[bitbake-devel] Random Bitbake build failures

[Christopher Larson]

On Sat, Jun 4, 2016 at 11:09 AM, Nair, Sandeep (Contractor) <
Sandeep_Nair2 at cable.comcast.com> wrote:

> We are facing random failures with Bitbake builds. Bitbake is returning an
> error even when the operation succeeded on the successful retry.
>
>
>
> Eg:
>
>
>
> ERROR: Error executing a python function in
> /mnt/jenkins/workspace/PACEXI3V2-Yocto-Build/meta-rdk-comcast/recipes-extended/netzyn/
> netzyn_git.bb:
>
> Exception: IOError: [Errno 116] Stale file handle
>
>
>
> WARNING: Logfile for failed setscene task is
> /mnt/jenkins/workspace/PACEXI3V2-Yocto-Build/build-pacexi3v2/tmp/work/mips32el-rdk-linux/netzyn/1.99+gitAUTOINC+c3752ca038_c7068967a1-r0/temp/log.do_package_setscene.8946
>
> WARNING: Setscene task 1277
> (/mnt/jenkins/workspace/PACEXI3V2-Yocto-Build/meta-rdk-comcast/recipes-extended/netzyn/
> netzyn_git.bb, do_package_setscene) failed with exit code '1' - real task
> will be run instead
>
>
>
> “Setscene” is a bb attempt to use sstate cache.
>
>
>
> It says about real task will run instead. Does that mean it tried build
> locally (it should)?
>
>
>
> In all stale cases it fails in this code:
>
>
>
> File: ‘…./openembedded-core/bitbake/lib/bb/utils.py', lineno: 467,
> function: md5_file
>
>      0463:        import md5
>
>      0464:        m = md5.new()
>
>      0465:
>
>      0466:    with open(filename, "rb") as f:
>
> *** 0467:        for line in f:
>
>      0468:            m.update(line)
>
>      0469:    return m.hexdigest()
>
>      0470:
>
>
>
> As can be seen it tries use handle it was given but the file is not valid
> on remote side already. So system lib returns stale handle.
>

remote side? bitbake builds have never been supported on nfs. But yes,
generally the real task runs if the setscene fails.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
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