Date: Wed, 17 Nov 2010 01:55:15 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Alexander Best <arundel@freebsd.org> Cc: Bruce Cran <bruce@cran.org.uk>, Tijl Coosemans <tijl@coosemans.org>, Oliver Fromme <olli@lurza.secnetix.de>, freebsd-hackers@freebsd.org, =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgra?=, =?ISO-8859-1?Q?v?= <des@des.no> Subject: Re: Summary: Re: Spin down HDD after disk sync or before power off Message-ID: <4CE319E3.4040705@FreeBSD.org> In-Reply-To: <20101116235051.GA62744@freebsd.org> References: <201009161742.24228.tijl@coosemans.org> <201009161619.o8GGJAmv035378@lurza.secnetix.de> <20101018155944.GA12425@freebsd.org> <868w1r92rf.fsf@ds4.des.no> <20101021122110.GA65490@freebsd.org> <4CC156F5.1050109@FreeBSD.org> <20101022100309.GA16446@freebsd.org> <20101116204000.00005aea@unknown> <20101116221725.GA49789@freebsd.org> <4CE3125E.1000307@FreeBSD.org> <20101116235051.GA62744@freebsd.org>
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Alexander Best wrote: > On Wed Nov 17 10, Alexander Motin wrote: >> Alexander Best wrote: >>> On Tue Nov 16 10, Bruce Cran wrote: >>>> On Fri, 22 Oct 2010 10:03:09 +0000 >>>> Alexander Best <arundel@freebsd.org> wrote: >>>> >>>>> so how about olivers patch? it will only apply to ata devices so it's >>>>> garanteed not to break any other CAM devices (i'm thinking about the >>>>> aac controller issue). you could revert your previous shutdown work >>>>> and plug olivers patch into CAM. you might want to replace the >>>>> combination of flush/standby immediate with sleep. >>>> One problem with the code that's been committed is that the shutdown >>>> event handler doesn't get run during a suspend operation so an >>>> emergency unload still gets done when running "acpiconf -s3". >>> unfortunately i don't think a can help you on that one. acpi never worked for >>> me! even 'acpiconf -s1' will hopelessly crash my system. :( >> It is not necessary to have fully working suspend to work on this. >> Bounce mode should be enough. If bounce is also not working for you - it >> definitely should be the first thing to fix. > > bounce mode? sorry i'm lost. sysctl debug.acpi.suspend_bounce=1 It will make system to wake up back immediately after suspending all devices, instead of transition to requested S-state. -- Alexander Motin
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