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

[Michael Tremer <michael.tremer@ipfire.org>]

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Hello,

No problem, fixed:

  https://git.ipfire.org/?p=ipfire-2.x.git;a=commitdiff;h=3e0719398a3ad0368c90dc32060afa10c8e29d02

-Michael

> On 8 Aug 2024, at 19:25, Adolf Belka <adolf.belka(a)ipfire.org> wrote:
> 
> 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
>>>>>