GNU bug report logs - #63738
[PATCH glibc] Stop checking if MiG supports retcode.

Message received at submit <at> debbugs.gnu.org:

Received: (at submit) by debbugs.gnu.org; 26 May 2023 14:21:31 +0000
From debbugs-submit-bounces <at> debbugs.gnu.org Fri May 26 10:21:31 2023
Received: from localhost ([127.0.0.1]:50501 helo=debbugs.gnu.org)
	by debbugs.gnu.org with esmtp (Exim 4.84_2)
	(envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>)
	id 1q2YJu-00009T-8F
	for submit <at> debbugs.gnu.org; Fri, 26 May 2023 10:21:31 -0400
Received: from lists.gnu.org ([209.51.188.17]:36016)
 by debbugs.gnu.org with esmtp (Exim 4.84_2)
 (envelope-from <jbranso@HIDDEN>) id 1q2YJr-00009J-T5
 for submit <at> debbugs.gnu.org; Fri, 26 May 2023 10:21:28 -0400
Received: from eggs.gnu.org ([2001:470:142:3::10])
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <jbranso@HIDDEN>)
 id 1q2YJq-0005zc-4K; Fri, 26 May 2023 10:21:26 -0400
Received: from mx1.dismail.de ([78.46.223.134])
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <jbranso@HIDDEN>)
 id 1q2YJh-0007Ia-QB; Fri, 26 May 2023 10:21:25 -0400
Received: from mx1.dismail.de (localhost [127.0.0.1])
 by mx1.dismail.de (OpenSMTPD) with ESMTP id faea2b21;
 Fri, 26 May 2023 16:21:12 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=dismail.de; h=from:to:cc
 :subject:references:date:in-reply-to:message-id:mime-version
 :content-type:content-transfer-encoding; s=20190914; bh=cwEKkd4P
 rIVktczQoH5gl796j7lwKbQSEjSQHkN21DQ=; b=hfQkqEbx1FmIncKIr3WOMPb2
 wZVIwrH3ax4tzlCuyZOtL58qcx5kh7YheOiqJ/Bf4Wam75ewwNL87XkLDUXnUBZt
 JT+9KQ7kv2h3FWZdDsAev1c4eFN13Qaq8nN+jqxnB/yw9EsAAVfOxxlDsqmQGtny
 3Tr5l7ja7KT3ROSIqpRCoueujybB/3OmWRi4zBNjdzbutQ/Xyr1CzJh2KavHNjos
 tXXgVi809xKIJjE7inYlG1+WILmUXSnJPiPNZDUeCS/+Wl6xd2i1oD2sAUxVaFBM
 GuqwQtDljLYq/nKFTGksAuPX+I0QUxSMQpAhcM+WFwqT8UaD75W4RXZUx5NdMA==
Received: from smtp2.dismail.de (<unknown> [10.240.26.12])
 by mx1.dismail.de (OpenSMTPD) with ESMTP id 9c689108;
 Fri, 26 May 2023 16:21:11 +0200 (CEST)
Received: from smtp2.dismail.de (localhost [127.0.0.1])
 by smtp2.dismail.de (OpenSMTPD) with ESMTP id ce8b35f2;
 Fri, 26 May 2023 16:21:11 +0200 (CEST)
Received: by dismail.de (OpenSMTPD) with ESMTPSA id 484d9236
 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); 
 Fri, 26 May 2023 16:21:10 +0200 (CEST)
From: Joshua Branson <jbranso@HIDDEN>
To: janneke@HIDDEN
Subject: Re: [PATCH glibc] Stop checking if MiG supports retcode.
References: <ZFspor91aoMwbh9T@HIDDEN>
 <CAN9u=HfUw2-6b2Ac4sCG8OhLKBdHVD9b3OsVOQHmVKkRJdquCw@HIDDEN>
 <CAKwpGPwkdur-cwohF9=Ww_kbs3A8-iK+=E8y3V-Gr3JnmgpF8Q@HIDDEN>
 <CAN9u=HcwiHAZYsXDZq1qV3-GcJujZPc996CvCZLmkTtKNwazHA@HIDDEN>
 <CAKwpGPw8ciD3kztwQ=5zgSspxbdwhwafHdsGa1Pyoj9zsQg-jw@HIDDEN>
 <CAN9u=Hf+BmVMf+PrQp9moognbarvjcf0K6Ss2uba5UeFSBi7Og@HIDDEN>
 <CAKwpGPyRazwJEjXwQgQj+j8gdn3WS-TuLmrBv8vAZQu5qWpPaA@HIDDEN>
 <CAN9u=HcXtT3j+hwrhzFT-VfH8grZ50WHgDpTNahVaYuYC_OhuQ@HIDDEN>
 <CAKwpGPyXf0LaUH3Mgwqq1duG0O6xUcEuzYRAfQiJmsqgicS+oQ@HIDDEN>
X-Gnus-Sucks: I know man
Date: Fri, 26 May 2023 10:21:04 -0400
In-Reply-To: <CAKwpGPyXf0LaUH3Mgwqq1duG0O6xUcEuzYRAfQiJmsqgicS+oQ@HIDDEN>
 (=?utf-8?Q?=22Fl=C3=A1vio?= Cruz"'s message of "Fri, 26 May 2023 08:00:00
 -0400")
Message-ID: <87353jb2cv.fsf@HIDDEN>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu)
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Received-SPF: pass client-ip=78.46.223.134; envelope-from=jbranso@HIDDEN;
 helo=mx1.dismail.de
X-Spam_score_int: -27
X-Spam_score: -2.8
X-Spam_bar: --
X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,
 DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,
 RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001,
 T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no
X-Spam_action: no action
X-Spam-Score: -1.4 (-)
X-Debbugs-Envelope-To: submit
Cc: guix-devel@HIDDEN, bug-guix@HIDDEN
X-BeenThere: debbugs-submit <at> debbugs.gnu.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: <debbugs-submit.debbugs.gnu.org>
List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe>
List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/>
List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org>
List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help>
List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe>
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
X-Spam-Score: -2.4 (--)


Hey guix people!  The Hurd developers having a 64 bit Hurd that can run
/bin/sh.  The below are some tips for how to set up such a thing if you
were so inclined.  The Debian people are providing 64-bit hurd
applications here for now:

https://people.debian.org/~sthibault/tmp/hurd-amd64

Fl=C3=A1vio Cruz <flaviocruz@HIDDEN> writes:

> Hi Sergey
>
> On Fri, May 19, 2023 at 4:02=E2=80=AFAM Sergey Bugaev <bugaevc@HIDDEN>=
 wrote:
>
>  Hi,
>
>  On Fri, May 19, 2023 at 9:43=E2=80=AFAM Fl=C3=A1vio Cruz <flaviocruz@gma=
il.com>
>  wrote:
>  > I have made changes so that it does daily builds and I'm able to boot
>  small programs. However, I haven't had the time to boot programs built
>  against Glibc. How do you package and boot the static binaries using a
>  ramdisk? I've been reading the other threads about the Guix/rumpkernel
>  so I might be able to piece something together and try it this weekend.
>
>  You just put the entirety of the root filesystem (containing /usr,
>  /bin, /lib, /hurd, and so on) as an ext2 image into a *file* that you
>  place onto the actual drive (a CD disk in my case), and then you ask
>  GRUB to load the file from the drive into memory, tell gnumach to make
>  a ramdisk device out of it (you'll need to apply [0]), and tell ext2fs
>  to use that device. Here's the relevant piece of my grub config
>  script:
>
>  [0]:
>  https://salsa.debian.org/hurd-team/gnumach/-/blob/master/debian/patches/=
50_initrd.patch
>=20=20
>
>  multiboot /boot/gnumach console=3Dcom0
>  module /boot/initrd.ext2 initrd.ext2 '$(ramdisk-create)'
>  module /sbin/ext2fs.static ext2fs
>  --multiboot-command-line=3D'${kernel-command-line}' --readonly
>  --host-priv-port=3D'${host-port}' --device-master-port=3D'${device-port}'
>  --exec-server-task=3D'${exec-task}' --kernel-task=3D'${kernel-task}' -T
>  device rd0 '$(fs-task=3Dtask-create)' '$(prompt-task-resume)'
>  module /lib/ld.so.1 ld.so.1 /hurd/exec
>  --device-master-port=3D'${device-port}' '$(exec-task=3Dtask-create)'
>  boot
>
>  (I should probably change it to not hardcode 'rd0', but whatever).
>  Note that /boot/gnumach, /boot/initrd.ext2, /sbin/ext2fs.static, and
>  /lib/ld.so.1 are all paths inside the CD image (those are going to be
>  loaded by GRUB), and /boot/initrd.ext2 is the ext2 filesystem image
>  containing the actual Hurd root. /hurd/exec however is already a path
>  inside the fs image -- this is where ld.so (not grub) is going to load
>  the exec server from. The only static binary here is ext2fs.static,
>  the rest are all dynamically linked.
>
>  Then in /libexec/console-run (inside the filesystem image), I have
>  written the following:
>
>  #! /bin/sh
>
>  settrans -ac /dev/mach-console /hurd/streamio console
>  exec <>/dev/mach-console >&0 2>&0
>  echo Hello from /bin/sh!
>  exec /bin/sh -i
>
>  (If you're going to do the same, don't forget to create the
>  /dev/mach-console node beforehand, since the fs is read-only.) I also
>  had to patch streamio a little to do the \r -> \n conversion like
>  glibc already does in devstream:
>
>  diff --git a/trans/streamio.c b/trans/streamio.c
>  index 272a002c..0af1aea3 100644
>  --- a/trans/streamio.c
>  +++ b/trans/streamio.c
>  @@ -500,6 +500,9 @@ trivfs_S_io_read (struct trivfs_protid *cred,
>                    cred->po->openmodes & O_NONBLOCK);
>     pthread_mutex_unlock (&global_lock);
>     *data_len =3D data_size;
>  +  for (size_t i =3D 0; i < data_size; i++)
>  +    if ((*data)[i] =3D=3D '\r')
>  +      (*data)[i] =3D '\n';
>     return err;
>   }
>
>  (maybe I should also add echoing of input characters in the same way,
>  which is also what glibc's devstream does -- otherwise currently I
>  don't see what I'm typing on the console).
>
>  Make sure to use the very latest glibc (Samuel has already pushed all
>  of my patches upstream!) + the BRK_START hack.
>
> Thanks for the instructions. I was able to make it work and pushed my
> changes to Github.
>
> For people that might want to try out the new port using
> https://github.com/flavioc/cross-hurd,
> the following will download the packages and build a disk image with the =
ram
> disk:
>
> $ export CPU=3Dx86_64
> $ bash download.sh && bash bootstrap.sh && bash compile.sh && bash
> create-initrd.sh
>
> Then, to run qemu:
>
> $ bash start-qemu-debug.sh
>
>  Sergey
>

--=20

Joshua Branson
Sent from the Hurd