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Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail)

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Hello,

Peter B, le mer. 27 juil. 2022 18:02:53 +0100, a ecrit:
> Regarding
>     "/../sysdeps/mach/hurd/htl/pt-mutex-lock.c: No such file or directory/"
> Does this suggest a missing dependency?

No it's just that you don't have the glibc source code in your current
directory :)

> #11 0x010bcff2 in __GI___assert_fail (assertion=0x10538b5 "self != NULL",
> file=0x10538ab "pt-self.c", line=28, function=0x10538c4
> <__PRETTY_FUNCTION__.1> "__pthread_self") at assert.c:101
> #12 0x0104d33f in __pthread_self () at pt-self.c:28
> #13 __pthread_self () at pt-self.c:25
> #14 0x0803d0c7 in lock () at sem_inc.c:145
> #15 0x0803d1d6 in DUMA_get_sem () at sem_inc.c:230
> #16 0x0803afcc in _duma_init () at duma.c:1034
> #17 0x0803c386 in _duma_malloc (size=716, filename=0x803e060 <unknown_file>
> "UNKNOWN (use #include \"duma.h\")", lineno=0) at duma.c:1966
> #18 0x0803cc8b in malloc (size=716) at duma.c:2424
> #19 0x0104c33d in __pthread_alloc (pthread=0x1039d30) at pt-alloc.c:124
> #20 0x0104c773 in __pthread_create_internal (thread=0x1039d78,
> attr=0x1039d7c, start_routine=0x0, arg=0x0) at pt-create.c:120
> #21 0x0105146b in _init_routine (stack=<optimized out>) at ../sysdeps/mach/hurd/htl/pt-sysdep.c:66
> #22 0x0001164b in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x1039e54, env=0x1039e5c) at dl-init.c:74
> #23 0x000117f5 in call_init (env=0x1039e5c, argv=0x1039e54, argc=1, l=<optimized out>) at dl-init.c:37
> #24 _dl_init (main_map=0x389d0, argc=1, argv=0x1039e54, env=0x1039e5c) at dl-init.c:88
> #25 0x00002052 in _dl_start_user () from /lib/ld.so

Ok, that confirms what I was guessing: libpthread is initializing
itself, and for that uses a dynamic allocation, during which duma calls
pthread_self, which cannot work yet.

Ideally libpthread would not need to allocate anything for its
initialization, but that's really tricky. Possibly we can trick
pthread_self into being callable very early.

(this is probably working on Linux only by luck)

Samuel

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Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter Blackman <peter@pblackman.plus.com> - 2022-07-27 13:30 +0200
  Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-27 14:00 +0200
    Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-27 19:20 +0200
      Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-27 19:50 +0200
      Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-27 23:40 +0200
        Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 01:10 +0200
          Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-28 17:10 +0200
            Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 17:10 +0200
              Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-28 17:30 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 18:00 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-28 19:10 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-28 19:30 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 19:40 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 20:30 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Peter B <peter@pblackman.plus.com> - 2022-07-28 21:20 +0200
                Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 22:10 +0200
  Bug#1016106: duma: FTBFS on hurd-i386 (builds OK, but most self tests fail) Samuel Thibault <sthibault@debian.org> - 2022-07-28 17:30 +0200

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