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Hello fellow Armbian folk, I've been a happy armbian user for many years. Recently, I've been trying to upgrade to bookworm from bullseye on my cubietruck, however have been hampered by Hash Sum mismatch errors from multiple armbian mirrors. I have followed all instructions on clearing the /var/lib/apt/files, apt clean, but nothing seems to help. I've tried multiple armbian mirrors with no luck. So now I'm seeking some community support.

Unfortunately yes Igor, the issue is still happening. Perhaps, I could try another armbian mirror. My steps included clearing the /var/lib/apt/lists directory, sudo apt clean, sudo apt update (all fine), sudo apt upgrade --no-new-pkgs (resulting in armbian Hash Sum mismatch errors)

I was observing similar issues on four systems, two Odroid HC1 and two Odroid MC1, all running Armbian Odroid XU4 image. I think they were all upgraded from Bullseye to Bookworm at some point, but not recently. They run updates once per day, and it looks like the first failure was 2 days and 16 hours before time of writing. I observed "Hash Sum mismatch" errors and 404 errors, similar to OP, on each host, yesterday. Automatic updates started succeeding again about an hour ago. My assessment is that one more more mirrors were probably broken for a few days, and just got fixed. On the other hand, the openmediavault forum has thread 51654 on what looks like similar errors, and they seem to have recognized a problem with this upgrade path and applied a known fix to resolve. If you don't find that updates are suddenly working, now, I would check whether their solution applies to your situation.

Thanks all, I did try the suggested upgrade fix below, but unfortunately no luck with my armbian upgrade. The armbian files that fail Hash Sum mismatch are: Err:1 https://au.sbcmirror.org/armbian/apt bookworm/main armhf base-files armhf 24.2.1-12.4+deb12u5-bookworm Err:2 https://au.sbcmirror.org/armbian/apt bookworm/main armhf armbian-config all 24.2.1 While other armbian download files result in the following: Err:3 http://au.sbcmirror.org/armbian/apt bookworm/main armhf armbian-firmware-full all 24.2.1 File has unexpected size (433621460 != 433621492). Mirror sync in progress? [IP: 95.111.218.236 443] Err:8 https://au.sbcmirror.org/armbian/apt bookworm/main armhf linux-dtb-current-sunxi armhf 24.2.1 404 Not Found [IP: 95.111.218.236 443] E: Failed to fetch https://au.sbcmirror.org/armbian/apt/pool/main/b/base-files/base-files_24.2.1-12.4%2bdeb12u5-bookworm_armhf__1-bookworm-1armbian1-Ba4f9-U12.4--deb12u5-R55fa.deb Hash Sum mismatch Note: all the debian bookmark mirror files were all fine.

Tried installing Armbian_23.11.1_Nanopineoplus2_jammy_current_6.1.63.img and it is super slow during first boot process regardless of SD type. Localization craps out with "Failed to set time zone: Transport endpoint is not connected". I boot with wired Ethernet and when I get to a prompt I can ping outside locations. apt update produces "Hash Sum mismatch" Anyways, doing my part testing legacy boards, hahahaha

I'm getting this error when running apt update (as root): Get:13 https://armbian.hosthatch.com/apt buster/main armhf Packages [592 kB] Err:13 https://armbian.hosthatch.com/apt buster/main armhf Packages Ign:15 https://us.mirrors.fossho.st/armbian/apt buster/main armhf Contents (deb) Fetched 718 kB in 18s (40.9 kB/s) Reading package lists... Done E: Failed to fetch https://armbian.hosthatch.com/apt/dists/buster/main/binary-armhf/Packages.gz E: Failed to fetch https://armbian.tnahosting.net/apt/dists/buster/buster-desktop/Contents-armhf.gz Hash Sum mismatch Hashes of expected file: - Filesize:96109 [weak] - SHA512:85a1dd0e1f1a8717d19b27f557d43a52d66684e2de10136938a14db8c3885e045d4b3844b3e3cca6054374c543237111a950d5d9a73ee5949f90e0db14bc88f6 - SHA256:77d0e508761d7498af6dd22e8187455ad817987dc556cdb3a98620290a6fb85e - SHA1:315817cdcdf715e2975a7b17a7ae48908fd753d7 [weak] - MD5Sum:1b9b596862c66cc1bc43efe3247c3850 [weak] Hashes of received file: - SHA512:eaf8261721500c8bf2060cd5e1b4dc3a8ba2db113d0752491b75c50f30e8292faa705cf1d07c25c38be5462eccaf5ad40b0581e9d8cd1845d24be6ef7e61f9f5 - SHA256:8d69eb084de8f77619f25b57597c496de97b326881a3b1ba97b0f3eefc314734 - SHA1:ddc15dfea93fe6db51059b991a7a7523120a6b96 [weak] - MD5Sum:f9f5009580fae5763565b687213efff6 [weak] - Filesize:96109 [weak] Last modification reported: Fri, 20 Nov 2020 10:41:49 +0000 Release file created at: Tue, 01 Dec 2020 20:39:06 +0000 E: Some index files failed to download. They have been ignored, or old ones used instead. I trimmed the beginning a bit, but I'm pretty sure I left enough context. Does some package source need to re-issue their signatures? Is anyone else having this problem?

Hello. As I try to update my system I get this: E: Failed to fetch https://minio.k-space.ee/armbian/apt/dists/buster/buster-desktop/Contents-armhf.gz Hash Sum mismatch Hashes of expected file: - Filesize:1851 [weak] - SHA512:ef7aab67fc05cc3e30b82f41967566ecef6fad070817c4115867fe23e0368ccb2849acf850f41250a169d95eb6b4dd7dd2cc14e2f1a92244432100cdaf036991 - SHA256:880e52b050d4c7d2fbd0c5058e380455bb51ca313a4d07c7f25ed61edf469050 - SHA1:699022efd6136b78286e76516a096a2cb6a2eea3 [weak] - MD5Sum:a65883df7850b338094dfc9e2c16125a [weak] Hashes of received file: - SHA512:b66793d4c902406157497ee2480ba1a1acd92512df70138d425c952024154e084838c4ff3c05c60bc8418de4f62a17a454b6202b8e77582fc55dbe1be638ef52 - SHA256:49b62e32c4e8174d1171d60f19af2565506d48c1491c056bc81866694848597f - SHA1:13fb2a29e79a613ea13822ea68cb59d477fdc03f [weak] - MD5Sum:9e68d2e35701971733c9258fca78007e [weak] - Filesize:1851 [weak] Last modification reported: Sun, 18 Oct 2020 16:31:58 +0000 Release file created at: Sun, 08 Nov 2020 13:58:39 +0000 Can the repo be out of sync? This got to be fixed.

https://forum.armbian.com/search/?q=Hash Sum mismatch&quick=1 We need to extend repository index synchronisation timeout from 1 day to several days since mirrors doesn't get in sync in this time frame. The problem is that current main rsync server is slow (only 50Mbps upload in total), but is cheap and has no traffic limits. We know how to solve this, but we lack time: https://armbian.atlassian.net/browse/AR-789

OK, trying from scratch: 1. Installed current image: Armbian_21.05.4_Odroidhc4_buster_current_5.10.43.img.xz 2. apt update got some of those recently quite famous "Hash Sum mismatch" *) errors: Err:19 http://mirrors.netix.net/armbian/apt buster/main arm64 linux-image-current-meson64 arm64 21.05.8 Hash Sum mismatch Hashes of expected file: - SHA512:992fe660df2fafcd5487bd613c87bc8d0e5d01d95c9ca26e3385c964934b3e8517ef71b83e7a0830636172ebbac1831a8c1ed872b513730b4ed9068589aa0a9c - SHA256:bf1396f7dba17c053a7ba42958bd65751e06a3921958669fe63f057e522f3a99 - SHA1:f2a4bad1df0353b8fcc1d111d5bdcc520be98ae7 [weak] - MD5Sum:a2a292c3a27617e6aa0e4877637c5a14 [weak] - Filesize:43238688 [weak] Hashes of received file: - SHA512:595cb6dc4c711e3c86c220dc9342a843232903b2529317a5333ac359f9f92205b1fc36023eaeaa322140a7eabce3670425a096718cc71a8881893bc80be4c79f - SHA256:57519afde133640572833f5e4845a75a0ba840e4f529ab6e73815b2004942e62 - SHA1:050d4f43d1f58755af9e702d5a769cef5ea70639 [weak] - MD5Sum:5830178161646bc59ffafa454931425f [weak] - Filesize:43238688 [weak] Last modification reported: Mon, 09 Aug 2021 13:25:41 +0000 Fetched 73.2 MB in 1min 20s (911 kB/s) E: Failed to fetch http://mirrors.netix.net/armbian/apt/pool/main/l/linux-5.10.57-meson64/linux-image-current-meson64_21.05.8_arm64.deb Hash Sum mismatch Hashes of expected file: - SHA512:992fe660df2fafcd5487bd613c87bc8d0e5d01d95c9ca26e3385c964934b3e8517ef71b83e7a0830636172ebbac1831a8c1ed872b513730b4ed9068589aa0a9c - SHA256:bf1396f7dba17c053a7ba42958bd65751e06a3921958669fe63f057e522f3a99 - SHA1:f2a4bad1df0353b8fcc1d111d5bdcc520be98ae7 [weak] - MD5Sum:a2a292c3a27617e6aa0e4877637c5a14 [weak] - Filesize:43238688 [weak] Hashes of received file: - SHA512:595cb6dc4c711e3c86c220dc9342a843232903b2529317a5333ac359f9f92205b1fc36023eaeaa322140a7eabce3670425a096718cc71a8881893bc80be4c79f - SHA256:57519afde133640572833f5e4845a75a0ba840e4f529ab6e73815b2004942e62 - SHA1:050d4f43d1f58755af9e702d5a769cef5ea70639 [weak] - MD5Sum:5830178161646bc59ffafa454931425f [weak] - Filesize:43238688 [weak] Last modification reported: Mon, 09 Aug 2021 13:25:41 +0000 E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? Tried again and it worked, go figure why. 3. apt upgrade This upgraded the kernel to 5.10.57-meson64 4. apt install linux-headers-current-meson64 5. apt install zfsutils-linux zfs-dkms ZFS is there. *) Recently, few weeks ago, most of my Debian based systems started to fail on "apt update" with this "Hash Sum mismatch" error. Cannot figure out what the problem is. The "solution nr. 1" fro google, rm -rf /var/cache/apt/* /var/lib/apt/lists/* doesn't help.

ok, I started from scratch with only "compile.sh" in an empty directory. Unfortunately it still doesn't work, but by chance I saw a message which is not recorded in the logs: Get:595 http://httpredir.debian.org/debian/ wheezy/main wifi-radar all 2.0.s08+dfsg-1.1 [52.4 kB] Failed to fetch http://httpredir.debian.org/debian/pool/main/w/weather-util/weather-util-data_2.0-1_all.deb Hash Sum mismatch Fetched 295 MB in 43s (6787 kB/s) E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? Free space: tmpfs 2.5G 624M 1.9G 25% /home/qt/armb2/output/cache/sdcard ...could this be the reason? How can I possibly fix it? Or is more data cached anywhere outside of the lib, sources and toolchains directories? I have searched for "fail" and "error" in the available logs, but the only logged one is at the end, when Mail fails.