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GNU Mach 1.5 released

From: Thomas Schwinge
Subject: GNU Mach 1.5 released
Date: Wed, 15 Apr 2015 22:50:43 +0200
User-agent: Notmuch/0.9-101-g81dad07 ( Emacs/24.4.1 (i586-pc-linux-gnu)


We're pleased to announce version 1.5 of GNU Mach, the GNU distribution
of the Mach microkernel,

GNU Mach is the microkernel upon which a GNU Hurd system is based.  It
provides an Inter Process Communication (IPC) mechanism that the Hurd
uses to define interfaces for implementing in a distributed multi-server
fashion the services a traditional operating system kernel provides.

GNU Mach runs on 32-bit x86 machines.  A version running on 64-bit x86
(x86_64) machines is in progress.  Volunteers interested in ports to
other architectures are sought; please contact us (see below) if you'd
like to help.

This new release bundles bug fixes and enhancements done since the last

| Version 1.5 (2015-04-10)
| Numerous cleanups and stylistic fixes of the code base.  Several
| problems have been identified using static analysis tools and
| subsequently been fixed.
| A protected payload can now be associated with capabilities.  This
| payload is attached by the kernel to delivered messages and can be
| used to speed up the object lookup in the receiving task.
| The kernel debugger can now parse ELF symbol tables, can be invoked
| over serial lines, gained two new commands and has received usability
| improvements.
| The vm pageout policy has been tuned to accommodate modern hardware.
| The kernel gained partial ACPI support on x86, enough to power down
| the system.

Many thanks to all the people who are helping!

Releases may be downloaded from <>, or
checked out of Git, <>.

The MD5 and SHA1 checksums for this distribution are:

3023f061532470da8850ff9be5c4fcdb  gnumach-1.5.tar.bz2
62aa5a3334532b606fc61bc0229f763c  gnumach-1.5.tar.bz2.sig
4d62717ca8f68dede42d82b162c3cefe  gnumach-1.5.tar.gz
604fa9741d0e2a2f0a1d354d06de4577  gnumach-1.5.tar.gz.sig

ed0b90ba8a15b497e879a2d441dff5ac41268a6c  gnumach-1.5.tar.bz2
48077efd12b95a3eab1c8ca5a91b9e0737848e81  gnumach-1.5.tar.bz2.sig
89d23ee7b306b3a7359ab2be864dd46a079ffc71  gnumach-1.5.tar.gz
7c6887d48dd0125040602d2297318af9b7608036  gnumach-1.5.tar.gz.sig

Please read the FAQ at <>.
Bug reports should be sent to <address@hidden> or filed on
<>.  Requests for assistance
should be sent to <address@hidden> or filed on
<>.  You can also find us on
the Freenode IRC network in the #hurd channel.

For the maintainers,

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