https://bugzilla.kernel.org/show_bug.cgi?id=16292





--- Comment #3 from Bob Zhang <bob_zhang2...@tom.com>  2010-06-25 16:26:26 ---
Created an attachment (id=26947)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26947)
I enable "CONFIG_APCI_DEBUG" ,PRINT MORE MESSAGES.

more shutdown messages. 
especially , I print some registers value . 
for example :

PM1a_Control value.

===
 hwregs-0481 [E000000182710000] [03] hw_register_read      : ----Entry
  hwregs-0785 [E000000182710000] [03] hw_low_level_read     : Read:  00000001
width 16 from 

0000000000000404 (SystemIO)
  hwregs-0563 [E000000182710000] [03] hw_register_read      : ----Exit- AE_OK
line 355: PM1Acontrol=0x1
 hwsleep-0360 [E000000182710000] [02] enter_sleep_state     : Entering sleep
state [S5]
bobdebug: Entering sleep state S[5]
line 368: PM1Acontrol=0x1
acpi_gbl_sleep_type_a = 7 , acpi_gbl_sleep_type_b=7
line 381: PM1Acontrol=0x1c01
line 382: PM1Bcontrol=0x1c01
  hwregs-0597 [E000000182710000] [03] hw_register_write     : ----Entry
  hwregs-0854 [E000000182710000] [03] hw_low_level_write    : Wrote: 00001C01
width 16   to 

0000000000000404 (SystemIO)
  hwregs-0717 [E000000182710000] [03] hw_register_write     : ----Exit- AE_OK
55555555555555555
  hwregs-0597 [E000000182710000] [03] hw_register_write     : ----Entry
  hwregs-0717 [E000000182710000] [03] hw_register_write     : ----Exit- AE_OK
666666666666666
after access_bit_mask 
line 409: PM1Acontrol=0x3c01
line 410: PM1Bcontrol=0x3c01
77777777777777777
no defined CONFIG_XEN   AND    CONFIG_X86 
acpi_gbl_sleep_type_a = 7 , acpi_gbl_sleep_type_b=7
will into acpi_hw_register_write() 
  hwregs-0597 [E000000182710000] [03] hw_register_write     : ----Entry

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