Bug 1514633 - Failed to synchronize cache for repo »updates«
Summary: Failed to synchronize cache for repo »updates«
Keywords:
Status: CLOSED DUPLICATE of bug 1492036
Alias: None
Product: Fedora
Classification: Fedora
Component: dnf-plugins-extras
Version: 27
Hardware: x86_64
OS: Linux
unspecified
low
Target Milestone: ---
Assignee: rpm-software-management
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-11-18 00:33 UTC by H.-P. Sorge
Modified: 2017-11-30 09:55 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2017-11-30 09:55:00 UTC


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Description H.-P. Sorge 2017-11-18 00:33:19 UTC
Description of problem:

1. <dnf system-upgrade reboot> fails to upgrade.
2. entry in /var/log/messages: Failed to synchronize cache for repo »updates« 
3. from /etc/yum.repos.d/fedora-updates.repo
    mirrors.fedoraproject.org did not get resolved. 
    t-online returned: 
    Die von Ihnen eingegebene Internetadresse ... konnte nicht gefunden werden.

4. next day repeat:
   dnf --refresh upgrade
   dnf system-upgrade download --releasever=27
   dnf system-upgrade reboot
   mirrors.fedoraproject.org did get resolved!
   Same fail result.

5. <dnf clean all> has no effect.
   Downloaded rpm will be kept and not downloaded again.

6. next day some more repeats:
   dnf --refresh upgrade
   dnf system-upgrade download --releasever=27
   dnf system-upgrade reboot
   (nb mirrors.fedoraproject.org did get resolved!)
   Same fail result.

7. Observation: /var/lib/dnf/system-upgrade contains several subdirectories 
   like updates-xxxxxxxxxxxxxxxxx.

8. rm -rf /var/lib/dnf/system-upgrade/*
   dnf --refresh upgrade
   dnf system-upgrade download --releasever=27 # download all rpm again
   dnf system-upgrade reboot
   SUCCESS 

Version-Release number of selected component (if applicable): 


How reproducible:  not attempted 


Steps to Reproduce:
1.  ./.
2.  ./. 
3.  ./.

Actual results:
./.

Expected results:
<dnf clean all> should clean locally stored rpm   

Additional info:
It looks like the multiple entries like 
/var/lib/dnf/system-upgrade/updates-xxxxxxxxxxxxxxxxx
do not get handled correctly .. (after a failing name resolution??)

Comment 1 Michael S. 2017-11-24 19:31:07 UTC
I think this problem is a duplicate of https://bugzilla.redhat.com/show_bug.cgi?id=1514754 , could you take a look at my comment and see if this fix the issue for you ? (the part about check_config_file_age = false)

Comment 2 Christophe Fergeau 2017-11-27 09:00:34 UTC
Fwiw, had the same issue (started the upgrade process last week, download failed a few times because of local issues, finally was able to try and move forward today). On system-upgrade reboot, I was getting this error about the Updates repository not being accessible. Removing the system-upgrade cache and trying again allowed the upgrade to complete.

Comment 3 Marek Blaha 2017-11-30 09:55:00 UTC

*** This bug has been marked as a duplicate of bug 1492036 ***


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