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Date:      Fri, 06 Nov 2020 06:42:37 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 250897] linux_common fails to load as a module after r367395: link_elf_obj: symbol sdt_provider_linuxulator undefined
Message-ID:  <bug-250897-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D250897

            Bug ID: 250897
           Summary: linux_common fails to load as a module after r367395:
                    link_elf_obj: symbol sdt_provider_linuxulator
                    undefined
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: osidorkin@gmail.com

After r367395 linux_common.ko uses linux_dummy.c that uses
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);

However=20
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
is compiled in linux_misc.c, that build with linux64.ko.
But linux64.ko depends on linux_misc, so it cannot be loaded before
linux_common.ko

dmesg log:
link_elf_obj: symbol sdt_provider_linuxulator undefined=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
                                                     linker_load_file:
/boot/kernel/linux_common.ko - unsupported file type=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
                                   KLD linux.ko: depends on linux_common - =
not
available or version mismatch=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
         linker_load_file: /boot/kernel/linux.ko - unsupported file type=20=
=20=20=20=20=20=20
                                                              link_elf_obj:
symbol sdt_provider_linuxulator undefined=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20
                                       linker_load_file:
/boot/kernel/linux_common.ko - unsupported file type=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
                                   KLD linux64.ko: depends on linux_common -
not available or version mismatch=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20
           linker_load_file: /boot/kernel/linux64.ko - unsupported file type

--=20
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