Re: [yocto] do_package error after building meta-tensorflow and libcamera-apps does not detect tensorflow-lite

On 9/13/25 11:57, ashish shrikhande6 via lists.yoctoproject.org wrote:
> **
> *CAUTION: This email comes from a non Wind River email account!*
> Do not click links or open attachments unless you recognize the sender 
> and know the content is safe.
> I am facing two issues in building meta-tensorflow. I am trying to 
> build tensorflow-lite in latest Yocto whinlatter for Raspberrypi5 target.
> When I get try to build tensorflow-lite
> I get below error:
> ***********************************************************************************************************************************************
> ERROR: tensorflow-lite-2.19.0-r0 do_package: Error executing a python 
> function in exec_func_python() autogenerated:
> The stack trace of python calls that resulted in this 
> exception/failure was:
> File: 'exec_func_python() autogenerated', lineno: 2, function: <module>
>      0001:
>  *** 0002:sstate_report_unihash(d)
>      0003:
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/meta/classes-global/sstate.bbclass', 
> lineno: 917, function: sstate_report_unihash
>      0913:    report_unihash = getattr(bb.parse.siggen, 
> 'report_unihash', None)
>      0914:
>      0915:    if report_unihash:
>      0916:        ss = sstate_state_fromvars(d)
>  *** 0917:        report_unihash(os.getcwd(), ss['task'], d)
>      0918:}
>      0919:
>      0920:#
>      0921:# Shell function to decompress and prepare a package for 
> installation
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/bitbake/lib/bb/siggen.py', 
> lineno: 784, function: report_unihash
>      0780:
>      0781:            if "." in self.method:
>      0782:                (module, method) = self.method.rsplit('.', 1)
>      0783:                locs['method'] = 
> getattr(importlib.import_module(module), method)
>  *** 0784:                outhash = bb.utils.better_eval('method(path, 
> sigfile, task, d)', locs)
>      0785:            else:
>      0786:                outhash = bb.utils.better_eval(self.method + 
> '(path, sigfile, task, d)', locs)
>      0787:
>      0788:            try:
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/bitbake/lib/bb/utils.py', 
> lineno: 487, function: better_eval
>      0483:    if extraglobals:
>      0484:        ctx = copy.copy(ctx)
>      0485:        for g in extraglobals:
>      0486:            ctx[g] = extraglobals[g]
>  *** 0487:    return eval(source, ctx, locals)
>      0488:
>      0489:@contextmanager
>      0490:def fileslocked(files, *args, **kwargs):
>      0491:    """Context manager for locking and unlocking file locks. 
> Uses
> File: '<string>', lineno: 1, function: <module>
>   File "<string>", line 1, in <module>
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/meta/lib/oe/sstatesig.py', 
> lineno: 722, function: OEOuthashBasic
>      0718:                update_hash("\n")
>      0719:
>      0720:            # Process this directory and all its child files
>      0721:            if include_root or root != ".":
>  *** 0722:                process(root)
>      0723:            for f in files:
>      0724:                if f == 'fixmepath':
>      0725:                    continue
>      0726:                process(os.path.join(root, f))
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/meta/lib/oe/sstatesig.py', 
> lineno: 661, function: process
>      0657:                    except KeyError as e:
>      0658:                        msg = ("KeyError: %s\nPath %s is 
> owned by uid %d, gid %d, which doesn't match "
>      0659:                            "any user/group on target. This 
> may be due to host contamination." %
>      0660:                            (e, os.path.abspath(path), 
> s.st_uid, s.st_gid))
>  *** 0661:                        raise 
> Exception(msg).with_traceback(e.__traceback__)
>      0662:
>      0663:                if include_timestamps:
>      0664:                    # Need to clamp to SOURCE_DATE_EPOCH
>      0665:                    if s.st_mtime > source_date_epoch:
> File: 
> '/home/ashish/raspberrypi5_whinlater/poky/meta/lib/oe/sstatesig.py', 
> lineno: 655, function: process
>      0651:                    else:
>      0652:                        add_perm(stat.S_IXOTH, 'x')
>      0653:
>      0654:                    try:
>  *** 0655:                        update_hash(" %10s" % 
> pwd.getpwuid(s.st_uid).pw_name)
>      0656:                        update_hash(" %10s" % 
> grp.getgrgid(s.st_gid).gr_name)
>      0657:                    except KeyError as e:
>      0658:                        msg = ("KeyError: %s\nPath %s is 
> owned by uid %d, gid %d, which doesn't match "
>      0659:                            "any user/group on target. This 
> may be due to host contamination." %
> Exception: Exception: KeyError: 'getpwuid(): uid not found: 1000'
> Path 
> /home/ashish/raspberrypi5_whinlater/poky/build/tmp/work/cortexa76-poky-linux/tensorflow-lite/2.19.0/sstate-build-package/package/usr/lib/python3.13/site-packages/tflite_runtime 
> is owned by uid 1000, gid 1000, which doesn't match any user/group on 
> target. This may be due to host contamination.
> ERROR: Logfile of failure stored in: 
> /home/ashish/raspberrypi5_whinlater/poky/build/tmp/work/cortexa76-poky-linux/tensorflow-lite/2.19.0/temp/log.do_package.4189490
> NOTE: recipe tensorflow-lite-2.19.0-r0: task do_package: Failed

 From the log, it should be the issue of sstate cache, such as two 
builds share one sstate share

in 1st build, build tensorflow-lite, and then in 2nd build, it resue the 
sstate cache of 1st build.

when you rebuilt from scratch (bitbake tensorflow-lite -cceansstate && 
bitbake tensorflow-lite)

or trigger do_install rebuild will fix the issue

> ********************************************************************************************************************************************************************************************************
> After I comment below part from recipe it successfully build it:
>     ${STAGING_BINDIR_NATIVE}/pip3 install --disable-pip-version-check -v \
>         -t ${D}/${PYTHON_SITEPACKAGES_DIR} --no-cache-dir --no-deps \
> ${S}/tensorflow/lite/tools/pip_package/gen/tflite_pip/python3/dist/tflite_runtime-${PV}*cp313*.whl
>     rm -rf ${D}${PYTHON_SITEPACKAGES_DIR}/tflite_runtime-${PV}.dist-info
> Since I wanted to build rpicam-apps (libcamera-apps) with 
> tensorflow-lite support I commented above part as wheel is not required.
> When I build  libcamera-apps, since meta-tensorflow uses bazel to 
> build, it does not generate libtensorflowlite.pc for libcamera-apps to 
> integrate.

By default, no libtensorflowlite.pc is provided for now, you could 
manually add the libtensorflowlite.pc to along with recipe and install 
it in task do_install

//Hongxu

> How to solve these issues? I am new to Yocto and looking for some help?
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> View/Reply Online (#65829):https://lists.yoctoproject.org/g/yocto/message/65829
> Mute This Topic:https://lists.yoctoproject.org/mt/115218449/3617049
> Group Owner:[email protected]
> Unsubscribe:https://lists.yoctoproject.org/g/yocto/unsub  [[email protected]]
> -=-=-=-=-=-=-=-=-=-=-=-
>