This will produce a more useful hint for those setting up or testing virgl headless:
runqemu - ERROR - No render nodes found in /dev/dri: ['by-path', 'card0']. If /dev/dri/renderD* is absent due to lack of suitable GPU, 'modprobe vgem' will create one suitable for mesa llvmpipe software renderer. as qemu itself isn't helpful: alex@Zen2:/srv/storage/alex/yocto/build-64-alt$ qemu-system-x86_64 -display egl-headless qemu-system-x86_64: egl: no drm render node available qemu-system-x86_64: egl: render node init failed Signed-off-by: Alexander Kanavin <[email protected]> --- meta/lib/oeqa/selftest/cases/runtime_test.py | 7 ------- scripts/runqemu | 10 ++++++++++ 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/meta/lib/oeqa/selftest/cases/runtime_test.py b/meta/lib/oeqa/selftest/cases/runtime_test.py index 13e8760a16..e32c4aff85 100644 --- a/meta/lib/oeqa/selftest/cases/runtime_test.py +++ b/meta/lib/oeqa/selftest/cases/runtime_test.py @@ -260,13 +260,6 @@ class TestImage(OESelftestTestCase): if distro and (distro in ['debian-9', 'debian-10', 'centos-7', 'centos-8', 'ubuntu-16.04', 'ubuntu-18.04'] or distro.startswith('almalinux')): self.skipTest('virgl headless cannot be tested with %s' %(distro)) - render_hint = """If /dev/dri/renderD* is absent due to lack of suitable GPU, 'modprobe vgem' will create one suitable for mesa llvmpipe software renderer.""" - try: - content = os.listdir("/dev/dri") - if len([i for i in content if i.startswith('render')]) == 0: - self.fail("No render nodes found in /dev/dri: %s. %s" %(content, render_hint)) - except FileNotFoundError: - self.fail("/dev/dri directory does not exist; no render nodes available on this machine. %s" %(render_hint)) qemu_distrofeatures = get_bb_var('DISTRO_FEATURES', 'qemu-system-native') features = 'IMAGE_CLASSES += "testimage"\n' if 'opengl' not in qemu_distrofeatures: diff --git a/scripts/runqemu b/scripts/runqemu index cedf4f62ad..58b0c191e1 100755 --- a/scripts/runqemu +++ b/scripts/runqemu @@ -1366,6 +1366,15 @@ class BaseConfig(object): raise RunQemuError("Failed to boot, QB_SYSTEM_NAME is NULL!") self.qemu_system = qemu_system + def check_render_nodes(self): + render_hint = """If /dev/dri/renderD* is absent due to lack of suitable GPU, 'modprobe vgem' will create one suitable for mesa llvmpipe software renderer.""" + try: + content = os.listdir("/dev/dri") + if len([i for i in content if i.startswith('render')]) == 0: + raise RunQemuError("No render nodes found in /dev/dri: %s. %s" %(content, render_hint)) + except FileNotFoundError: + raise RunQemuError("/dev/dri directory does not exist; no render nodes available on this machine. %s" %(render_hint)) + def setup_vga(self): if self.nographic == True: if self.sdl == True: @@ -1403,6 +1412,7 @@ class BaseConfig(object): self.qemu_opt += ' -display ' if self.egl_headless == True: + self.check_render_nodes() self.set_dri_path() self.qemu_opt += 'egl-headless,' else: -- 2.30.2
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