Date: Thu, 03 Jul 2008 17:48:35 +0200 From: Olivier Fauchon <olivier@aixmarseille.com> To: Mark Kirkwood <markir@paradise.net.nz> Cc: freebsd-acpi@FreeBSD.org, Rui Paulo <rpaulo@FreeBSD.org> Subject: Re: Dell ACPI & S3 resume problems. Message-ID: <486CF4D3.8020706@aixmarseille.com> In-Reply-To: <486CA5C9.8030401@paradise.net.nz> References: <486B9B56.3050609@aixmarseille.com> <20080702215234.GB1790@phi.local> <486CA5C9.8030401@paradise.net.nz>
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Mark Kirkwood wrote: > Rui Paulo wrote: >> On Wed, Jul 02, 2008 at 05:14:30PM +0200, Olivier Fauchon wrote: >> >>> Hi, >>> >>> When I try to resume from S3 on my DELL Latitude D430 by pressing >>> power button, the laptop reboots. >>> >>> I tried the same test with a Knoppix Live CD, and It passes (Laptop >>> revives although LCD is buggy). >>> But I could type "shutdown -r now" blindly, to confirm it wakes up >>> properly. >>> >>> Now I need help to find out the differences between FREEBSD and >>> LINUX which makes resume fail. >>> >>> You'll find here all collected informations: >>> >>> * Verbose Booting with FreeBSD7 >>> http://www.aixmarseille.com/pub/acpi_fb7_casino/boot_verbose_d430_FB7.log >>> >>> * Booting with Knoppix dmesg >>> http://www.aixmarseille.com/pub/acpi_fb7_casino/dmesg_knoppix_d430.log >>> * Dell LAtitude D430 original ASL: >>> http://www.aixmarseille.com/pub/acpi_fb7_casino/dell-d430.orig.asl >>> * Patched ASL (which only correct a LID and warning problems) >>> http://www.aixmarseille.com/pub/acpi_fb7_casino/dell-d430.patched.asl >>> * Kernel configuration : >>> http://www.aixmarseille.com/pub/acpi_fb7_casino/kern_conf_CASINO.txt >>> * lspci : http://www.aixmarseille.com/pub/acpi_fb7_casino/lpsci.txt >>> >>> Can someone explains me what are the main steps of a resume, so I >>> can try to troubleshoot further. >>> >> >> Well, your best bet is to disable every driver and make them modules. >> Boot >> with the bare minimum necessary for input/output and in single user >> mode. >> Try suspend and resume in single user mode. If that works, the >> problem, most likely lies in the drivers. >> >> Try enabling one driver at a time, and retest suspend/resume. This way >> you can find the problematic driver, if any. >> >> Also, try changing the hw.acpi sysctls, namely reset_video. >> >> HTH, >> > > From your dmesg it looks like you are running both cores (i.e smp > kernel). Try disabling one core via kern.smp.disabled=1 in loader.conf > (some laptops will not suspend properly with both cores running). > > Cheers > > Mark Perfect.... That works ! I 'm actualy running a SMP kernel (CoreDuo CPU) with one disabled core (with BIOS). This was not enough. "kern.smp.disabled=1" corrects the problem. I'm now able to resume under Xorg, in multiuser mode. I'm lucky. THX !
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