linux-kernel - halt does not shut the system down

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Date:	Mon, 08 Oct 2007 18:19:59 +0200
From:	John Sigler <linux.kernel@...e.fr>
To:	linux-kernel@...r.kernel.org
CC:	robert.moore@...el.com, len.brown@...el.com
Subject: halt does not shut the system down

Hello,

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.

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?

Regards.

View attachment "dmesg.txt" of type "text/plain" (12606 bytes)

View attachment "lspci.txt" of type "text/plain" (8348 bytes)

Download attachment "acpidump.txt.bz2" of type "application/octet-stream" (16647 bytes)

Download attachment "halt.txt.bz2" of type "application/octet-stream" (14300 bytes)

Download attachment "config-2.6.22.1-rt9.bz2" of type "application/octet-stream" (4599 bytes)