From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Rumisek Subject: Re: Acpi suspend to ram on Acer Aspire 5672 Date: Sun, 04 Nov 2007 17:56:39 +0100 Message-ID: References: <472847A2.9020901@salfischberger.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit Return-path: Received: from main.gmane.org ([80.91.229.2]:46838 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428AbXKDVfG (ORCPT ); Sun, 4 Nov 2007 16:35:06 -0500 Received: from root by ciao.gmane.org with local (Exim 4.43) id 1Ion7W-0006TP-85 for linux-acpi@vger.kernel.org; Sun, 04 Nov 2007 21:35:02 +0000 Received: from ipn230.customer.medialine.cz ([82.114.206.230]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 04 Nov 2007 21:35:02 +0000 Received: from romrum by ipn230.customer.medialine.cz with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 04 Nov 2007 21:35:02 +0000 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Hi Tomas, I have this problem on ACER Extensa 5220. The "save to disk" is OK,but after "save to RAM" the notebook hangs and seems (for example when i press CapsLock key - nothing) one is dead. Roman. Tomas Salfischberger wrote: > Hi list, > > I don't know what the correct approach to this is, but I need some help > :-) > > I have been trying to get my Acer Aspire 5672 to suspend to ram, using > kernel version 2.6.22 patched by Gentoo (r8). The ACPI functions work > for shutting down the machine, and (but I'm not sure of this) for > suspend to disk. When I set /sys/power/state to "disk" the power-led > switches to orange (which it also does when switching to suspend in > Windows). > > From the above I think that ACPI is working as it should, but when I try > to suspend to ram the machine switches to the correct state (orange > power-led) but is unable to resume. When resuming the machine hangs, > disk spins up but it's not reacting to for example the num-lock key. > > I've read a lot about how suspend to ram is supposed to work, and if I > understand it correctly the ACPI functions from the BIOS are supposed to > jump to kernel code when resuming and the kernel should initialize all > hardware correct? Is there some way to check whether it is actually > reaching kernel-code, and thus if this might be fixable in kernel? > > I have already tried to patch the DSDT, but to no avail. The errors: > Some reserved symbols being used and some methods that didn't return a > value for all controlpaths (notably _WAK which I changed to return > 0x00,0x00 on the last line). > > Is there anything else I can try? > > Regards, > Tomas > > P.S. I'm not a native English speaker, so sorry for some weird grammar > choices. > > - > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html