Re: check-tcg errors (build-user, build-user-plugins) again

["Alex Bennée" <alex.bennee@linaro.org>]

Claudio Fontana <cfontana@suse.de> writes:

> On 12/2/20 12:16 PM, Alex Bennée wrote:
>> 
>> Claudio Fontana <cfontana@suse.de> writes:
>> 
>>> Hi Alex and all,
>>>
>>> when trying to use check-tcg (master), I am getting often these errors:
>>>
>>> $ ../configure --disable-system --disable-tools
>>>
>>> $ make -j12 check-tcg
>>>
>>> ERRO[0000] cannot find mappings for user claudio: No subgid ranges found for group "claudio" in /etc/subgid 
>>> ERRO[0000] cannot find mappings for user claudio: No subgid ranges found for group "claudio" in /etc/subgid 
>>> ERRO[0000] cannot find mappings for user claudio: No subgid ranges found for group "claudio" in /etc/subgid 
>>> Trying to pull registry.gitlab.com/qemu-project/qemu/qemu/debian11...
>>> Trying to pull registry.gitlab.com/qemu-project/qemu/qemu/fedora-cris-cross...
>>> Trying to pull registry.gitlab.com/qemu-project/qemu/qemu/debian10...
>>> ERRO[0000] cannot find mappings for user claudio: No subgid ranges found for group "claudio" in /etc/subgid 
>>>
>>> [...]
>>>   TEST    linux-test on x86_64
>>> timeout: failed to run command ‘/home/claudio/git/qemu/build/qemu-x86_64’timeout: : No such file or directoryfailed to run command ‘/home/claudio/git/qemu/build/qemu-x86_64’
>>>
>>> [...]
>>>
>>>
>>> Is there some pre-configuration on the host necessary to be able to
>>> run check-tcg?
>> 
>> There shouldn't be but those errors remind me of some of the tweaks I
>> had to make to me Gentoo system when using podman (instead of docker).
>> In the end I think I just ended up adding the lines:
>>   
>>   alex:100000:65536
>> 
>> to /etc/subgid and /etc/subgid-
>> 
>> Marc-André may have some better pointers as he added podman support to
>> the builder scripts.
>
>
> I did that and things seem a bit better, but still a lot of errors:
>
>
> 63      ../sysdeps/x86_64/start.S: No such file or directory.
>
> Error: error creating build container: The following failures happened while trying to pull image specified by "debian:bullseye-slim" based on search registries in /etc/containers/registries.conf:
> * "localhost/debian:bullseye-slim": Error initializing source docker://localhost/debian:bullseye-slim: error pinging docker registry localhost: Get https://localhost/v2/: dial tcp [::1]:443: connect: connection refused
> * "docker.io/library/debian:bullseye-slim": Error committing the finished image: error adding layer with blob "sha256:ae63fcbbc3b289e425e4c8840ccde4314f4a060cbc0345e6871a28bdc72f6fe8": Error processing tar file(exit status 1): there might not be enough IDs available in the namespace (requested 0:42 for /etc/gshadow): lchown /etc/gshadow: invalid argument
> Traceback (most recent call last):
>   File "/home/claudio/git/qemu-pristine/qemu/tests/docker/docker.py", line 709, in <module>
>     sys.exit(main())
>   File "/home/claudio/git/qemu-pristine/qemu/tests/docker/docker.py", line 705, in main
>     return args.cmdobj.run(args, argv)
>   File "/home/claudio/git/qemu-pristine/qemu/tests/docker/docker.py", line 501, in run
>     extra_files_cksum=cksum)
>   File "/home/claudio/git/qemu-pristine/qemu/tests/docker/docker.py", line 354, in build_image
>     quiet=quiet)
>   File "/home/claudio/git/qemu-pristine/qemu/tests/docker/docker.py", line 244, in _do_check
>     return subprocess.check_call(self._command + cmd, **kwargs)
>   File "/usr/lib64/python3.6/subprocess.py", line 311, in check_call
>     raise CalledProcessError(retcode, cmd)
>
>
> [...]
> Error: error pulling image "registry.gitlab.com/qemu-project/qemu/qemu/fedora-cris-cross": unable to pull registry.gitlab.com/qemu-project/
>

I'm guessing this can be fixed by adding gitlab to /etc/containers/registries.conf

I'll see if I can resurrect my podman setup because it was working before
we added the caching from gitlab.

> [...]
>
>
>
>> 
>> The main difference between the images on the registry and the local
>> versions is most add the current user so there is a clean mapping
>> between the container user and the host file-system. It's the last step
>> of the build so we still use the cached layers from the registry
>> versions.
>> 
>>> I see these errors in gitlab also for
>>>
>>> build-user
>>> build-user-plugin
>>>
>>> Maybe this is what Philippe mentioned before though, that this is
>>> expected at the moment due to a temporary Meson shortcoming?
>> 
>> That is odd - I'm not seeing anything like that on the master builds:
>> 
>>   https://gitlab.com/qemu-project/qemu/-/jobs/883985106
>>   https://gitlab.com/qemu-project/qemu/-/jobs/883985113
>> 
>> AFAIK GitLab is still using Docker to build it's containers (albeit with
>> BUILDKIT enabled).
>
>
> I am running again on gitlab the master branch, maybe there is something I need to fix, but to do that I need to enable check-tcg successfully I think.
>
> Thanks!
>
> Claudio
>
>>   
>>>
>>> Ciao,
>>>
>>> Claudio
>> 
>> 


-- 
Alex Bennée