Date: Tue, 3 Aug 2010 20:25:03 +0400 From: Oleg Sharoyko <osharoiko@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: PCI config space is not restored upon resume (macbook pro) Message-ID: <AANLkTinUvptZ9vrGq0Y8d3jUu0JzGsLCy5%2Brc3Rd=_rQ@mail.gmail.com> In-Reply-To: <201008030944.01011.jhb@freebsd.org> References: <AANLkTikMFhG1QLDf4raf%2BrxOKhobjoA-dRbUew2-8KeF@mail.gmail.com> <201008030944.01011.jhb@freebsd.org>
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On 3 August 2010 17:44, John Baldwin <jhb@freebsd.org> wrote: > I wonder if the bus numbers for PCI-PCI bridges need to be restored on re= sume? > If they aren't then config transactions won't be routed properly. =C2=A0Y= ou could > add a pcib_resume() method that prints out the various bus register value= s > after resume to see if they match what we print out during boot. I'll do that tomorrow and report the results. As I can see PCI-PCI bridge (non ACPI) restores bus numbers, while ACPI version - don't. --=20 Oleg Sharoyko
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