Public bug reported: Similar to https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1975865 but affecting Ubuntu 20.04 "Focal"
Steps to reproduce: 1. Configure the debug repositories, like how it is explained in https://wiki.ubuntu.com/Debug%20Symbol%20Packages I ran these commands on a newly created Docker container (docker run --pull always --rm -ti ubuntu:20.04), but a typical bare metal installation should present the same issue: apt-get update ; apt-get install --yes gnupg apt-key adv \ --keyserver keyserver.ubuntu.com \ --recv-keys F2EDC64DC5AEE1F6B9C621F0C8CAB6595FDFF622 source /etc/lsb-release tee /etc/apt/sources.list.d/ddebs.list >/dev/null <<EOF # Official Ubuntu repos with debug packages deb http://ddebs.ubuntu.com ${DISTRIB_CODENAME} main restricted universe multiverse deb http://ddebs.ubuntu.com ${DISTRIB_CODENAME}-updates main restricted universe multiverse EOF 2. Try to run `apt-get update` with the new ddebs repo added: apt-get update Result is as follows: root@cecf55687e66:/# apt-get update Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease Hit:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease Ign:4 http://ddebs.ubuntu.com focal InRelease Hit:5 http://archive.ubuntu.com/ubuntu focal-backports InRelease Ign:6 http://ddebs.ubuntu.com focal-updates InRelease Get:7 http://ddebs.ubuntu.com focal Release [40.4 kB] Get:8 http://ddebs.ubuntu.com focal-updates Release [40.5 kB] Get:9 http://ddebs.ubuntu.com focal Release.gpg [819 B] Get:10 http://ddebs.ubuntu.com focal-updates Release.gpg [833 B] Get:11 http://ddebs.ubuntu.com focal/multiverse amd64 Packages [78.2 kB] Get:12 http://ddebs.ubuntu.com focal/main amd64 Packages [611 kB] Get:13 http://ddebs.ubuntu.com focal/universe amd64 Packages [5311 kB] Get:14 http://ddebs.ubuntu.com focal-updates/main amd64 Packages [541 kB] Err:14 http://ddebs.ubuntu.com focal-updates/main amd64 Packages File has unexpected size (542861 != 541199). Mirror sync in progress? [IP: 91.189.91.48 80] Hashes of expected file: - Filesize:541199 [weak] - SHA512:3c5e6622bf70604efc8282709076dcb9bac79731d94360e9d32bb695d6752d1668ddcf56289b713493c484a6e750a184d22004d535242f28bda861dacd4f306f - SHA256:84abe9b85ee6b5a9abfe3fb55f9b0f0e917951082325beb849e62942a6b627c5 - SHA1:f7f88336d741632b05389e420617c6081fd82250 [weak] - MD5Sum:ee5201b89e092013f44f7fc2852e73df [weak] Release file created at: Mon, 30 May 2022 07:15:43 +0000 Get:15 http://ddebs.ubuntu.com focal-updates/universe amd64 Packages [319 kB] Get:16 http://ddebs.ubuntu.com focal-updates/multiverse amd64 Packages [3775 B] Fetched 6405 kB in 11s (570 kB/s) Reading package lists... Done E: Failed to fetch http://ddebs.ubuntu.com/dists/focal-updates/main/binary-amd64/Packages.gz File has unexpected size (542861 != 541199). Mirror sync in progress? [IP: 91.189.91.48 80] Hashes of expected file: - Filesize:541199 [weak] - SHA512:3c5e6622bf70604efc8282709076dcb9bac79731d94360e9d32bb695d6752d1668ddcf56289b713493c484a6e750a184d22004d535242f28bda861dacd4f306f - SHA256:84abe9b85ee6b5a9abfe3fb55f9b0f0e917951082325beb849e62942a6b627c5 - SHA1:f7f88336d741632b05389e420617c6081fd82250 [weak] - MD5Sum:ee5201b89e092013f44f7fc2852e73df [weak] Release file created at: Mon, 30 May 2022 07:15:43 +0000 E: Some index files failed to download. They have been ignored, or old ones used instead. Further info as per the "Ubuntu bug reporting guidelines": 1) Output from `lsb_release -rd`: Ubuntu 20.04.4 LTS 2) Output from `apt-cache policy apt`: Installed: 2.0.6 Candidate: 2.0.8 Version table: 2.0.8 500 500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages *** 2.0.6 100 100 /var/lib/dpkg/status 2.0.2ubuntu0.2 500 500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages 2.0.2 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages (note, upgrading to the latest 2.0.8 doesn't make any difference) 3) What I expected to happen: apt-get update works after adding the "ddebs" repository. 4) What happened instead: apt-get update fails with a "File has unexpected size" error after adding the "ddebs" repository. ** Affects: apt (Ubuntu) Importance: Undecided Status: New -- 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/1976233 Title: "File has unexpected size" error on Focal ddebs repository Status in apt package in Ubuntu: New Bug description: Similar to https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1975865 but affecting Ubuntu 20.04 "Focal" Steps to reproduce: 1. Configure the debug repositories, like how it is explained in https://wiki.ubuntu.com/Debug%20Symbol%20Packages I ran these commands on a newly created Docker container (docker run --pull always --rm -ti ubuntu:20.04), but a typical bare metal installation should present the same issue: apt-get update ; apt-get install --yes gnupg apt-key adv \ --keyserver keyserver.ubuntu.com \ --recv-keys F2EDC64DC5AEE1F6B9C621F0C8CAB6595FDFF622 source /etc/lsb-release tee /etc/apt/sources.list.d/ddebs.list >/dev/null <<EOF # Official Ubuntu repos with debug packages deb http://ddebs.ubuntu.com ${DISTRIB_CODENAME} main restricted universe multiverse deb http://ddebs.ubuntu.com ${DISTRIB_CODENAME}-updates main restricted universe multiverse EOF 2. Try to run `apt-get update` with the new ddebs repo added: apt-get update Result is as follows: root@cecf55687e66:/# apt-get update Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease Hit:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease Ign:4 http://ddebs.ubuntu.com focal InRelease Hit:5 http://archive.ubuntu.com/ubuntu focal-backports InRelease Ign:6 http://ddebs.ubuntu.com focal-updates InRelease Get:7 http://ddebs.ubuntu.com focal Release [40.4 kB] Get:8 http://ddebs.ubuntu.com focal-updates Release [40.5 kB] Get:9 http://ddebs.ubuntu.com focal Release.gpg [819 B] Get:10 http://ddebs.ubuntu.com focal-updates Release.gpg [833 B] Get:11 http://ddebs.ubuntu.com focal/multiverse amd64 Packages [78.2 kB] Get:12 http://ddebs.ubuntu.com focal/main amd64 Packages [611 kB] Get:13 http://ddebs.ubuntu.com focal/universe amd64 Packages [5311 kB] Get:14 http://ddebs.ubuntu.com focal-updates/main amd64 Packages [541 kB] Err:14 http://ddebs.ubuntu.com focal-updates/main amd64 Packages File has unexpected size (542861 != 541199). Mirror sync in progress? [IP: 91.189.91.48 80] Hashes of expected file: - Filesize:541199 [weak] - SHA512:3c5e6622bf70604efc8282709076dcb9bac79731d94360e9d32bb695d6752d1668ddcf56289b713493c484a6e750a184d22004d535242f28bda861dacd4f306f - SHA256:84abe9b85ee6b5a9abfe3fb55f9b0f0e917951082325beb849e62942a6b627c5 - SHA1:f7f88336d741632b05389e420617c6081fd82250 [weak] - MD5Sum:ee5201b89e092013f44f7fc2852e73df [weak] Release file created at: Mon, 30 May 2022 07:15:43 +0000 Get:15 http://ddebs.ubuntu.com focal-updates/universe amd64 Packages [319 kB] Get:16 http://ddebs.ubuntu.com focal-updates/multiverse amd64 Packages [3775 B] Fetched 6405 kB in 11s (570 kB/s) Reading package lists... Done E: Failed to fetch http://ddebs.ubuntu.com/dists/focal-updates/main/binary-amd64/Packages.gz File has unexpected size (542861 != 541199). Mirror sync in progress? [IP: 91.189.91.48 80] Hashes of expected file: - Filesize:541199 [weak] - SHA512:3c5e6622bf70604efc8282709076dcb9bac79731d94360e9d32bb695d6752d1668ddcf56289b713493c484a6e750a184d22004d535242f28bda861dacd4f306f - SHA256:84abe9b85ee6b5a9abfe3fb55f9b0f0e917951082325beb849e62942a6b627c5 - SHA1:f7f88336d741632b05389e420617c6081fd82250 [weak] - MD5Sum:ee5201b89e092013f44f7fc2852e73df [weak] Release file created at: Mon, 30 May 2022 07:15:43 +0000 E: Some index files failed to download. They have been ignored, or old ones used instead. Further info as per the "Ubuntu bug reporting guidelines": 1) Output from `lsb_release -rd`: Ubuntu 20.04.4 LTS 2) Output from `apt-cache policy apt`: Installed: 2.0.6 Candidate: 2.0.8 Version table: 2.0.8 500 500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages *** 2.0.6 100 100 /var/lib/dpkg/status 2.0.2ubuntu0.2 500 500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages 2.0.2 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages (note, upgrading to the latest 2.0.8 doesn't make any difference) 3) What I expected to happen: apt-get update works after adding the "ddebs" repository. 4) What happened instead: apt-get update fails with a "File has unexpected size" error after adding the "ddebs" repository. 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