Same Issue here with http://de.archive.ubuntu.com . Additionally, I also see GPG error for the Ubuntu Archive Automatic Signing Key. No problems with other mirrors.
apt-get update Ign http://de.archive.ubuntu.com trusty InRelease Ign http://de.archive.ubuntu.com trusty-security InRelease Ign http://de.archive.ubuntu.com trusty-updates InRelease Ign http://de.archive.ubuntu.com trusty-proposed InRelease Ign http://de.archive.ubuntu.com trusty-backports InRelease Hit http://de.archive.ubuntu.com trusty Release.gpg Hit http://de.archive.ubuntu.com trusty-security Release.gpg Get:1 http://de.archive.ubuntu.com trusty-updates Release.gpg [933 B] (...) Get:12 http://de.archive.ubuntu.com trusty-backports/main amd64 Packages [5,536 B] Get:13 http://de.archive.ubuntu.com trusty-backports/restricted amd64 Packages [28 B] Get:14 http://de.archive.ubuntu.com trusty-backports/universe amd64 Packages [26.2 kB] Get:15 http://de.archive.ubuntu.com trusty-backports/multiverse amd64 Packages [1,245 B] Get:16 http://de.archive.ubuntu.com trusty-backports/main i386 Packages [5,550 B] Get:17 http://de.archive.ubuntu.com trusty-backports/restricted i386 Packages [28 B] Get:18 http://de.archive.ubuntu.com trusty-backports/universe i386 Packages [26.3 kB] Get:19 http://de.archive.ubuntu.com trusty-backports/multiverse i386 Packages [1,249 B] Get:20 http://de.archive.ubuntu.com trusty-backports/main Translation-en [3,233 B] Get:21 http://de.archive.ubuntu.com trusty-backports/multiverse Translation-en [776 B] Get:22 http://de.archive.ubuntu.com trusty-backports/restricted Translation-en [14 B] Get:23 http://de.archive.ubuntu.com trusty-backports/universe Translation-en [24.3 kB] Get:24 http://de.archive.ubuntu.com trusty-proposed/main amd64 Packages [148 kB] Get:25 http://de.archive.ubuntu.com trusty-proposed/restricted amd64 Packages [28 B] Hit http://de.archive.ubuntu.com trusty-proposed/universe amd64 Packages Get:26 http://de.archive.ubuntu.com trusty-proposed/multiverse amd64 Packages [1,134 B] Get:27 http://de.archive.ubuntu.com trusty-proposed/main i386 Packages [145 kB] Get:28 http://de.archive.ubuntu.com trusty-proposed/restricted i386 Packages [28 B] Get:29 http://de.archive.ubuntu.com trusty-proposed/multiverse i386 Packages [1,133 B] Fetched 1,226 kB in 53s (22.9 kB/s) W: GPG error: http://de.archive.ubuntu.com trusty-proposed Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmas...@ubuntu.com> W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-amd64/Packages Hash Sum mismatch W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/trusty- updates/main/binary-i386/Packages Hash Sum mismatch E: Some index files failed to download. They have been ignored, or old ones used instead. # VS.: # (...) Get:53 http://de2.archive.ubuntu.com trusty-backports/main Translation-en [3,233 B] Get:54 http://de2.archive.ubuntu.com trusty-backports/multiverse Translation-en [776 B] Get:55 http://de2.archive.ubuntu.com trusty-backports/restricted Translation-en [14 B] Get:56 http://de2.archive.ubuntu.com trusty-backports/universe Translation-en [24.3 kB] (...) Fetched 22.8 MB in 12s (1,810 kB/s) Reading package lists... Done If I remember correctly, http://de.archive.ubuntu.com never worked for trusty... -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1373598 Title: apt-get update fails, hash sum mismatches (trusty) Status in apt package in Ubuntu: Confirmed Status in ubuntu-release-upgrader package in Ubuntu: Confirmed Bug description: 1. Release: Description: Ubuntu 14.04.1 LTS Release: 14.04 2. not a package. The whole distro is broken. 3. I always expect apt-get update to work, at least with Ubuntu's own repositories. 4. "apt-get update" failed, and later "apt-get dist upgrade" It started with this when doing a normal "apt-get update" W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/trusty- updates/main/source/Sources Hash Sum mismatch W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/trusty- updates/main/binary-amd64/Packages Hash Sum mismatch W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/trusty- updates/universe/binary-i386/Packages Hash Sum mismatch E: Some index files failed to download. They have been ignored, or old ones used instead. When doing a dist-upgrade, I then got this: E: mkinitramfs failure cpio 141 gzip 1 update-initramfs: failed for /boot/initrd.img-3.13.0-36-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-extra-3.13.0-36-generic.postinst line 1025. No apport report written because the error message indicates its a followup error from a previous failure. dpkg: error processing package linux-image-extra-3.13.0-36-generic (--configure): subprocess installed post-installation script returned error exit status 2 dpkg: dependency problems prevent configuration of linux-image-generic: linux-image-generic depends on linux-image-extra-3.13.0-36-generic; however: Package linux-image-extra-3.13.0-36-generic is not configured yet. dpkg: error processing package linux-image-generic (--configure): dependency problems - leaving unconfigured Setting up linux-headers-3.13.0-36 (3.13.0-36.63) ... Setting up linux-headers-3.13.0-36-generic (3.13.0-36.63) ... Examining /etc/kernel/header_postinst.d. run-parts: executing /etc/kernel/header_postinst.d/dkms 3.13.0-36-generic /boot/vmlinuz-3.13.0-36-generic Setting up linux-headers-generic (3.13.0.36.43) ... No apport report written because the error message indicates its a followup error from a previous failure. dpkg: dependency problems prevent configuration of linux-generic: linux-generic depends on linux-image-generic (= 3.13.0.36.43); however: Package linux-image-generic is not configured yet. dpkg: error processing package linux-generic (--configure): dependency problems - leaving unconfigured And later this at the end: Processing triggers for libc-bin (2.19-0ubuntu6.3) ... E: Sub-process /usr/bin/dpkg returned an error code (1) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.5 ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4 Uname: Linux 3.13.0-34-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.4 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Wed Sep 24 21:57:55 2014 InstallationDate: Installed on 2013-05-09 (503 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: Upgraded to trusty on 2014-05-04 (142 days ago) VarLogDistupgradeTermlog: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1373598/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp