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From: "Carlos R. Mafra" <crmafra@gmail.com>
To: linux-kernel@vger.kernel.org, venkatesh.pallipadi@intel.com
Subject: [2.6.25-rc1 regression] Suspend to RAM (bisected)
Date: Mon, 11 Feb 2008 03:25:33 -0200 [thread overview]
Message-ID: <47AFDC4D.4070400@gmail.com> (raw)
Hi,
I want to report that suspend to RAM stopped working on my Sony Vaio
VGN-FZ240E in 2.6.25-rc1 and that I could bisect the problem down
to:
commit bc71bec91f9875ef825d12104acf3bf4ca215fa4
Author: venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>
Date: Thu Jan 31 17:35:04 2008 -0800
ACPI: enable MWAIT for C1 idle
Add MWAIT idle for C1 state instead of halt, on platforms that support
C1 state with MWAIT.
Renames cx->space_id to something more appropriate.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The problem with suspend to RAM is that right after typing (from inside X)
'echo mem > /sys/power/state' the screen becomes black and the laptop
freezes. I have to use SysRq+b to reboot.
I tried to revert the above commit (bc71bec) on top of 2.6.25-rc1, but
the compilation fails. It turns out that I have to revert also 9a0b8415 and
9b12e18c to be able to compile without errors.
After reverting the 3 commits mentioned above, the resulting 2.6.25-rc1 kernel
can suspend to RAM again (and I must say that it is better that 2.6.24, because
now it resumes directly into X and I don't need to use Crtl-Alt-F1 and Alt-F7 to
go back to X as I used to do before).
The laptop is a Core 2 Duo T7250 2.0 GHz, running Mandriva 2008.0 in 64-bit mode, with the
following graphics card:
VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c) (prog-if 00 [VGA])
If there is anything else I can do to help please let me know.
Carlos R. Mafra
next reply other threads:[~2008-02-11 5:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 5:25 Carlos R. Mafra [this message]
2008-02-11 5:35 ` Arjan van de Ven
2008-02-11 6:08 ` Carlos R. Mafra
2008-02-11 5:47 ` Calvin Walton
2008-02-11 18:22 ` Pallipadi, Venkatesh
2008-02-11 19:37 ` Carlos R. Mafra
2008-02-11 20:06 ` Venki Pallipadi
2008-02-11 23:20 ` Venki Pallipadi
2008-02-12 0:08 ` Carlos R. Mafra
2008-02-14 5:00 ` Len Brown
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