On 11/30/22 16:42, Zhou, Jie2X wrote: > hi Russ, > >>> Are you sure you have the proper kernel code loaded with the test >>> firmware code that creates this sysfs file? Without that, this test >>> will not work. >> Nevertheless, the error message you reported in your first email indicates >> that the test_firmware device may not be present. Did you verify that the running >> system reports the expected configs? What does the following command show? > ~# zgrep CONFIG_TEST_FIRMWARE /proc/config.gz > CONFIG_TEST_FIRMWARE=y How much of this path exists on your machine? /sys/devices/virtual/misc/test_firmware/trigger_request And is there anything in the dmesg output that indicates a failure associated with the test_firmware device? - Russ > > best regards,
