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    SubjectRe: 2.6.21-rc[123] regression with NOAPIC
    FromThomas Gleixner <>
    DateThu, 22 Mar 2007 15:10:03 +0100
    On Thu, 2007-03-22 at 14:42 +0100, Adrian Bunk wrote:
    > > Starting with head as of yesterday and reverting two commits (that are
    > > duplicates of each other -- the same commit came into Linus's tree via
    > > two different paths) 'fixes' the problem for me. I'll let those with the
    > > big brains decide just why.
    > > 
    > > The two commits are 5c95d3f5783ab184f64b7848f0a871352c35c3cf and
    > > 3434933b17fa64adddf83059603c61296f6e1ee2 . The net reverse diff of those
    > > two is below.
    > >...
    > 
    > Thanks for tracking it down.
    > 
    > It's quite possible that these commits trigger your problem.
    > 
    > Does it work if you do _not_ revert the commits, and instead replace in
    > drivers/acpi/processor_idle.c the
    >   #ifdef ARCH_APICTIMER_STOPS_ON_C3
    > with an
    >   #if 0
    > ?
    
    Then NOAPIC probably works again, but booting w/o NOAPIC fails.
    
    	tglx
    
    
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