Yasushi Shinjo wrote:
> In article <cllkp8$hqg$1@news-est.ocn.ad.jp>
>    dev_null@anet.ne.jp writes:
> 
>>カーネルまたはハードウェアが APM や ACPI に対応していないのかも。
>>dmesg | grep -i apm や dmesg | grep -i acpi でそれらしきもの
>>表示されてますか?
> それらしいのは、表示されません。

RHEL3 カーネルだと↓のようになって電源が切れません。

 BIOS-e820: 000000003ffed080 - 000000003fff0000 (ACPI data)
ACPI: Searched entire block, no RSDP was found.
ACPI: RSDP located at physical address c00fdfc0
ACPI table found: RSDT v1 [IBM    SERBLADE 0.4096]
ACPI table found: FACP v1 [IBM    SERBLADE 0.4096]
ACPI table found: APIC v1 [IBM    SERBLADE 0.4096]
LAPIC (acpi_id[0x0000] id[0x0] enabled[1])
LAPIC (acpi_id[0x0001] id[0x1] enabled[1])
LAPIC_NMI (acpi_id[0x0000] polarity[0x0] trigger[0x0] lint[0x1])
LAPIC_NMI (acpi_id[0x0001] polarity[0x0] trigger[0x0] lint[0x1])
Enabling the CPU's according to the ACPI table
Kernel command line: ro root=LABEL=/ acpi=power-off

で、 2.4.27 だったか 2.4.20-8 だったかは忘れましたが、
電源が切れるほうは↓のようなメッセージになります。

 BIOS-e820: 000000003ffed080 - 000000003fff0000 (ACPI data)
ACPI: Searched entire block, no RSDP was found.
ACPI: RSDP located at physical address c00fdfc0
ACPI table found: RSDT v1 [IBM    SERBLADE 0.4096]
ACPI table found: FACP v1 [IBM    SERBLADE 0.4096]
ACPI table found: APIC v1 [IBM    SERBLADE 0.4096]
LAPIC (acpi_id[0x0000] id[0x0] enabled[1])
LAPIC (acpi_id[0x0001] id[0x1] enabled[1])
LAPIC_NMI (acpi_id[0x0000] polarity[0x0] trigger[0x0] lint[0x1])
LAPIC_NMI (acpi_id[0x0001] polarity[0x0] trigger[0x0] lint[0x1])
Enabling the CPU's according to the ACPI table
Kernel command line: ro root=LABEL=/ acpi=power-off
 tbxface-0099 [01] Acpi_load_tables      : ACPI Tables successfully loaded
ACPI Namespace successfully loaded at root c04857a0
ACPI: Core Subsystem version [20011018]
evxfevnt-0081 [-11] Acpi_enable           : Transition to ACPI mode
successful
ACPI: Subsystem enabled
ACPI: System firmware supports S0 S4 S5
ACPI: Power Button (FF) found

> 7.1 付属ではなくて、手が入っているものだけど。
ACPIを有効にして再コンパイルということになりそうですね。