms maximum. > 2025-02-17 16:11:10,262: [16:11:10.716] Loading module > '/usr/lib/libweston-14/headless-backend.so' > 2025-02-17 16:11:10,313: [16:11:10.768] Loading module > '/usr/lib/libweston-14/gl-renderer.so' > 2025-02-17 16:11:21,858: libEGL warning: egl: failed to create dri2 screen > 2025-02-17 16:11:21,959: libEGL warning: egl: failed to create dri2 screen > 2025-02-17 16:11:22,023: libEGL warning: egl: failed to create dri2 screen > 2025-02-17 16:11:22,032: [16:11:22.486] failed to initialize display > 2025-02-17 16:11:22,033: [16:11:22.488] EGL error state: > EGL_NOT_INITIALIZED (0x3001) > 2025-02-17 16:11:22,036: [16:11:22.490] fatal: failed to create > compositor backend
I guess we can catch that in the test case and fail the test. > > Then eventually the test framework times it ou and sends it > a SIGTERM, and QEMU SEGVs inside libEGL trying to run an > exit handler: > > qemu-system-aarch64: terminating on signal 15 from pid 242824 > (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-clang/pyvenv/bin/python3) > UndefinedBehaviorSanitizer:DEADLYSIGNAL > ==243045==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address > 0x73fbfefe6a31 (pc 0x73fbba9788e9 bp 0x73fbbbe0af80 sp 0x7ffd676fbfe0 > T243045) > ==243045==The signal is caused by a READ memory access. > #0 0x73fbba9788e9 > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x15788e9) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #1 0x73fbbaafc178 > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x16fc178) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #2 0x73fbba62564f > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x122564f) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #3 0x73fbbab067d7 > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x17067d7) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #4 0x73fbba63b786 > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x123b786) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #5 0x73fbba96290a > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x156290a) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #6 0x73fbba941c5c > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x1541c5c) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > #7 0x73fbc2041f20 > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0x41f20) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #8 0x73fbc2041f68 > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0x41f68) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #9 0x73fbc2034ca9 > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0x34ca9) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #10 0x73fbc203ae90 > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0x3ae90) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #11 0x73fbc203aeda > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0x3aeda) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #12 0x73fbc20a45f5 > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0xa45f5) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #13 0x73fbc20a2bfc > (/lib/x86_64-linux-gnu/libEGL_nvidia.so.0+0xa2bfc) (BuildId: > 6cd9e3e571aa104d4fa5512a5c7196617fea6b51) > #14 0x73fbd3047a75 in __run_exit_handlers stdlib/exit.c:108:8 Ok - interesting that we can corrupt the nVidia state so much it dies on cleanup. I'll try and replicate with my intel setup. > #15 0x73fbd3047bbd in exit stdlib/exit.c:138:3 > #16 0x5a5bab5e3fdb in qemu_default_main > /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-clang/../../system/main.c:52:5 > #17 0x5a5bab5e3f9e in main > /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-clang/../../system/main.c:76:9 > #18 0x73fbd302a1c9 in __libc_start_call_main > csu/../sysdeps/nptl/libc_start_call_main.h:58:16 > #19 0x73fbd302a28a in __libc_start_main csu/../csu/libc-start.c:360:3 > #20 0x5a5ba9c5b554 in _start > (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-clang/qemu-system-aarch64+0x15dc554) > (BuildId: 8efda3601b42aa2644dde35d1d63f7b22b649a33) > > UndefinedBehaviorSanitizer can not provide additional info. > SUMMARY: UndefinedBehaviorSanitizer: SEGV > (/lib/x86_64-linux-gnu/libnvidia-eglcore.so.535.183.01+0x15788e9) > (BuildId: 24b0d0b90369112e3de888a93eb8d7e00304a6db) > ==243045==ABORTING > > thanks > -- PMM -- Alex Bennée Virtualisation Tech Lead @ Linaro
