linux-next: test failure after merge of the kunit-next tree

[Mark Brown]

Hi all,

After merging the kunit-next tree, today's linux-next build
(arm64 kunit) failed like this:

[22:59:27] Configuring KUnit Kernel ...
[22:59:27] Building KUnit Kernel ...
Populating config with:
$ make ARCH=arm64 O=/tmp/next/arm64_kunit olddefconfig CROSS_COMPILE=aarch64-linux-gnu-
Building with:
$ make all compile_commands.json scripts_gdb ARCH=arm64 O=/tmp/next/arm64_kunit --jobs=192 CROSS_COMPILE=aarch64-linux-gnu-
[22:59:30] Starting KUnit Kernel (1/1)...
Running tests with:
$ qemu-system-aarch64 -nodefaults -m 1024 -kernel /tmp/next/arm64_kunit/arch/arm64/boot/Image.gz -append 'kunit.enable=1 console=ttyAMA0 kunit_shutdown=reboot' -no-reboot -nographic -accel kvm -accel hvf -accel tcg -serial stdio -machine virt -cpu max
[23:00:36] ============================================================
[23:00:36] ========== gpio-unbind-with-consumers (1 subtest) ==========
[23:00:36] # gpio_unbind_with_consumers: ASSERTION FAILED at drivers/gpio/gpiolib-kunit.c:393
[23:00:36] Expected ret == 0x0001, but
[23:00:36]     ret == 0 (0x0)
[23:00:36]     0x0001 == 1 (0x1)
[23:00:36] [FAILED] gpio_unbind_with_consumers
[23:00:36] # module: gpiolib_kunit
[23:00:36] =========== [FAILED] gpio-unbind-with-consumers ============
[23:00:36] # gpio-swnode-hog:     # failed to initialize (-17)
[23:00:36] [FAILED] gpio-swnode-hog
[23:00:36] ============================================================
[23:00:36] Testing complete. Ran 9377 tests: passed: 9284, failed: 2, skipped: 91
[23:00:36] Failures: gpio-unbind-with-consumers, gpio-swnode-hog
[23:00:36] Test results stored in /tmp/next/arm64_kunit.json
[23:00:36] Elapsed time: 69.716s total, 0.002s configuring, 3.680s building, 66.027s running

This is caused by commit

  a05cfd98c5eca (gpio: kunit: add test cases for software node hogs)

which was from the gpio-brgl tree, it has only just become visible since 

  34b5c0132952c (kunit: configs: enable GPIO kunit test cases in all_tests.config)

was added causing the gpiolib tests to actually be run though neither of
these commits was added today (the KUnit tree did not change for a
while).  I'm not clear why this has started failing today, presumably
some third commit from another tree has started triggering a regression
since neither of these trees has changed.

I have left this for today.

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