Date: Thu, 03 Jul 2008 10:24:42 +0200 From: Olivier Fauchon <olivier@aixmarseille.com> To: Rui Paulo <rpaulo@FreeBSD.org> Cc: freebsd-acpi@FreeBSD.org Subject: Re: Dell ACPI & S3 resume problems. Message-ID: <486C8CCA.9040101@aixmarseille.com> In-Reply-To: <20080702215234.GB1790@phi.local> References: <486B9B56.3050609@aixmarseille.com> <20080702215234.GB1790@phi.local>
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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, > I already try a modular kernel, in single mode, and the laptop stills reboot on S3 wakeup. What happens if I set debug.acpi.resume_beep=1? Should buzzer beep at the early begining of wake up code ? Never heard that sound. At the moment, I'd like to troubleshoot the moment ACPI give the hand to FreeBSD, any idea how to do that ? Thx
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