From: "H. Peter Anvin" <hpa@zytor.com>
To: Zhao Yakui <yakui.zhao@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Avi Kivity <avi@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Len Brown <lenb@kernel.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Andrew Morton <akpm@linux-foundation.org>,
Matthew Garrett <mjg@redhat.com>,
Andrey Borzenkov <arvidjaar@mail.ru>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"Brown, Len" <len.brown@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again)
Date: Thu, 13 Nov 2008 17:22:42 -0800 [thread overview]
Message-ID: <491CD2E2.1060505@zytor.com> (raw)
In-Reply-To: <1226626153.4006.184.camel@yakui_zhao.sh.intel.com>
Zhao Yakui wrote:
> I do the test as required. First the 0x02 is written to 0xCF9 I/O port.
> The return value by reading the 0xCF9 I/O port is 0x02. Then the 0x06 is
> written to the 0xCF9 I/O port. The screen becomes black but the box
> can't be rebooted.
What is the value of the CF9 port before you do anything?
-hpa
next prev parent reply other threads:[~2008-11-14 1:25 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-07 4:45 ACPI patchese on test branch Len Brown
2008-11-07 4:45 ` [PATCH 01/10] ACPI: pci_link: remove acpi_irq_balance_set() interface Len Brown
2008-11-07 4:45 ` [PATCH 02/10] ACPI: Disambiguate processor declaration type Len Brown
2008-11-07 4:45 ` [PATCH 03/10] ACPI: Behave uniquely based on processor declaration definition type Len Brown
2008-11-07 4:45 ` [PATCH 04/10] ACPI: 80 column adherence and spelling fix (no functional change) Len Brown
2008-11-07 4:45 ` [PATCH 05/10] Hibernate: Call platform_begin before swsusp_shrink_memory Len Brown
2008-11-07 4:45 ` [PATCH 06/10] ACPI hibernate: Add a mechanism to save/restore ACPI NVS memory Len Brown
2008-11-07 4:45 ` [PATCH 07/10] x86 hibernate: Mark ACPI NVS memory region at startup Len Brown
2008-11-07 4:45 ` [PATCH 08/10] ACPI hibernate: Introduce new kernel parameter acpi_sleep=s4_nonvs Len Brown
2008-11-07 4:45 ` [PATCH 09/10] compal-laptop: use rfkill switch subsystem Len Brown
2008-11-07 4:45 ` [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again) Len Brown
2008-11-07 7:25 ` Ingo Molnar
2008-11-08 1:41 ` Len Brown
2008-11-08 6:30 ` Andrey Borzenkov
2008-11-08 7:12 ` Len Brown
2008-11-08 7:50 ` Andrey Borzenkov
2008-11-08 11:59 ` Ingo Molnar
2008-11-09 9:55 ` Avi Kivity
2008-11-09 10:00 ` H. Peter Anvin
2008-11-10 8:39 ` Ingo Molnar
2008-11-10 8:54 ` Avi Kivity
2008-11-10 9:02 ` Ingo Molnar
2008-11-11 18:26 ` H. Peter Anvin
2008-11-11 20:29 ` Eric W. Biederman
2008-11-11 20:44 ` Ingo Molnar
2008-11-10 11:59 ` Matthew Garrett
2008-11-10 11:57 ` Matthew Garrett
2008-11-10 12:56 ` Ingo Molnar
2008-11-10 13:00 ` Matthew Garrett
2008-11-11 23:14 ` Len Brown
2008-11-12 0:25 ` Attempt rebooting via port CF9 if it seems to be available H. Peter Anvin
2008-11-12 18:49 ` Andrey Borzenkov
2008-11-12 0:27 ` [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again) Matthew Garrett
2008-11-12 11:58 ` Ingo Molnar
2008-11-12 12:23 ` Avi Kivity
2008-11-13 3:23 ` Zhao Yakui
2008-11-13 3:18 ` H. Peter Anvin
2008-11-13 3:43 ` Zhao Yakui
2008-11-13 4:10 ` Eric W. Biederman
2008-11-13 4:34 ` H. Peter Anvin
2008-11-13 4:14 ` Eric W. Biederman
2008-11-13 5:29 ` Zhao Yakui
2008-11-13 5:25 ` H. Peter Anvin
2008-11-13 6:56 ` Eric W. Biederman
2008-11-13 6:58 ` Eric W. Biederman
2008-11-13 9:06 ` Zhao Yakui
2008-11-13 17:42 ` H. Peter Anvin
2008-11-14 1:29 ` Zhao Yakui
2008-11-14 1:22 ` H. Peter Anvin [this message]
2008-11-14 1:49 ` Zhao Yakui
2008-11-13 3:29 ` Stephen Rothwell
2008-11-08 12:40 ` Rafael J. Wysocki
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