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Old 06-02-2008, 01:46 PM
Paul B Schroeder
 
Default corrupt rpmdb in mock-chroot

On Mon, 2008-06-02 at 08:25 -0500, Dennis Gilmore wrote:
> On Monday 02 June 2008, Paul B Schroeder wrote:
> > On Sat, 2008-05-31 at 22:16 -0400, Jon Stanley wrote:
> > > On Sat, May 31, 2008 at 7:04 PM, Paul B Schroeder
> > >
> > > <paul.schroeder@bluecoat.com> wrote:
> > > > Rebuilding the rpm database seems to fix this, but it's a pain to be
> > > > sure. Any ideas as to why I'm seeing this corruption when creating an
> > > > i386 mock chroot from a x86_64 system?
> > >
> > > This is normal and expected. You created the rpmdb with x86_64 rpm,
> > > and are accessing it with i386 rpm. The Berkeley DB format is
> > > different based on the arch of the creating machine, therefore
> > > generates the database differently on the two platforms. If I plan on
> > > doing anything in a chroot (especially a non-native arch one) other
> > > than building a SRPM, the first thing that happens is to rm -f
> > > /var/lib/rpm/__db*. Don't worry, this got me the first time too (and
> > > is fatal to a pungi compose)
> >
> > Ah.. I see.. I would think there would be some way to tell it to
> > create the DB in i386 format though? Is there an environment variable
> > or something that can be set?
>
> No, the hosts rpm is used to populate the chroot. when you enter the chroot
> you can delete /var/lib/rpm/__db* and things will work.

> You get the same issues with building say F-7 chroots on a F-9 host where the
> chroot has a different version of the the database than the host.
>
I understand how it's working. (Although, I didn't know Berkely DB had
diff formats for diff archs beforehand) But I was hoping there might be
a way (in my Makefiles) to tell my x86_64 host's rpm to always operate
in i386 mode.

I can live with it, but I am setting up a build environment for other
(read less Linux literate) folks to use. I'd like to head off any
forthcoming confusion if possible.

Cheers...Paul...

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Old 06-02-2008, 02:11 PM
Dennis Gilmore
 
Default corrupt rpmdb in mock-chroot

On Monday 02 June 2008, Paul B Schroeder wrote:
> On Mon, 2008-06-02 at 08:25 -0500, Dennis Gilmore wrote:
> > On Monday 02 June 2008, Paul B Schroeder wrote:
> > > On Sat, 2008-05-31 at 22:16 -0400, Jon Stanley wrote:
> > > > On Sat, May 31, 2008 at 7:04 PM, Paul B Schroeder
> > > >
> > > > <paul.schroeder@bluecoat.com> wrote:
> > > > > Rebuilding the rpm database seems to fix this, but it's a pain to
> > > > > be sure. Any ideas as to why I'm seeing this corruption when
> > > > > creating an i386 mock chroot from a x86_64 system?
> > > >
> > > > This is normal and expected. You created the rpmdb with x86_64 rpm,
> > > > and are accessing it with i386 rpm. The Berkeley DB format is
> > > > different based on the arch of the creating machine, therefore
> > > > generates the database differently on the two platforms. If I plan
> > > > on doing anything in a chroot (especially a non-native arch one)
> > > > other than building a SRPM, the first thing that happens is to rm -f
> > > > /var/lib/rpm/__db*. Don't worry, this got me the first time too (and
> > > > is fatal to a pungi compose)
> > >
> > > Ah.. I see.. I would think there would be some way to tell it to
> > > create the DB in i386 format though? Is there an environment variable
> > > or something that can be set?
> >
> > No, the hosts rpm is used to populate the chroot. when you enter the
> > chroot you can delete /var/lib/rpm/__db* and things will work.
> >
> > You get the same issues with building say F-7 chroots on a F-9 host where
> > the chroot has a different version of the the database than the host.
>
> I understand how it's working. (Although, I didn't know Berkely DB had
> diff formats for diff archs beforehand) But I was hoping there might be
> a way (in my Makefiles) to tell my x86_64 host's rpm to always operate
> in i386 mode.
>
> I can live with it, but I am setting up a build environment for other
> (read less Linux literate) folks to use. I'd like to head off any
> forthcoming confusion if possible.
>
> Cheers...Paul...

Please dont CC me on list email just "reply to list"

you could try run setarch i386 before the mock command.

Dennis
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Old 06-02-2008, 05:47 PM
Paul B Schroeder
 
Default corrupt rpmdb in mock-chroot

On Mon, 2008-06-02 at 09:11 -0500, Dennis Gilmore wrote:
> On Monday 02 June 2008, Paul B Schroeder wrote:
> > On Mon, 2008-06-02 at 08:25 -0500, Dennis Gilmore wrote:
> > > On Monday 02 June 2008, Paul B Schroeder wrote:
> > > > On Sat, 2008-05-31 at 22:16 -0400, Jon Stanley wrote:
> > > > > On Sat, May 31, 2008 at 7:04 PM, Paul B Schroeder
> > > > >
> > > > > <paul.schroeder@bluecoat.com> wrote:
> > > > > > Rebuilding the rpm database seems to fix this, but it's a pain to
> > > > > > be sure. Any ideas as to why I'm seeing this corruption when
> > > > > > creating an i386 mock chroot from a x86_64 system?
> > > > >
> > > > > This is normal and expected. You created the rpmdb with x86_64 rpm,
> > > > > and are accessing it with i386 rpm. The Berkeley DB format is
> > > > > different based on the arch of the creating machine, therefore
> > > > > generates the database differently on the two platforms. If I plan
> > > > > on doing anything in a chroot (especially a non-native arch one)
> > > > > other than building a SRPM, the first thing that happens is to rm -f
> > > > > /var/lib/rpm/__db*. Don't worry, this got me the first time too (and
> > > > > is fatal to a pungi compose)
> > > >
> > > > Ah.. I see.. I would think there would be some way to tell it to
> > > > create the DB in i386 format though? Is there an environment variable
> > > > or something that can be set?
> > >
> > > No, the hosts rpm is used to populate the chroot. when you enter the
> > > chroot you can delete /var/lib/rpm/__db* and things will work.
> > >
> > > You get the same issues with building say F-7 chroots on a F-9 host where
> > > the chroot has a different version of the the database than the host.
> >
> > I understand how it's working. (Although, I didn't know Berkely DB had
> > diff formats for diff archs beforehand) But I was hoping there might be
> > a way (in my Makefiles) to tell my x86_64 host's rpm to always operate
> > in i386 mode.
> >
> > I can live with it, but I am setting up a build environment for other
> > (read less Linux literate) folks to use. I'd like to head off any
> > forthcoming confusion if possible.
> >
> > Cheers...Paul...
>
> Please dont CC me on list email just "reply to list"
>
Oops.. Apologies..

> you could try run setarch i386 before the mock command.
>
Yea.. I tried that one already.. Didn't work.


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