Greetings.

Of late openoffice.org and a few other packages have been not
generating delta rpms in pushes. ;(

They error with:

Error genDeltaRPM for chunkd: exitcode was 256 - Reported Error: bad cpio archive

But looking later at both rpms, things seem fine. ;(

I've talked with jdieter and we would like to add in more debugging:

<jdieter> nirik: We're still having the "bad cpio archive" with openoffice.org updates
<jdieter> I have a patched version of deltarpm available at: http://www.lesloueizeh.com/jdieter/deltarpm-3.6-0.1.20101230git.fc14.src.rpm
<jdieter> If run with -vv, it will report old rpm, new rpm, and tell us what the actual first six bytes of what's actually in the rpm
<jdieter> vs the 070701 that it's supposed to be
<jdieter> I don't have an el6 system, so it will have to be rebuilt for releng2
<jdieter> /usr/lib/python2.4/site-packages/createrepo/deltarpms.py needs to modified as well
<jdieter> The line with "makedeltarpm -v" needs to be changed to "makedeltarpm -vv"

epel5 scratch build at:
http://koji.fedoraproject.org/koji/taskinfo?taskID=2694315
(releng02 is rhel5).

If I can get enough +'s I'd be happy to put this in place whenever.
Otherwise we can wait until next week after the freeze.

Thoughts? Comments? Other ideas?

kevin
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On Thu, Dec 30, 2010 at 10:36:23AM -0700, Kevin Fenzi wrote:
> Greetings.
>
> Of late openoffice.org and a few other packages have been not
> generating delta rpms in pushes. ;(
>
> They error with:
>
> Error genDeltaRPM for chunkd: exitcode was 256 - Reported Error: bad cpio archive
>
> But looking later at both rpms, things seem fine. ;(
>
> I've talked with jdieter and we would like to add in more debugging:
>
> <jdieter> nirik: We're still having the "bad cpio archive" with openoffice.org updates
> <jdieter> I have a patched version of deltarpm available at: http://www.lesloueizeh.com/jdieter/deltarpm-3.6-0.1.20101230git.fc14.src.rpm
> <jdieter> If run with -vv, it will report old rpm, new rpm, and tell us what the actual first six bytes of what's actually in the rpm
> <jdieter> vs the 070701 that it's supposed to be
> <jdieter> I don't have an el6 system, so it will have to be rebuilt for releng2
> <jdieter> /usr/lib/python2.4/site-packages/createrepo/deltarpms.py needs to modified as well
> <jdieter> The line with "makedeltarpm -v" needs to be changed to "makedeltarpm -vv"
>
> epel5 scratch build at:
> http://koji.fedoraproject.org/koji/taskinfo?taskID=2694315
> (releng02 is rhel5).
>
> If I can get enough +'s I'd be happy to put this in place whenever.
> Otherwise we can wait until next week after the freeze.
>
If this totally breaks, it won't break creation of repositories just the
creation of deltarpms for the repos, correct? If that's correct, +1 from
me.

-Toshio
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On Thu, 30 Dec 2010 11:21:27 -0800
Toshio Kuratomi <a.badger@gmail.com> wrote:

> If this totally breaks, it won't break creation of repositories just
> the creation of deltarpms for the repos, correct? If that's correct,
> +1 from me.

Yeah, worst case it should cause makedeltarpm to fail entirely,
producing no deltas for that push, which is already the case for some
packages (openoffice, chunkd, etc).

> -Toshio

kevin
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On Fri, Dec 31, 2010 at 3:30 PM, Kevin Fenzi <kevin@scrye.com> wrote:
> Yeah, worst case it should cause makedeltarpm to fail entirely,
> producing no deltas for that push, which is already the case for some
> packages (openoffice, chunkd, etc).
>

+1 in that case...
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I had to rebuild the deltarpm rpm locally, since it needed the
rpm-4.6.0 and popt that are used on releng02.

I just put this in place, so we will see if it helps us figure out
whats going on with those deltas.

to revert:

change
'makedeltarpm -vv' back to
'makedeltarpm -v'
in /usr/lib/python2.4/site-packages/createrepo/deltarpms.py

and

cd ~kevin/drpm/
rpm -Uvh --oldpackage --replacepkgs
deltarpm-3.5-0.5.20090913git.el5.i386.rpm python-deltarpm-3.5-0.5.20090913git.el5.i386.rpm

Thanks everyone.

kevin
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