Date: Sat, 23 Sep 2006 18:04:26 +0200 From: Bruno Ducrot <ducrot@poupinou.org> To: Norberto Meijome <freebsd@meijome.net> Cc: Andrea Bittau <a.bittau@cs.ucl.ac.uk>, freebsd-mobile@freebsd.org Subject: Re: hack for getting suspend/resume to half work on an IBM Thinkpad x60s [SMP] Message-ID: <20060923160426.GU4945@poupinou.org> In-Reply-To: <20060921104433.754e3893@localhost> References: <20060921000628.GA1832@shorty.sorbonet.org> <20060921104433.754e3893@localhost>
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On Thu, Sep 21, 2006 at 10:44:33AM +1000, Norberto Meijome wrote: > On Thu, 21 Sep 2006 01:06:28 +0100 > Andrea Bittau <a.bittau@cs.ucl.ac.uk> wrote: > > > 2) apic. FreeBSD reconfigures the io apic upon resume, but not the local > > apic. The patch attached to this mail fixes this. Indeed, it almost does so > > in the "proper" way and not so much of a hack =D. > > Hi Andrea, > would the apic patch work by itself with stable? I've got a z60m (uni-core > though), but resume just wont work while apic is enabled. I'd be happy to test > it if you think it'd help (and there is some chance it'll work). > On uniprocessor systems you should consider atpic anyway if you want more powersaving. According to acpi(4) in BUGS section, there are some bugs still so that you can't use advanced power states into the idle loop and having a reliable lapic timer at the same time. -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care.
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