Your message dated Tue, 17 Feb 2026 22:19:33 +0000
with message-id <[email protected]>
and subject line Bug#1127895: fixed in nanobind 2.11.0-3
has caused the Debian Bug report #1127895,
regarding nanobind: multiple regressions with MPI
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1127895: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1127895
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: nanobind-dev
Version: 2.11.0-2
Severity: serious
X-Debbugs-Cc: [email protected]
Control: affects -1 + src:fenics-dolfinx
Control: block 1127800 by -1
Control: block 1127672 by -1
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nanobind 2.11.0 introduced some internal changes which break MPI code.
I am yet uncertain what the underlying cause is, but nanobind added
immutability to internal classes, which trigger certain fast paths in
CPython and might cause issues with MPI.
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--- Begin Message ---
Source: nanobind
Source-Version: 2.11.0-3
Done: Timo Röhling <[email protected]>
We believe that the bug you reported is fixed in the latest version of
nanobind, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Timo Röhling <[email protected]> (supplier of updated nanobind package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
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Date: Tue, 17 Feb 2026 23:15:01 +0100
Source: nanobind
Architecture: source
Version: 2.11.0-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Timo Röhling <[email protected]>
Closes: 1127895
Changes:
nanobind (2.11.0-3) unstable; urgency=medium
.
* robin-map-dev is required in 'nocheck' profile
* Fix implicit conversion for std::optional<> types (Closes: #1127895)
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