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    SubjectRe: ACPI modpost failure in 2.6.23-rc1-git2
    Andy Whitcroft wrote:
    > Michal Piotrowski wrote:
    >> Hi Andy,
    >>
    >> On 06/08/07, Andy Whitcroft <apw@shadowen.org> wrote:
    >>> Between 2.6.23-rc1-git1 and 2.6.23-rc1-git2 we started getting the
    >>> following fatal error during modpost on an x86_64 machine:
    >>>
    >>> FATAL: drivers/acpi/video: sizeof(struct acpi_device_id)=20 is not a
    >>> modulo of the size of section __mod_acpi_device_table=48.
    >>> Fix definition of struct acpi_device_id in mod_devicetable.h
    >>> make[1]: *** [__modpost] Error 1
    >>>
    >>> This check seems to have been added as part of the following commit:
    >>>
    >>> commit 29b71a1ca74491fab9fed09e9d835d840d042690
    >>> Author: Thomas Renninger <trenn@suse.de>
    >>> Date: Mon Jul 23 14:43:51 2007 +0200
    >>>
    >>> ACPI: autoload modules - Create ACPI alias interface
    >>>
    >>> Compiler version:
    >>> Reading specs from /usr/lib/gcc/i486-linux/3.4.4/specs
    >>> Configured with: ../src/configure -v
    >>> --enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr
    >>> --libexecdir=/usr/lib --with-gxx-include-dir=/usr/include/c++/3.4
    >>> --enable-shared --with-system-zlib --enable-nls
    >>> --without-included-gettext --program-suffix=-3.4 --enable-__cxa_atexit
    >>> --enable-libstdcxx-allocator=mt --enable-clocale=gnu
    >>> --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk
    >>> --disable-werror i486-linux
    >>> Thread model: posix
    >>> gcc version 3.4.4 20050314 (prerelease) (Debian 3.4.3-13sarge1)
    >>>
    >>> We are compiling a 64bit kernel on a machine with a pretty old
    >>> userspace which is 32bit.
    >>>
    >>> Let me know if you need more info.
    >>>
    >>> -apw
    >> similar to
    >>
    >> Subject : modpost bug breaks ia64 cross compilation
    >> References : http://lkml.org/lkml/2007/7/27/30
    >> http://lkml.org/lkml/2007/7/27/418
    >> Last known good : ?
    >> Submitter : Jan Dittmer <jdi@l4x.org>
    >> Caused-By : Thomas Renninger <trenn@suse.de>
    >> commit 29b71a1ca74491fab9fed09e9d835d840d042690
    >> Handled-By : ?
    >> Patch : http://lkml.org/lkml/2007/8/2/211
    >> Status : patch was suggested
    >>
    >> Please try this patch http://lkml.org/lkml/2007/8/2/211
    >
    > Will do. That is vile though.
    >
    > It feels like we should be generating this information in the kernel
    > build and extracting it from the built kernel.

    Confirmed that this patch does indeed fix up my problem machine.

    Its very ugly but it does work.

    -apw
    -
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