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    SubjectRe: halt does not shut the system down
    John Sigler wrote:

    > When I run 'halt' the kernel prints:
    >
    > Halting.
    > Shutdown: hdc
    > ACPI: PCI interrupt for device 0000:01:05.0 disabled
    > ACPI: PCI interrupt for device 0000:01:04.0 disabled
    > ACPI: PCI interrupt for device 0000:01:03.0 disabled
    > ACPI: PCI interrupt for device 0000:01:02.0 disabled
    > Power down.
    > acpi_power_off called
    >
    > But the system does not shut down. (The fans keep spinning, the LEDs
    > keep shining, the LCD keeps displaying.) Basically, the motherboard is
    > still providing power to every component, as if the power supply had
    > refused to stop.

    If I disable the 4 integrated NICs in the BIOS, then the kernel prints:

    Halting.
    Shutdown: hdc
    Power down.
    acpi_power_off called
    hwsleep-0322 [01] enter_sleep_state : Entering sleep state [S5]

    But the system does not power down.

    > Kernel is 2.6.22.1-rt9
    >
    > I followed the instructions given here:
    > http://bugzilla.kernel.org/show_bug.cgi?id=6431
    >
    > # cat /sys/module/acpi/parameters/debug_layer
    > Description Hex SET
    > ACPI_UTILITIES 0x00000001 [*]
    > ACPI_HARDWARE 0x00000002 [*]
    > ACPI_EVENTS 0x00000004 [*]
    > ACPI_TABLES 0x00000008 [*]
    > ACPI_NAMESPACE 0x00000010 [*]
    > ACPI_PARSER 0x00000020 [*]
    > ACPI_DISPATCHER 0x00000040 [*]
    > ACPI_EXECUTER 0x00000080 [*]
    > ACPI_RESOURCES 0x00000100 [*]
    > ACPI_CA_DEBUGGER 0x00000200 [*]
    > ACPI_OS_SERVICES 0x00000400 [*]
    > ACPI_CA_DISASSEMBLER 0x00000800 [*]
    > ACPI_COMPILER 0x00001000 [*]
    > ACPI_TOOLS 0x00002000 [*]
    > ACPI_ALL_DRIVERS 0xFFFF0000 [*]
    > --
    > debug_layer = 0xFFFF3FFF ( * = enabled)
    >
    > # cat /sys/module/acpi/parameters/debug_level
    > Description Hex SET
    > ACPI_LV_ERROR 0x00000001 [*]
    > ACPI_LV_WARN 0x00000002 [*]
    > ACPI_LV_INIT 0x00000004 [*]
    > ACPI_LV_DEBUG_OBJECT 0x00000008 [*]
    > ACPI_LV_INFO 0x00000010 [*]
    > ACPI_LV_INIT_NAMES 0x00000020 [*]
    > ACPI_LV_PARSE 0x00000040 [*]
    > ACPI_LV_LOAD 0x00000080 [*]
    > ACPI_LV_DISPATCH 0x00000100 [*]
    > ACPI_LV_EXEC 0x00000200 [*]
    > ACPI_LV_NAMES 0x00000400 [*]
    > ACPI_LV_OPREGION 0x00000800 [*]
    > ACPI_LV_BFIELD 0x00001000 [*]
    > ACPI_LV_TABLES 0x00002000 [*]
    > ACPI_LV_VALUES 0x00004000 [*]
    > ACPI_LV_OBJECTS 0x00008000 [*]
    > ACPI_LV_RESOURCES 0x00010000 [*]
    > ACPI_LV_USER_REQUESTS 0x00020000 [*]
    > ACPI_LV_PACKAGE 0x00040000 [*]
    > ACPI_LV_ALLOCATIONS 0x00100000 [*]
    > ACPI_LV_FUNCTIONS 0x00200000 [*]
    > ACPI_LV_OPTIMIZATIONS 0x00400000 [*]
    > ACPI_LV_MUTEX 0x01000000 [*]
    > ACPI_LV_THREADS 0x02000000 [*]
    > ACPI_LV_IO 0x04000000 [*]
    > ACPI_LV_INTERRUPTS 0x08000000 [*]
    > ACPI_LV_AML_DISASSEMBLE 0x10000000 [*]
    > ACPI_LV_VERBOSE_INFO 0x20000000 [*]
    > ACPI_LV_FULL_TABLES 0x40000000 [*]
    > ACPI_LV_EVENTS 0x80000000 [*]
    > --
    > debug_level = 0xFFFFFFFF (* = enabled)
    >
    > I've attached my .config and the output of the following commands:
    > dmesg, lspci, acpidump, halt
    >
    > Do you have any idea what the problem is?

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