bob prohaska  wrote:
> Lately attempts to use apt-get have been going awry, like so:
>
> bob@raspberrypi:~ $ sudo apt-get clean
> bob@raspberrypi:~ $ sudo apt-get update
> Get:1 http://raspbian.raspberrypi.org/raspbian stretch InRelease [15.0 kB]
> Hit:2 http://archive.raspberrypi.org/debian stretch InRelease
> Get:3 http://raspbian.raspberrypi.org/raspbian stretch/main armhf Packages
[11.7 MB]
> Err:3 http://raspbian.raspberrypi.org/raspbian stretch/main armhf Packages
>   Hash Sum mismatch
>   Hashes of expected file:
>    - Filesize:11662628 [weak]
>    - SHA256:203e317bfde8cbbcb7677160459573bcb0f1a60dc07fec7b9c4faab3c1a8494e
>    - SHA1:25d446506d592a3207e8917177a3e8d8849b81a8 [weak]
>    - MD5Sum:4fb63b0668099b0752c75d45f18fedc6 [weak]
>   Hashes of received file:
>    - SHA256:6d332bfac22e51d07bb18d8e664c6ee5d85868321738d123bc7a0fb9898156c9
>    - SHA1:79f7cdbc6ee28d91472d330f7629136fed235fa0 [weak]
>    - MD5Sum:884352f5fbcfed64a47b7611b11af246 [weak]
>    - Filesize:6799545 [weak]
>   Last modification reported: Mon, 24 Jun 2019 04:30:23 +0000
>   Release file created at: Mon, 24 Jun 2019 16:28:10 +0000
> Fetched 6,815 kB in 1min 8s (98.9 kB/s)
> Reading package lists... Done
> E: Failed to fetch
http://raspbian.raspberrypi.org/raspbian/dists/stretch/main/binary-armhf/Packag
es.xz  Hash Sum mismatch
>    Hashes of expected file:
>     - Filesize:11662628 [weak]
>     - SHA256:203e317bfde8cbbcb7677160459573bcb0f1a60dc07fec7b9c4faab3c1a8494e
>     - SHA1:25d446506d592a3207e8917177a3e8d8849b81a8 [weak]
>     - MD5Sum:4fb63b0668099b0752c75d45f18fedc6 [weak]
>    Hashes of received file:
>     - SHA256:6d332bfac22e51d07bb18d8e664c6ee5d85868321738d123bc7a0fb9898156c9
>     - SHA1:79f7cdbc6ee28d91472d330f7629136fed235fa0 [weak]
>     - MD5Sum:884352f5fbcfed64a47b7611b11af246 [weak]
>     - Filesize:6799545 [weak]
>    Last modification reported: Mon, 24 Jun 2019 04:30:23 +0000
>    Release file created at: Mon, 24 Jun 2019 16:28:10 +0000
> E: Some index files failed to download. They have been ignored, or old ones
used instead.
>

The problem seemed to go away some days ago, but it has returned so I tried
using aptitude.

Using apt-get it appeared the files were coming from a mirror at UC Berkeley.
Using aptitude the files are coming from raspberrypi.org, so it's not a
mirror problem. Aptitude still reports hash sum mismatches. Copy from the
aptitude terminal window doesn't work, so it isn't easy to quote an example,
but the text looks roughly similar with different sums and filesizes.

The only other quirk is that the download starts fast, tens of kB/sec,
and slows to ones or twos of kB/sec. Speedof.me reports 5 MB/s down, 1 MB/s
up, so the connection isn't the issue.

Thanks for reading, any ideas appreciated.

bob prohaska

--- SoupGate-Win32 v1.05