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Date:   Wed, 30 Nov 2022 16:55:39 -0800
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Subject: Re: fw_fallback.sh test failed in Debian 11
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To:     "Zhou, Jie2X" <jie2x.zhou@intel.com>,
        "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
CC:     "shuah@kernel.org" <shuah@kernel.org>,
        "mcgrof@kernel.org" <mcgrof@kernel.org>,
        "Zhang, Tianfei" <tianfei.zhang@intel.com>,
        "linux-kselftest@vger.kernel.org" <linux-kselftest@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Li, Philip" <philip.li@intel.com>
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From:   Russ Weight <russell.h.weight@intel.com>
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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,