[U-Boot] ut dm pch sandbox test failures

[Stephen Warren]

On 2/25/19 4:49 PM, Stephen Warren wrote:
> On 2/21/19 4:45 PM, Stephen Warren wrote:
>> With the latest push to u-boot.git master branch, I'm seeing the 
>> following failures running test/py on sandbox:
>>
>> => ut dm pch_base
>> Test: dm_test_pch_base: pch.c
>> /var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot/test/dm/pch.c:20, 
>> dm_test_pch_base(): 0 == uclass_first_device_err(UCLASS_PCH, &dev): 
>> Expected 0, got -19
>> Test: dm_test_pch_base: pch.c (flat tree)
>> /var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot/test/dm/pch.c:20, 
>> dm_test_pch_base(): 0 == uclass_first_device_err(UCLASS_PCH, &dev): 
>> Expected 0, got -19
>> Failures: 2
>>
>> => ut dm pch_ioctl
>> Test: dm_test_pch_ioctl: pch.c
>> /var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot/test/dm/pch.c:44, 
>> dm_test_pch_ioctl(): 0 == uclass_first_device_err(UCLASS_PCH, &dev): 
>> Expected 0, got -19
>> Test: dm_test_pch_ioctl: pch.c (flat tree)
>> /var/lib/jenkins/workspace/u-boot-denx_uboot-master-build/src/u-boot/test/dm/pch.c:44, 
>> dm_test_pch_ioctl(): 0 == uclass_first_device_err(UCLASS_PCH, &dev): 
>> Expected 0, got -19
>> Failures: 2
> 
> This is some kind of incremental build problem; I deleted the build 
> results and retriggered Jenkins and everything worked fine. The exact 
> same issue and solution appeared and worked in two separate branches 
> that I test (u-boot.git master, u-boot-video.git master). Subsequently I 
> found that the following works fine:
> 
> rm -rf build-sandbox/
> git checkout 888f9aa5cac4
> ./test/py/test.py --bd sandbox --build -k test_ut
> 
> But the following reproduces the problem:
> 
> rm -rf build-sandbox/
> git checkout 97f9830849c6
> ./test/py/test.py --bd sandbox --build -k test_ut
> git checkout 888f9aa5cac4
> ./test/py/test.py --bd sandbox --build -k test_ut

I just sent "[PATCH 1/2] kbuild: make arch-dtbs target PHONY" to fix this.