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    SubjectRe: 2.6.22-rc6-mm1

    Jason Wessel wrote:

    >>> allmodconfig on powerpc (iMac g3) fails due to
    >>> git-kgdb.patch. allmodconfig defaults should be changed?

    >>> CC arch/powerpc/kernel/kgdb.o
    >>> arch/powerpc/kernel/kgdb.c:485:2: error: #error Both XMON and KGDB
    >>> selected in .config. Unselect one of them.
    >>> make[1]: *** [arch/powerpc/kernel/kgdb.o] Blad 1
    >>> make: *** [arch/powerpc/kernel] Blad 2

    >> I'm not sure if this will work out but maybe it's worth to disable
    >> XMON if KGDB is selected, like this?
    >> config XMON
    >> bool "Include xmon kernel debugger"
    >> depends on DEBUGGER && !KGDB

    > It did not seem that you can make a radio button / multi-select kernel
    > config option unless the options are in the same Kconfig file. Given
    > that xmon and kgdb are mutually exclusive at the moment.

    > What Sergei mentioned is the fix that needs to be used for the time being.
    > Attached is the patch I put in the for_mm branch in the linux-2.6-kgdb
    > git tree.

    > Jason.

    > ------------------------------------------------------------------------

    > xmon_or_kgdb.patch

    > From: Jason Wessel <>
    > Subject: [PATCH] Turn off xmon if kgdb is active on ppc and powerpc

    > Xmon and kgdb are mutuall exclusive at the moment so xmon should be
    > turned off in the kernel config options if kgdb selected. The case with "make allmodconfig" was failing and this patch addresses the problem.

    > Signed-off-by: Jason Wessel <>

    > ---
    > arch/powerpc/Kconfig.debug | 2 +-
    > arch/ppc/Kconfig.debug | 2 +-
    > 2 files changed, 2 insertions(+), 2 deletions(-)

    This patch does not seem complete as the #error that was tiggering has not
    been deleleted from arch/powerpc/kernel/kgdb.c (and not it's useless)

    WBR, Sergei
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