Bug 1268174 - Misleading error from dnf on multi-lib conflict
Misleading error from dnf on multi-lib conflict
Product: Fedora
Classification: Fedora
Component: dnf (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: rpm-software-management
Fedora Extras Quality Assurance
Depends On: 1549851 1148627
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Reported: 2015-10-01 20:35 EDT by Dan Mossor [danofsatx]
Modified: 2018-02-27 16:55 EST (History)
6 users (show)

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Doc Type: Bug Fix
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Last Closed: 2016-07-19 14:05:30 EDT
Type: Bug
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Description Dan Mossor [danofsatx] 2015-10-01 20:35:47 EDT
When attempting to update one $arch of a package that has a multilib version installed, dnf gives a misleading error. 

For example, I have multilib versions of libX11 installed. While attempting to update from rdieter's copr for a QA test, I only had the x86_64 copr enabled. dnf reported "Error: cannot install both libX11-1.6.3-1.fc22.1.x86_64 and libX11-1.6.3-1.fc22.x86_64" which gave zero indication of the actual problem.

Using yum-deprecated, I was able to discover the root problem: 
Protected multilib versions: libX11-1.6.3-1.fc22.1.x86_64 != libX11-1.6.3-1.fc22.i686

Yum displayed the actual error, that only one $arch of a multilib installed package was being updated and both arches needed to be in sync.

Once the i686 copr was enabled, dnf proceeded normally.

dnf should report that the problem is a multilib problem, not just that two x86_64 versions can't be installed at the same time.
Comment 1 Honza Silhan 2015-10-13 09:41:11 EDT
Thanks for the report.
Comment 2 Fedora Admin XMLRPC Client 2016-07-08 05:29:50 EDT
This package has changed ownership in the Fedora Package Database.  Reassigning to the new owner of this component.
Comment 3 Fedora End Of Life 2016-07-19 14:05:30 EDT
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
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