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    SubjectRe: Fwd: Re: Linux 2.6.22-rc1
    On Mon, May 14, 2007 at 10:45:46AM -0700, Randy Dunlap wrote:
    > On Mon, 14 May 2007 07:49:31 +0200 (MEST) Jan Engelhardt wrote:
    >
    > >
    > > On May 14 2007 10:55, Mattia Dongili wrote:
    > > >On Sun, May 13, 2007 at 11:27:31AM +0200, Jan Engelhardt wrote:
    > > >> On May 12 2007 20:20, Linus Torvalds wrote:
    > > >> >
    > > >> >Ok, the merge window has closed, and 2.6.22-rc1 is out there.
    > > >>
    > > >> I have hit a randconfig compile failure. .config attached.
    > > >>
    > > >> LD .tmp_vmlinux1
    > > >> drivers/built-in.o: In function `acpi_bus_generate_event':
    > > >> (.text+0x233f7): undefined reference to `event_is_open'
    > > >> drivers/built-in.o: In function `acpi_bus_get_power':
    > > >> (.text+0x236ad): undefined reference to `acpi_power_get_inferred_state'
    > > >> drivers/built-in.o: In function `acpi_bus_set_power':
    > > >> (.text+0x237c3): undefined reference to `acpi_power_transition'
    > > >> drivers/built-in.o: In function `acpi_bus_set_power':
    > > >> (.text+0x23835): undefined reference to `acpi_power_transition'
    > > >> drivers/built-in.o: In function `sony_pic_fanspeed_store':
    > > >> sony-laptop.c:(.text+0x91930): undefined reference to `ec_write'
    > > >> drivers/built-in.o: In function `sony_pic_fanspeed_show':
    > > >> sony-laptop.c:(.text+0x9195d): undefined reference to `ec_read'
    > > >> make: *** [.tmp_vmlinux1] Error 1
    > > >
    > > >I actually can't reproduce it with your .config.
    > >
    > > But I can. Did you try it on x86_64? From 2.6.22-rc1 [
    > > commit 39403865d2e4590802553370a56c9ab93131e4ee in /linux-2.6.git] ?
    > >
    > > bzip2 -cd randconfig-1.bz2 >.config
    > > make -j8
    >
    > Yes, build easily fails for me also.

    ok, as far as sony-laptop is concerned a dependency on ACPI_EC suffices
    to fix the link failure, but I guess that would just hide the real
    issue.
    IOW: why does ACPI_EC, ACPI_SYSTEM and ACPI_POWER are not set when the
    ACPI symbol is?

    Given the drivers/acpi/Kconfig portion

    if ACPI
    ...
    config ACPI_EC
    bool
    default y
    help
    ...

    config ACPI_POWER
    bool
    default y

    config ACPI_SYSTEM
    bool
    default y
    help
    ...
    ...
    endif

    I'd expect the 3 symbols to be all set when CONFIG_ACPI=y.
    What am I overseeing?

    --
    mattia
    :wq!
    -
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