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Subject2.5.34 on Sony PictureBook fails to boot
	Attempting to boot 2.5.34 compiled with SMP on a Sony
PictureBook results in the computer being reset before the kernel
activates the console. The same kernel runs fine on a desktop PC.
This seems to occur regardless of whether or not enable
CONFIG_X86_NUMA{,Q} and CONFIG_MULTIQUAD. My efforts to track down
the problem have been with these options off. CONFIG_DISCONTIGMEM is
not set.

By adding an infinite loop at various points in the initialization
process, I have determined that the reset occurs in this call chain:

init/main.c start_kernel
arch/i386/kernel/setup.c setup_arch
arch/i386/mm/init.c paging_init
arch/i386/mm/init.c zone_sizes_init
mm/page_alloc.c free_area_init
mm/page_alloc.c free_area_init_core
mm/bootmem.c alloc_bootmem_node
mm/bootmem.c __alloc_bootmem_core

2.5.31 booted just fine on this computer, and I see that there
are some potentially related changes in .34, but I have not yet
verified that .32 and .33 work on this machine.

I expect to investigate this problem further tonight if nobody
beats me to it.

Adam J. Richter __ ______________ 575 Oroville Road \ / Milpitas, California 95035
+1 408 309-6081 | g g d r a s i l United States of America
"Free Software For The Rest Of Us."
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