>How much of this path exists on your machine? >/sys/devices/virtual/misc/test_firmware/trigger_request This path exists. >And is there anything in the dmesg output that indicates a failure associated with >the test_firmware device? Yes. kern :info : [ 77.858068] test_firmware: loading 'test-firmware.bin' kern :info : [ 77.864705] test_firmware: loaded: 8 kern :info : [ 77.874250] test_firmware: loading 'test-firmware.bin' kern :warn : [ 77.880672] misc test_firmware: Direct firmware load for test-firmware.bin failed with error -2 kern :info : [ 77.890106] test_firmware: load of 'test-firmware.bin' failed: -2 kern :info : [ 78.896662] test_firmware: loading '' kern :info : [ 78.901059] test_firmware: load of '' failed: -22 kern :info : [ 78.907422] test_firmware: loading '' kern :err : [ 78.912278] test_firmware: failed to async load firmware kern :info : [ 78.918594] test_firmware: loading 'nope-test-firmware.bin' kern :warn : [ 78.925405] misc test_firmware: Direct firmware load for nope-test-firmware.bin failed with error -2 kern :info : [ 78.935260] Ignoring firmware sysfs fallback due to sysctl knob kern :info : [ 78.941934] test_firmware: load of 'nope-test-firmware.bin' failed: -2 kern :info : [ 78.962155] test_firmware: loading 'test-firmware.bin' kern :info : [ 78.968232] test_firmware: loaded: 9 kern :info : [ 78.986063] test_firmware: loading 'test-firmware.bin' kern :info : [ 78.992269] test_firmware: loaded: 9 kern :info : [ 79.023611] test_firmware: reset kern :info : [ 79.028466] test_firmware: batched sync firmware loading 'test-firmware.bin' 4 times best regards,
