The selftest gpio gpio-sim.sh started failing from Linux next-20221018 and also noticed on next-20221019 here is the test log [1] and [2].

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

# selftests: gpio: gpio-sim.sh # 1. chip_name and dev_name attributes # 1.1. Chip name is communicated to user # 1.2. chip_name returns 'none' if the chip is still pending # 1.3. Device name is communicated to user # 2. Creating and configuring simulated chips # 2.1. Default number of lines is 1 # 2.2. Number of lines can be specified # 2.3. Label can be set # 2.4. Label can be left empty # 2.5. Line names can be configured # 2.6. Line config can remain unused if offset is greater than number of lines # 2.7. Line configfs directory names are sanitized # 2.8. Multiple chips can be created # 2.9. Can't modify settings when chip is live # 2.10. Can't create line items when chip is live # 2.11. Probe errors are propagated to user-space [ 74.861454] gpio gpiochip2: (gpio-sim.0-node0): line cnt 34463 is greater than fast path cnt 512 [ 78.907553] audit: type=1334 audit(1651167801.183:10): prog-id=0 op=UNLOAD [ 78.914706] audit: type=1334 audit(1651167801.183:11): prog-id=0 op=UNLOAD # Probe error was not propagated # GPIO gpio-sim test FAIL not ok 2 selftests: gpio: gpio-sim.sh # exit=1

## Build * kernel: 6.1.0-rc1 * git: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next * git branch: master * git commit: a72b55bc981b62f7186600d06d1824f1d0612b27 * git describe: next-20221019 * test details: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221019

## Test Regressions (compared to next-20221017) * bcm2711-rpi-4-b, kselftest-gpio - gpio.gpio-sim.sh

[1] https://lkft.validation.linaro.org/scheduler/job/5702400#L1325

Test results comparison link, [2] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221019/tes...

-- Linaro LKFT https://lkft.linaro.org