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From:   "Zhou, Jie2X" <jie2x.zhou@intel.com>
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Subject: fw_fallback.sh test failed in Debian 11
Thread-Topic: fw_fallback.sh test failed in Debian 11
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Date:   Tue, 29 Nov 2022 02:35:12 +0000
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hi,=0A=
=0A=
fw_fallback.sh test failed.=0A=
The error may caused by failed to write /sys/devices/virtual/misc/test_firm=
ware/trigger_request.=0A=
=0A=
diff firmware/fw_fallback.sh_org firmware/fw_fallback.sh=0A=
165c164,165=0A=
<       echo -n "nope-$NAME" >"$DIR"/trigger_request 2>/dev/null &=0A=
---=0A=
>       echo "echo -n \"nope-$NAME\" >\"$DIR\"/trigger_request &"=0A=
>       echo -n "nope-$NAME" >"$DIR"/trigger_request &=0A=
=0A=
# Test request_partial_firmware_into_buf() off=3D1 size=3D6 nofile: OK=0A=
# Test request_partial_firmware_into_buf() off=3D2 size=3D10 nofile: OK=0A=
# echo -n "nope-test-firmware.bin" >"/sys/devices/virtual/misc/test_firmwar=
e"/trigger_request &=0A=
# ./fw_fallback.sh: line 165: echo: write error: No such file or directory=
=0A=
# ./fw_fallback.sh: fallback mechanism immediately cancelled=0A=
=0A=
$ echo -n "nope-test-firmware.bin" >/sys/devices/virtual/misc/test_firmware=
/trigger_request =0A=
-bash: echo: write error: No such file or directory=0A=
=0A=
test OS: Debian 11=0A=
test kernel: v6.1-rc6=0A=
=0A=
test output:=0A=
# ./fw_fallback.sh: fallback mechanism immediately cancelled=0A=
# =0A=
# The file never appeared: /sys/devices/virtual/misc/test_firmware/nope-tes=
t-firmware.bin/loading=0A=
# =0A=
# This might be a distribution udev rule setup by your distribution=0A=
# to immediately cancel all fallback requests, this must be=0A=
# removed before running these tests. To confirm look for=0A=
# a firmware rule like /lib/udev/rules.d/50-firmware.rules=0A=
# and see if you have something like this:=0A=
# =0A=
# SUBSYSTEM=3D=3D"firmware", ACTION=3D=3D"add", ATTR{loading}=3D"-1"=0A=
# =0A=
# If you do remove this file or comment out this line before=0A=
# proceeding with these tests.=0A=
not ok 1 selftests: firmware: fw_run_tests.sh # exit=3D1=0A=
=0A=
There is not /lib/udev/rules.d/50-firmware.rules in Debian 11.=0A=
How can fw_run_tests.sh run successfully in Debian 11?=0A=
=0A=
best regards,=