Salvatore pointed the following bug to track and comment on issues
related to bullseye-lts APT access:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1147093
Apparently multiple issues occurred, there are also missing .deb files.
Cheers!
Sylvain Beucler
Debian LTS Team
On 09/09/2026 09:46, 杜德利 wrote:
I completely agree. Halting the Valid-Until updates before debian-
security had been properly transitioned does not seem reasonable, and it
affects all users relying on these repositories.
From: [email protected] <mailto:[email protected]>
Date: Wed, Sep 9, 2026, 05:25
Subject: [External] Re: bullseye-security Valid-Until expiry after
Debian 11 LTS EOL
To: "杜德利"<[email protected] <mailto:[email protected]>>,
"Sylvain Beucler"<[email protected] <mailto:[email protected]>>, <debian-
[email protected] <mailto:[email protected]>>
Cc: "鲍海亭"<[email protected]
<mailto:[email protected]>>, "雷玉亚"<[email protected]
<mailto:[email protected]>>, "佘开锐"<[email protected]
<mailto:[email protected]>>, "张延
枫"<[email protected]
<mailto:[email protected]>>
On Sep 8, 2026 22:14, Sylvain Beucler <[email protected]
<mailto:[email protected]>> wrote:
>
> Hi,
>
> On 07/09/2026 07:16, 杜德利 wrote:
> > Dear Debian LTS Team,
> > I would like to confirm whether the current bullseye-security
repository
> > state after Debian 11 LTS end-of-life is expected, and what the
> > recommended handling is.
> > Debian 11 bullseye LTS reached end-of-life on 31 August 2026.
> > Environment:
> >
> > * Debian 11 (bullseye)
> * Mirror: http://mirrors.cloud.aliyuncs.com/debian-security <http://
mirrors.cloud.aliyuncs.com/debian-security> > >
mirrors.cloud.aliyuncs.com/debian-security <http://
mirrors.cloud.aliyuncs.com/debian-security>>
> > * Test method: set system date to 2026-09-09 and run apt-get update
> >
> > *Observed error:*
> > **
> > As additional context, the security InRelease metadata we checked from
> > the Debian side is already for Debian 11 / bullseye-security:
> > We are also seeing that some packages are no longer available from the
> > bullseye-security repository.
> > We have seen that Debian 10 security content was eventually moved to
> > archive infrastructure, so we would like to understand whether
Debian 11
> > bullseye-security is expected to follow the same transition path,
and if
> > so, what repository configuration users should adopt.
> > Could you please clarify:
> >
> > 1. whether the current behavior is the expected post-EOL state for
> > bullseye-security;
>
AFAICS security.debian.org <http://security.debian.org> is always signed with a
short-term
> Valid-Until, and regenerated often. When bullseye-lts got EOL this
> stopped being updated, which seems consistent, if a little inconvenient,
> resulting in your error.
>
> If you need to keep using bullseye-lts, you could:
>
> - use '-o Acquire::Check-Valid-Until=false' to bypass the error
>
> - switch to bullseye ELTS and keep getting security updates
https://www.freexian.com/lts/extended/ <https://www.freexian.com/lts/
extended/>
>
> > 2. whether Debian 11 bullseye-security is expected to move to archive
> > infrastructure, and what the recommended handling is for systems
> > that still need final migration / verification work.
>
From prior experience, moving to archive.debian.org <http://archive.debian.org>
can take months and
> is not scheduled precisely, so you should have the time to finish
> handling the final migrations. This is not handled by the Debian LTS
> team so I can't help you more there.
>
> Cheers!
> Sylvain Beucler
> Debian LTS Team
IMO, this shouldn't have happened before it was archived. There is
something wrong in this process.