From: Avi Kivity <avi@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrey Borzenkov <arvidjaar@mail.ru>, Len Brown <lenb@kernel.org>,
linux-acpi@vger.kernel.org, Len Brown <len.brown@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Eduardo Habkost <ehabkost@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again)
Date: Sun, 09 Nov 2008 11:55:23 +0200 [thread overview]
Message-ID: <4916B38B.7050905@redhat.com> (raw)
In-Reply-To: <20081108115956.GE8354@elte.hu>
Ingo Molnar wrote:
> Len, please consider my Lenovo T60 laptop "possibly affected" too. I
> was seeing weird sporadic reboot hangs which went away roughly since
> around that revert.
>
>
Given that Windows uses ACPI reboot, I find it unlikely that it is so
unreliable. Maybe some other problem in the tree got fixed?
> So the negative scope of the change, even after such short amount of
> testing, is non-trivial, and we simply have to go via a flag day date
> approach. Or, if these bugs are debuggable, make the ACPI reboot
> sequence more reliable.
I think the sequence should be acpi -> kbd -> triple fault. Given that
Windows uses ACPI, the number of machines that support it is much larger
(and growing daily) than the number of machines that do not.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-11-09 9:55 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 [this message]
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
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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