Re: rpm gets some deps wrong?

[Jeff Johnson <n3npq nc rr com>]

Frank Cusack wrote:

> On Mon, Aug 04, 2003 at 08:42:33AM -0400, Jeff Johnson wrote:
>  
>
> > Frank Cusack wrote:
> >
> >    
> >
> > > I don't understand why rpm is complaining about breaking a dependency,
> > > when the package being removed doesn't provide said dependency:
> > >
> > > [root@mother root]# rpm -e kernel-smp-2.4.21-gg3
> > > error: Failed dependencies:
> > > 	kernel-smp = 2.4.21-gg2 is needed by (installed) NVIDIA_kernel-2.4.21-gg2-smp-1.0-4363gg10
> > > 	kernel-smp = 2.4.21-gg2 is needed by (installed) bcm5700-2.4.21-gg2-smp-6.2.11-gg3
> > >
> > >      

You have 2 packages with a dependency on the package that you are
upgrading. The dependency specifies a version, but not an epoch.
Missing epoch is equivalent to Epoch:0 when packages are installed.

(Note: "when installed" missing epoch == 0, now everywhere.)

Both packages have the same version, but not the same epoch. So the new
does not satisfy the previously satisifed  dependency because it has an 
epoch.

Even though the versions are the same, the epoch's are not.

73 de Jeff

> > It's not the package you're adding, it's the package that is already 
> > installed, that
> > has a requirement that would be broken if the --erase were to occur.
> >
> >
> >    
> >
> > > [root@mother root]# rpm -q --whatprovides kernel-smp
> > > kernel-smp-2.4.20-8
> > > kernel-smp-2.4.20-19.9
> > > kernel-smp-2.4.21-gg2
> > > kernel-smp-2.4.21-gg3
> > > [root@mother root]# rpm -q --provides kernel-smp-2.4.21-gg3
> > > kernel = 2.4.21
> > > kernel-drm = 4.1.0
> > > kernel-drm = 4.2.0
> > > kernel-drm = 4.2.99.3
> > > kernel-drm = 4.3.0
> > > module-info  
> > > kernel-smp = 20030716:2.4.21-gg3
> > >
> > >      
> > ---------------------^^^^^^^
> >
> > is probably you problem., the requirement of the installed package (most 
> > likely)
> > does not specify an Epoch:. missing epoch is treated as epoch: 0 after 
> > install.
> >    
>
> But so what?  The requirement is for a specific version 2.4.21-gg2.
> The rpm I'm erasing doesn't provide that version.  And in fact there
> is another rpm installed (kernel-smp-2.4.21-gg2, you can see it in
> the --whatprovides output) which does provide that version.
>
> [root@mother root]# rpm -q --provides kernel-smp-2.4.21-gg2
> kernel = 2.4.21
> kernel-drm = 4.1.0
> kernel-drm = 4.2.0
> kernel-drm = 4.2.99.3
> kernel-drm = 4.3.0
> module-info
> kernel-smp = 20030716:2.4.21-gg2
>
> So, I understand what you are saying about the Epoch, but since the
> rpm being removed doesn't meet the dependency (wrong version and/or
> wrong epoch) this seems wrong.
>
> I would expect the complaint if I were removing kernel-smp-2.4.21-gg2.
>
> So let's go back to my initial statement.  Help me understand why rpm
> is complaining about breaking a dependency which isn't met in the first
> place.
>
> thx
> /fc
>
>
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