From: Maxim Levitsky <maximlevitsky@gmail.com>
To: Matthew Garrett <mjg@redhat.com>
Cc: lenb@kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH 2/2] ACPI: Store NVS state even when entering suspend to RAM
Date: Thu, 10 Jun 2010 12:41:15 +0300 [thread overview]
Message-ID: <1276162875.18013.5.camel@dell20> (raw)
In-Reply-To: <1275078735-1866-2-git-send-email-mjg@redhat.com>
On Fri, 2010-05-28 at 16:32 -0400, Matthew Garrett wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=13931 describes a bug where
> a system fails to successfully resume after the second suspend. Maxim
> Levitsky discovered that this could be rectified by forcibly saving
> and restoring the ACPI non-volatile state. The spec indicates that this
> is only required for S4, but testing the behaviour of Windows by adding
> an ACPI NVS region to qemu's e820 map and registering a custom memory
> read/write handler reveals that it's saved and restored even over suspend
> to RAM. We should mimic that behaviour to avoid other broken platforms.
Any chance to see this patch in 2.6.35?
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2010-06-10 9:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-28 20:32 [PATCH 1/2] suspend: Move NVS save/restore code to generic suspend functionality Matthew Garrett
2010-05-28 20:32 ` [PATCH 2/2] ACPI: Store NVS state even when entering suspend to RAM Matthew Garrett
2010-05-30 14:40 ` Maxim Levitsky
2010-05-30 14:51 ` Matthew Garrett
2010-06-02 3:32 ` Henrique de Moraes Holschuh
2010-06-02 10:15 ` Maxim Levitsky
2010-06-02 11:47 ` Matthew Garrett
2010-06-02 13:06 ` Maxim Levitsky
2010-06-04 18:23 ` Len Brown
2010-06-10 9:41 ` Maxim Levitsky [this message]
2010-05-30 14:37 ` [PATCH 1/2] suspend: Move NVS save/restore code to generic suspend functionality Maxim Levitsky
2010-06-04 19:11 ` Len Brown
2010-06-04 21:27 ` Maxim Levitsky
2010-06-04 21:30 ` Maxim Levitsky
2010-06-05 15:28 ` Maxim Levitsky
2010-06-10 15:11 ` Len Brown
2010-06-10 15:21 ` Maxim Levitsky
2010-06-04 18:22 ` Len Brown
2010-06-04 21:48 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2010-06-01 18:19 [PATCH] Store BIOS NVS area over s2ram [V2] Maxim Levitsky
2010-06-01 18:22 ` [PATCH 2/2] ACPI: Store NVS state even when entering suspend to RAM Maxim Levitsky
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