Thanks.  We've got the proposed package running under production load
currently.   Will advise in a few days if the bug remains fixed after
updating from the PPA version.


Best Regards,

Scott Bisker


On Thu, Feb 19, 2026 at 3:55 PM Renan Rodrigo <[email protected]>
wrote:

> Hello, Scott,
> Yes it takes a little while for everything to build and publish once
> accepted. I just checked a 24.04 machine here, and it seems the package is
> already there for amd64
>
> # apt policy php8.3
> php8.3:
>   Installed: (none)
>   Candidate: 8.3.6-0ubuntu0.24.04.6
>   Version table:
>      8.3.6-0ubuntu0.24.04.7 100
>         100 http://archive.ubuntu.com/ubuntu noble-proposed/main amd64
> Packages
>      8.3.6-0ubuntu0.24.04.6 500
>         500 http://archive.ubuntu.com/ubuntu noble-updates/main amd64
> Packages
>         500 http://security.ubuntu.com/ubuntu noble-security/main amd64
> Packages
>      8.3.6-0maysync1 500
>         500 http://archive.ubuntu.com/ubuntu noble/main amd64 Packages
>
> So you can try to install it now.
>
> As you can see, the version in -proposed is not the candidate because of
> pinning (you should not be installing things from proposed by default
> hehehe) ; so you may have to run
> `apt install php8.3 -t noble-proposed`
> to get it.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2130569
>
> Title:
>   php-fpm scoreboard: failed to lock
>
> Status in php8.3 package in Ubuntu:
>   Invalid
> Status in php8.3 source package in Noble:
>   Fix Committed
>
> Bug description:
>   [ Impact ]
>
>   Users see an error like
>   FastCGI sent in stderr: "scoreboard: failed to lock (already locked);
> status: unable to find or access status shared memory"
>   when using PHP-FPM.
>
>   The fix for this issue has been applied upstream in version 8.3.16,
>   and it's being backported to 8.3.6 here.
>
>   [ Test Plan ]
>
>   As the bug is caused by a race condition and may not affect all
> environments, it's not easy to reproduce it for testing.
>   However, the reporter has been experiencing it in their environment, and
> have tested a PPA version with the patch applied, confirming it has been
> solved on their end.
>   So for testing this, we agree that the reporter will test the package
> from -proposed and confirm in this bug that the problem is not happening
> anymore.
>
>   [ Where problems could occur ]
>
>   As this is an upstream patch, we are confident it's correct. We have
>   checked it is compatible with version 8.3.6 by checking the code and
>   how the changes are isolated, and hope that any unseen incompatibility
>   will be caught in autopkgtests.
>
>   The testing is being performed by an user instead of a deterministic
> script. Problems and approaches are:
>   - there may be errors in the setup/testing:
>     - we ask for outputs of apt-policy to make sure the package is
> installed from -proposed, and
>     - the user is able to generate a graph with the error counts, pointing
> out when the package was installed and for how much time it was in use
>   - the user environment may not represent all environments:
>     - we are confident this is not the case, as upstream discussion in the
> bug show several people with similar configurations going through the same
> bug.
>
>   [ Original description ]
>
>   There is a bug present in PHP versions < 8.3.16 that has been fixed in
>   newer versions.  This affects PHP-FPM.
>
>   The error is as follows:
>   FastCGI sent in stderr: "scoreboard: failed to lock (already locked);
> status: unable to find or access status shared memory"
>
>   This was fixed in PHP 8.3.16
>   https://www.php.net/ChangeLog-8.php#8.3.16
>   Fixed bug GH-13437 (FPM: ERROR: scoreboard: failed to lock (already
> locked)).
>
>   GitHub Issue:  https://github.com/php/php-src/issues/13437
>
>   Please backport this bug fix to PHP 8.3.6.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/php8.3/+bug/2130569/+subscriptions
>
>

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https://bugs.launchpad.net/bugs/2130569

Title:
  php-fpm scoreboard: failed to lock

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https://bugs.launchpad.net/ubuntu/+source/php8.3/+bug/2130569/+subscriptions


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