[gull] Mise à niveau vers Ubuntu 18.04 échoue à chaque tentative

[Lionel.g]

> J'ai vu qu'il existait une variable d'environnement pour augmenter les 
> messages de sortie:
>
> # DEBUG_UPDATE_MANAGER="Y" do-release-upgrade
>
> Avec l'espoir d'avoir plus d'infos sur l'erreur...
>
> Claude


J'ai testé la solution :

root at W253EU-SSD:~# DEBUG_UPDATE_MANAGER="Y" do-release-upgrade >log.txt
MetaRelease.__init__() useDevel=False useProposed=False
/etc/update-manager/meta-release: http://changelogs.ubuntu.com/meta-release
/etc/update-manager/meta-release: 
http://changelogs.ubuntu.com/meta-release-lts
/etc/update-manager/meta-release: -development
/etc/update-manager/meta-release: -proposed
metarelease-uri: http://changelogs.ubuntu.com/meta-release-lts
MetaRelease.download()
reading file '/var/lib/update-manager/meta-release-lts'
have self.metarelease_information
MetaRelease.parse()
current dist name: 'xenial'
found distro name: 'dapper'
found distro name: 'hardy'
found distro name: 'lucid'
found distro name: 'precise'
found distro name: 'trusty'
found distro name: 'xenial'
found distro name: 'bionic'
new dist: <UpdateManager.Core.MetaRelease.Dist object at 0x7f3863df0da0>
trying to find suitable mirror
mirror_from_sources_list: xenial
url_downloadable: 
http://ch.archive.ubuntu.com/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz.gpg
s='http' n='ch.archive.ubuntu.com' 
p='/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz.gpg' 
q='' f=''
trying to find suitable mirror
mirror_from_sources_list: xenial
url_downloadable: 
http://ch.archive.ubuntu.com/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz
s='http' n='ch.archive.ubuntu.com' 
p='/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz' 
q='' f=''
GET 
/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz.gpg 
HTTP/1.1
Host: ch.archive.ubuntu.com
User-Agent: Debian APT-HTTP/1.3 (1.2.29)

Answer for: 
http://ch.archive.ubuntu.com/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz.gpg
HTTP/1.1 200 OK
Server: nginx/1.10.3
Date: Thu, 14 Feb 2019 15:43:33 GMT
Content-Type: application/octet-stream
Content-Length: 819
Last-Modified: Thu, 31 Jan 2019 09:28:10 GMT
Connection: keep-alive
ETag: "5c52bfaa-333"
Accept-Ranges: bytes

GET 
/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz 
HTTP/1.1
Host: ch.archive.ubuntu.com
User-Agent: Debian APT-HTTP/1.3 (1.2.29)

Answer for: 
http://ch.archive.ubuntu.com/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz
HTTP/1.1 200 OK
Server: nginx/1.10.3
Date: Thu, 14 Feb 2019 15:43:33 GMT
Content-Type: application/octet-stream
Content-Length: 1246272
Last-Modified: Thu, 31 Jan 2019 09:28:10 GMT
Connection: keep-alive
ETag: "5c52bfaa-130440"
Accept-Ranges: bytes

GET 
/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz 
HTTP/1.1
Host: ch.archive.ubuntu.com
User-Agent: Debian APT-HTTP/1.3 (1.2.29)

Prendre :1 Signature de l'outil de mise à niveau [819 B]
99% [Attente des fichiers d'en-tête]

Answer for: 
http://ch.archive.ubuntu.com/ubuntu//dists/bionic-updates/main/dist-upgrader-all/current/bionic.tar.gz
HTTP/1.1 200 OK
Server: nginx/1.10.3
Date: Thu, 14 Feb 2019 15:46:03 GMT
Content-Type: application/octet-stream
Content-Length: 1246272
Last-Modified: Thu, 31 Jan 2019 09:28:10 GMT
Connection: keep-alive
ETag: "5c52bfaa-130440"
Accept-Ranges: bytes

Prendre :2 Outil de mise à niveau [1'246 kB]
1'247 k o réceptionnés en 0s (0  o/s)
authentification de « bionic.tar.gz » avec « bionic.tar.gz.gpg »
extraction de 'bionic.tar.gz'

(pas vu d'erreur ou pas trouvé)

puis 2eme écran (comme d'hab)

Lecture du cache

Vérification du gestionnaire de paquets
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances
Lecture des informations d'état… Terminé
........

325 k o réceptionnés en 0s (0  o/s)
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances
Lecture des informations d'état… Terminé
Restauration du système dans son état d'origine
Annulation
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances
Lecture des informations d'état… Terminé
=== Command terminated with exit status 1 (Thu Feb 14 16:46:20 2019) ===