[CentOS-devel] weird (non-functional) downgrade

[lejeczek]

On 26/01/17 17:46, Anssi Johansson wrote:
> 26.1.2017, 19.18, lejeczek kirjoitti:
>> dear devel
>>
>> is this true that every rpm downgrade goes kind of a ... 
>> "haywire" ?
>>
>> I've tried a few and...
>>
>>  ~]$ yum downgrade ctdb
>> --> Running transaction check
>> ---> Package ctdb.x86_64 0:4.4.4-9.el7 will be a downgrade
>> --> Processing Dependency: samba-client-libs = 
>> 4.4.4-9.el7 for package:
>> ctdb-4.4.4-9.el7.x86_64
>> ---> Package ctdb.x86_64 0:4.4.4-12.el7_3 will be erased
>> --> Running transaction check
>> ---> Package samba-client-libs.i686 0:4.4.4-9.el7 will be 
>> installed
>> <= ?????
>>
>> ~]$ yum downgrade bind
>> Resolving Dependencies
>> --> Running transaction check
>> ---> Package bind.x86_64 32:9.9.4-38.el7_3 will be a 
>> downgrade
>> --> Processing Dependency: bind-libs = 32:9.9.4-38.el7_3 
>> for package:
>> 32:bind-9.9.4-38.el7_3.x86_64
>> ---> Package bind.x86_64 32:9.9.4-38.el7_3.1 will be erased
>> --> Running transaction check
>> ---> Package bind.x86_64 32:9.9.4-38.el7_3.1 will be erased
>> ---> Package bind-libs.i686 32:9.9.4-38.el7_3 will be 
>> installed    <= ????
>>
>> etc.
>> and system has no signle 686 rpm. Some kind of a curse my 
>> boxes suffer
>> from? :)
>
> It looks like resolving the dependencies is the problem. 
> If you tried downgrading bind with a "yum downgrade bind 
> bind-libs bind-license bind-utils bind-chroot 
> bind-libs-lite", it would work.

but something is plain wrong there, is it not? And it is not 
bind.
Try another one, java:

--> Running transaction check
---> Package java-1.8.0-openjdk.x86_64 
1:1.8.0.111-2.b15.el7_3 will be a downgrade
--> Processing Dependency: java-1.8.0-openjdk-headless = 
1:1.8.0.111-2.b15.el7_3 for package: 
1:java-1.8.0-openjdk-1.8.0.111-2.b15.el7_3.x86_64
---> Package java-1.8.0-openjdk.x86_64 
1:1.8.0.121-0.b13.el7_3 will be erased
--> Finished Dependency Resolution
Error: Package: 
1:java-1.8.0-openjdk-1.8.0.111-2.b15.el7_3.x86_64 (updates)
            Requires: java-1.8.0-openjdk-headless = 
1:1.8.0.111-2.b15.el7_3
            Installed: 
1:java-1.8.0-openjdk-headless-1.8.0.121-0.b13.el7_3.x86_64 
(@updates)
                java-1.8.0-openjdk-headless = 
1:1.8.0.121-0.b13.el7_3
            Available: 
1:java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.i686 
(base)  <= ??? why does this i686 arch try to force its way 
in? Each time.

It smells like something fundamental.
Could it be that yum repos are somehow broken.
Being a long time ex-user of Scientific I remember I never 
had seen anything similar. Downgrading samba after a buggy 
update saved me a few times.
Would be really good to know that we Centosians can rely on 
yum/dnf downgrade.

b.w.
L.

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