Several curl errors while downloading packages using `qubes-dom0-update`

[SaswatPadhi]

Qubes OS version:

4.0~rc5

Affected component(s):

qubes-dom0-update

---

Steps to reproduce the behavior:

sudo qubes-dom0-update gparted

Expected behavior:

Downloads happen as usual

Actual behavior:

I see several warnings from curl:

.
.
.
DNF will only download packages for the transaction.
Downloading Packages:
[MIRROR] gparted-0.28.1-1.fc25.x86_64.rpm: Curl error (6): Couldn't resolve host name for http://<metalink version="3.0" xmlns="http://www.metalinker.org/" type="dynamic" pubdate="Mon, 12 Mar 2018 04:16:45 GMT" generator="mirrormanager" xmlns:mm0="http://fedorahosted.org/mirrormanager">/Packages/g/gparted-0.28.1-1.fc25.x86_64.rpm [Could not resolve host: <metalink version="3.0" xmlns="http]
[MIRROR] gparted-0.28.1-1.fc25.x86_64.rpm: Curl error (6): Couldn't resolve host name for http://<url protocol="rsync" type="rsync" location="US" preference="100" >rsync://mirror.sfo12.us.leaseweb.net/fedora/updates/25/x86_64/repodata/repomd.xml</url>/Packages/g/gparted-0.28.1-1.fc25.x86_64.rpm [Could not resolve host: <url protocol="rsync" type="rsync" location="US" preference="100" >rsync]
[MIRROR] gparted-0.28.1-1.fc25.x86_64.rpm: Curl error (6): Couldn't resolve host name for http://<url protocol="http" type="http" location="US" preference="100" >http://mirror.sfo12.us.leaseweb.net/fedora/linux/updates/25/x86_64/repodata/repomd.xml</url>/Packages/g/gparted-0.28.1-1.fc25.x86_64.rpm [Could not resolve host: <url protocol="http" type="http" location="US" preference="100" >http]
[MIRROR] gparted-0.28.1-1.fc25.x86_64.rpm: Curl error (6): Couldn't resolve host name for http://<url protocol="http" type="http" location="US" preference="99" >http://mirror.uoregon.edu/fedora/linux/updates/25/x86_64/repodata/repomd.xml</url>/Packages/g/gparted-0.28.1-1.fc25.x86_64.rpm [Could not resolve host: <url protocol="http" type="http" location="US" preference="99" >http]
.
.
.
gparted-0.28.1-1.fc25.x86_64.rpm                1.2 MB/s | 1.9 MB     00:01    
--------------------------------------------------------------------------------
Total                                           756 kB/s | 1.9 MB     00:02     
Complete!
The downloaded packages were saved in cache until the next successful transaction.

General notes:

I tried both with and without fastestmirror=1 in my /etc/dnf/dnf.conf -- same behavior.

[esote]

I've just had an issue similar to this one recently on 3.2. I don't know if it is related to the fact that I've recently re-created my sys-firewall AppVM.

I would run:

sudo qubes-dom0-update

And receive the error:

Checking for dom0 updates...
Failed to synchronize cache for repo 'qubes-dom0-current', disabling.
No new updates available

To debug it, I ran qubes-dom0-update --action="-v update --refresh"

It spouted a dozen or so errors all similar to this one:

error: Curl error (6): Couldn't resolve host name for http://<metalink version="3.0" xmlns="http://www.metalinker.org/" type="dynamic" pubdate="Thu, 22 Mar 2018 00:12:11 GMT" generator="mirrormanager" xmlns:mm0="http://fedorahosted.org/mirrormanager">/repodata/repomd.xml [Could not resolve host: <metalink version="3.0" xmlns="http] (http://<metalink version="3.0" xmlns="http://www.metalinker.org/" type="dynamic" pubdate="Thu, 22 Mar 2018 00:12:11 GMT" generator="mirrormanager" xmlns:mm0="http://fedorahosted.org/mirrormanager">/repodata/repomd.xml).

However, despite those errors, running that command above (qubes-dom0-update with the flag --action="-v update --refresh") seems to have fixed it for me.

[esote]

I've just had an issue similar to this one recently on 3.2. I don't know if it is related to the fact that I've recently re-created my sys-firewall AppVM.

I would run:

sudo qubes-dom0-update

And receive the error:

Checking for dom0 updates...
Failed to synchronize cache for repo 'qubes-dom0-current', disabling.
No new updates available

To debug it, I ran qubes-dom0-update --action="-v update --refresh"

It spouted a dozen or so errors all similar to this one:

error: Curl error (6): Couldn't resolve host name for http://<metalink version="3.0" xmlns="http://www.metalinker.org/" type="dynamic" pubdate="Thu, 22 Mar 2018 00:12:11 GMT" generator="mirrormanager" xmlns:mm0="http://fedorahosted.org/mirrormanager">/repodata/repomd.xml [Could not resolve host: <metalink version="3.0" xmlns="http] (http://<metalink version="3.0" xmlns="http://www.metalinker.org/" type="dynamic" pubdate="Thu, 22 Mar 2018 00:12:11 GMT" generator="mirrormanager" xmlns:mm0="http://fedorahosted.org/mirrormanager">/repodata/repomd.xml).

However, despite those errors, running that command above (qubes-dom0-update with the flag --action="-v update --refresh") seems to have fixed it for me.