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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 ` [2.6.25-rc1 regression] Suspend to RAM (bisected) 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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