Sometimes our health check is not able to find a device node (cardX or renderY) after driver rebind or device rediscover. Since device nodes are recreated in detmpvfs asynchronously, give it a bit of time to do its job before we try to reopen the device for health check. (core_hotunplug:3612) DEBUG: Test requirement passed: priv->fd.drm == -1 (core_hotunplug:3612) DEBUG: reopening DRM device for health check (core_hotunplug:3612) drmtest-DEBUG: Looking for devices to open using filter 0: sys:/sys/devices/pci0000:4a/0000:4a:02.0/0000:4b:00.0/0000:4c:01.0/0000:4d:00.0 (core_hotunplug:3612) drmtest-DEBUG: Filter matched /dev/dri/card1 | /dev/dri/renderD128 (core_hotunplug:3612) drmtest-DEBUG: Opened previously opened device: /dev/dri/card1 (core_hotunplug:3612) DEBUG: running device sysfs healthcheck (core_hotunplug:3612) DEBUG: closing health checked device instance (core_hotunplug:3612) DEBUG: reopening render device for health check (core_hotunplug:3612) drmtest-DEBUG: Looking for devices to open using filter 0: sys:/sys/devices/pci0000:4a/0000:4a:02.0/0000:4b:00.0/0000:4c:01.0/0000:4d:00.0 (core_hotunplug:3612) drmtest-DEBUG: Filter matched /dev/dri/card1 | /dev/dri/renderD128 (core_hotunplug:3612) drmtest-INFO: Opened device: /dev/dri/renderD128 (core_hotunplug:3612) DEBUG: running device sysfs healthcheck (core_hotunplug:3612) DEBUG: closing health checked device instance (core_hotunplug:3612) DEBUG: Test requirement passed: healthcheck(priv, false) (core_hotunplug:3612) DEBUG: Test requirement passed: priv->fd.drm_hc == -1 (core_hotunplug:3612) igt_kmod-DEBUG: Module snd_hda_intel unloaded immediately (core_hotunplug:3612) INFO: Unloaded audio driver snd_hda_intel (core_hotunplug:3612) DEBUG: unbinding the driver from the device (core_hotunplug:3612) DEBUG: rebinding the driver to the device (core_hotunplug:3612) INFO: Realoading snd_hda_intel (core_hotunplug:3612) DEBUG: reopening DRM device for health check (core_hotunplug:3612) drmtest-DEBUG: Looking for devices to open using filter 0: sys:/sys/devices/pci0000:4a/0000:4a:02.0/0000:4b:00.0/0000:4c:01.0/0000:4d:00.0 (core_hotunplug:3612) drmtest-DEBUG: Filter matched /dev/dri/card1 | (core_hotunplug:3612) drmtest-DEBUG: Opened previously opened device: /dev/dri/card1 (core_hotunplug:3612) DEBUG: running device sysfs healthcheck (core_hotunplug:3612) DEBUG: closing health checked device instance (core_hotunplug:3612) DEBUG: reopening render device for health check (core_hotunplug:3612) drmtest-DEBUG: Looking for devices to open using filter 0: sys:/sys/devices/pci0000:4a/0000:4a:02.0/0000:4b:00.0/0000:4c:01.0/0000:4d:00.0 (core_hotunplug:3612) drmtest-DEBUG: Filter matched /dev/dri/card1 | (core_hotunplug:3612) CRITICAL: Test assertion failure function local_drm_open_driver, file ../../../usr/src/igt-gpu-tools/tests/core_hotunplug.c:130: (core_hotunplug:3612) CRITICAL: Failed assertion: fd_drm >= 0 (core_hotunplug:3612) CRITICAL: file descriptor fd_drm failed Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8830 Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/500 Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx> Cc: Petri Latvala <adrinael@xxxxxxxxxxxx> --- tests/core_hotunplug.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c index 30d9a6a576..b254447c71 100644 --- a/tests/core_hotunplug.c +++ b/tests/core_hotunplug.c @@ -501,6 +501,9 @@ static void node_healthcheck(struct hotunplug *priv, unsigned flags) static bool healthcheck(struct hotunplug *priv, bool recover) { + /* give udev some time to recreate device nodes before we continue */ + sleep(1); + /* device name may have changed, rebuild IGT device list */ igt_devices_scan(true); -- 2.41.0
