Re: The unshared changes give a problem with build after doing git pull on next

[Adolf Belka <adolf.belka@ipfire.org>]

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Hi Michael,

I had to run a find-dependencies command with make.sh and it failed because it is looking for build and not build_x86_64 in my system.

I have worked around it by changing build to build_x86_64 in the find-dependencies command as a temporary workaround.

Regards,

Adolf.

On 08/08/2024 14:09, Adolf Belka wrote:
> Hi Michael,
>
> Is the update part of the unshared changes now resolved and working or should I still not try it out?
>
> Regards,
>
> Adolf.
>
> On 06/08/2024 17:40, Michael Tremer wrote:
>> Hello,
>>
>> We should not touch the mount propagation of the host’s namespace.
>>
>> Instead, we should create our own mount namespace and that should be private.
>>
>> You can however try to see what happens when you add —-propagation=slave to the first unshare command.
>>
>> I just installed the plain Ubuntu Server, installed git, checkout out the repository, downloaded the toolchain and ran the build.
>>
>> -Michael
>>
>>> On 3 Aug 2024, at 12:22, Matthias Fischer <matthias.fischer(a)ipfire.org> wrote:
>>>
>>> On 03.08.2024 10:54, Michael Tremer wrote:
>>>> Hello Matthias,
>>> Hi Michael,
>>>
>>> just looked through https://man7.org/linux/man-pages/man1/unshare.1.html
>>> and ran 'findmnt -o+PROPAGATION' (see attachment).
>>>
>>> I don't know if this could help but does this differ from your test
>>> installation?
>>>
>>> Best
>>> Matthias
>>>
>>>>> On 3 Aug 2024, at 08:47, Matthias Fischer <matthias.fischer(a)ipfire.org> wrote:
>>>>>
>>>>> Hi Michael,
>>>>>
>>>>> [shortened some stuff]
>>>>>
>>>>> ...
>>>>>
>>>>>>>>> Being curious I tried to build 'next', but I always get the same error:
>>>>>>>>>
>>>>>>>>> ***SNIP***
>>>>>>>>> root(a)Devel64-1: /git/ipfire-2.x # ./make.sh build
>>>>>>>>> Packaged toolchain compilation
>>>>>>>>> Building IPFire
>>>>>>>>> stage2
>>>>>>>>> Jul 26 13:32:59: Building stage2 unshare: cannot change
>>>>>>>>> /git/ipfire-2.x/build_x86_64/proc filesystem propagation: Invalid argument
>>>>>>>> ...
>>>>>> It looks like you can simply update the kernel staying on the same release:
>>>>>>
>>>>>> https://ubuntu.com/security/livepatch/docs/livepatch/reference/kernels
>>>>>>
>>>>>> For 22.04 LTS, there is a Linux 6.8 image available.
>>>>>>
>>>>>> Could you check that and confirm that it fixes the mount propagation problem?
>>>>> Done.
>>>>>
>>>>> Current state is as follows:
>>>>>
>>>>> ***SNIP***
>>>>> ...
>>>>> root(a)Devel64-1: /git/ipfire-2.x # lsb_release -a
>>>>> No LSB modules are available.
>>>>> Distributor ID: Ubuntu
>>>>> Description:    Ubuntu 22.04.4 LTS
>>>>> Release:        22.04
>>>>> Codename:       jammy
>>>>> ...
>>>>> root(a)Devel64-1: /git/ipfire-2.x # uname -mrs
>>>>> Linux 6.8.0-39-generic x86_64
>>>>> ...
>>>>> ***SNAP***
>>>>>
>>>>> But when I try to build 'next' I get exactly the same error as
>>>>> before:
>>>>>
>>>>> ***SNIP***
>>>>> root(a)Devel64-1: /git/ipfire-2.x # ./make.sh build
>>>>> Packaged toolchain compilation
>>>>> Building IPFire
>>>>> stage2
>>>>>    Aug  2 21:21:15: Building stage2 unshare: cannot change
>>>>> /git/ipfire-2.x/build_x86_64/proc filesystem propagation: Invalid argument
>>>> Ah, this is good information. So it is not the kernel, it rather is Ubuntu handling something differently.
>>>>
>>>> I will have a look at this and get back to you.
>>>>
>>>>> ERROR: Downloading stage2
>>>>>                                       [ FAIL ]
>>>>>    Check /git/ipfire-2.x/log_x86_64/_build.ipfire.log for errors if
>>>>> applicable                                 [ FAIL ]
>>>>> ***SNAP***
>>>>>
>>>>> Being curious, I commented line line 633 in 'make.sh'
>>>>> ("--mount-proc=${BUILD_DIR}/proc") => Building starts but fails during
>>>>> 'glib 2.77.0':
>>>>>
>>>>> ***SNIP***
>>>>> ...
>>>>> glib (2.77.0)
>>>>>                           [     1:14 ][0/1011]
>>>>>
>>>>>    [951/1374] Compiling C object gio/gio.p/gio-tool-tree.c.o
>>>>>    [952/1374] Linking target gio/gio
>>>>>    [953/1374] Compiling C object
>>>>> gio/gio-querymodules.p/gio-querymodules.c.o
>>>>>    [954/1374] Linking target gio/gio-querymodules
>>>>>    [955/1374] Compiling C object gio/gresource.p/gresource-tool.c.o
>>>>>    [956/1374] Compiling C object
>>>>> gio/glib-compile-schemas.p/.._subprojects_gvdb_gvdb_gvdb-reader.c.o
>>>>>    [957/1374] Linking target gio/gresource
>>>>>    [958/1374] Compiling C object
>>>>> gio/glib-compile-schemas.p/.._subprojects_gvdb_gvdb_gvdb-builder.c.o
>>>>>    [959/1374] Compiling C object
>>>>> gio/glib-compile-resources.p/.._subprojects_gvdb_gvdb_gvdb-reader.c.o
>>>>>    [960/1374] Compiling C object
>>>>> gio/glib-compile-resources.p/.._subprojects_gvdb_gvdb_gvdb-builder.c.o
>>>>>    [961/1374] Compiling C object
>>>>> gio/glib-compile-resources.p/glib-compile-resources.c.o
>>>>>    [962/1374] Linking target gio/glib-compile-resources
>>>>>    [963/1374] Compiling C object
>>>>> gio/tests/modules/libtestmodulea.so.p/test-module-a.c.o
>>>>>    [964/1374] Compiling C object gio/gapplication.p/gapplication-tool.c.o
>>>>>    [965/1374] Compiling C object gio/gsettings.p/gsettings-tool.c.o
>>>>>    [966/1374] Linking target gio/tests/modules/libtestmodulea.so
>>>>>    [967/1374] Generating gio/tests/plugin-resources.c with a custom command
>>>>>    FAILED: gio/tests/plugin-resources.c
>>>>> /usr/src/glib-2.77.0/builddir/gio/glib-compile-resources
>>>>> --compiler=gcc --target=gio/tests/plugin-resources.c --sour
>>>>> cedir=/usr/src/glib-2.77.0/gio/tests --internal --generate-source
>>>>> --c-name _g_plugin ../gio/tests/test4.gresource.xml
>>>>> /usr/src/glib-2.77.0/builddir/gio/glib-compile-resources: error
>>>>> while loading shared libraries: libgio-2.0.so.0: can
>>>>> not open shared object file: No such file or directory
>>>>>    [968/1374] Linking target gio/gapplication
>>>>>    [969/1374] Compiling C object
>>>>> gio/glib-compile-schemas.p/glib-compile-schemas.c.o
>>>>>    [970/1374] Linking target gio/gsettings
>>>>>    [971/1374] Compiling C object
>>>>> gio/tests/modules/libtestmoduleb.so.p/test-module-b.c.o
>>>>>    [972/1374] Compiling C object
>>>>> gio/tests/gdbus-overflow.p/gdbus-overflow.c.o
>>>>>    [973/1374] Compiling C object gio/gdbus.p/gdbus-tool.c.o
>>>>>    [974/1374] Compiling C object
>>>>> gio/tests/gdbus-object-manager-example/libgdbus-example-objectmanager.so.p/meson-gener
>>>>> ated_.._objectmanager-gen.c.o
>>>>>    ninja: build stopped: subcommand failed.
>>>>>    make: *** [glib:75: /usr/src/log/glib-2.77.0] Error 1
>>>>>    make: Leaving directory '/usr/src/lfs'
>>>>>
>>>>> ERROR: Building glib
>>>>>                                       [ FAIL ]
>>>>>    Check /git/ipfire-2.x/log_x86_64/_build.ipfire.log for errors if
>>>>> applicable                                 [ FAIL ]
>>>>> ***SNAP***
>>>>>
>>>>> Best
>>>>> Matthias
>>>>