Am 24.03.2015 um 12:12 schrieb Richard Purdie:
> On Tue, 2015-03-24 at 12:00 +0100, Steffen Sledz wrote:
>> We hit the following problem in oe-classic. And we're not sure if this
>> problem may occur in current oe too, or if it is fixed there.
>>
>> They are two or more recipes (may be in different layers) for packages with
>> sources from the same (git) repository. If the fetching from the repo needs
>> some time we see "file changed as we read it" errors in all likelihood.
>>
>> ------------------> snip <-------------------
>> ERROR: Error evaluating '${PF}:${P}:${PN}:${BP}:${BPN}:files:.'
>> Traceback (most recent call last):
>> File "/CACHE/jenkins-workspace/foo/bitbake/lib/bb/data_smart.py", line
>> 116, in expandWithRefs
>> s = __expand_var_regexp__.sub(varparse.var_sub, s)
>> File "/CACHE/jenkins-workspace/foo/bitbake/lib/bb/data_smart.py", line 60,
>> in var_sub
>> var = self.d.getVar(key, 1)
>> File "/CACHE/jenkins-workspace/foo/bitbake/lib/bb/data_smart.py", line
>> 260, in getVar
>> return self.expand(value, var)
>> File "/CACHE/jenkins-workspace/foo/bitbake/lib/bb/data_smart.py", line
>> 132, in expand
>> return self.expandWithRefs(s, varname).value
>> File "/CACHE/jenkins-workspace/foo/bitbake/lib/bb/data_smart.py", line
>> 116, in expandWithRefs
>> s = __expand_var_regexp__.sub(varparse.var_sub, s)
>> FetchError: Fetch command export HOME="/var/lib/jenkins"; export
>> PATH="/CACHE/jenkins-workspace/foo/OE//bin:/CACHE/jenkins-workspace/foo/openembedded/bin:/CACHE/jenkins-workspace/foo/OE/tmp.7/sysroots/x86_64-linux/usr/armv5te/bin:/CACHE/jenkins-workspace/foo/OE/tmp.7/sysroots/x86_64-linux/usr/sbin:/CACHE/jenkins-workspace/foo/OE/tmp.7/sysroots/x86_64-linux/usr/bin:/CACHE/jenkins-workspace/foo/OE/tmp.7/sysroots/x86_64-linux/sbin:/CACHE/jenkins-workspace/foo/OE/tmp.7/sysroots/x86_64-linux//bin:/CACHE/jenkins-workspace/foo/OE/bin-HYP-6339:/CACHE/jenkins-workspace/foo/bitbake/bin:/sbin:/usr/sbin:/bin:/usr/bin";
>> tar -czf
>> /var/lib/jenkins/sources/git_bitbucket.org.dresearchfe.drconfig.git.tar.gz
>> ./.git/* failed with signal 1, output:
>> /bin/tar: ./.git/objects/pack/tmp_pack_BwThcc: File removed before we read it
>> /bin/tar: ./.git/objects/pack/tmp_pack_Ans7xK: File removed before we read it
>> /bin/tar: ./.git/objects/pack: file changed as we read it
>> ------------------> snap <-------------------
>>
>> Is this a problem in oe-core too (or oe-classic only)?
>>
>> Any ideas how to avoid such errors?
>
> In theory bitbake has locks on files in DL_DIR, even for git
> repositories so it should only touch the repo with one fetch process at
> a time even if multiple recipes reference the same thing.
>
> There were some big fetcher reworks in more recent versions of bitbake.
> For OE-Classic, I'm guessing you're using an older version. You could
> try transplanting the modern fetcher core onto your older bitbake I
> guess.
I do not feel competent enough to try this.
Is it possible (in oe-classic) to mark two or more recipes (or single stages)
to run exclusive?
--
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