Date: Fri, 23 Aug 2002 14:15:21 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: John Baldwin <jhb@FreeBSD.org> Cc: Andy Sparrow <spadger@best.com>, Tomas Hodan <tomas@hodan.sk>, <freebsd-current@FreeBSD.ORG> Subject: Re: install crash on hp omnibook 6100 Message-ID: <20020823141342.W39188-100000@carver.gumbysoft.com> In-Reply-To: <XFMail.20020823113417.jhb@FreeBSD.org>
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On Fri, 23 Aug 2002, John Baldwin wrote: > > Its trying to fetch some data from the cardbus controller before its been > > initialized, but its trying to do it in its own _REG routine or > > something... look for FDS_._REG; the CSID() function is what initiates > > the loop. > > Reading the AML I don't see why we would get into a loop (and atm I don't > feel like wading through 900k to see where the loop is). I'll try to find the offending register... its been a while since I touched it last... Most of the bottom of the traces is the loop itself running over and over until the machine panics :) > > I attempted to post a note to the acpi-jp list in april asking about our > > architecture model but it appears to have never made it. We may need to > > revisit our assumption that ACPI can be initialized top-down. > > No, you have to do things top-down. ACPI assumes this in several areas. > For example, if you want to power on a PCI bus, you have to power on the > bus before powering on devices off that bus. If you want to power off a > bus, you power off children first, but initialization of devices is much > more like the power on situation since parent devices provide resources > needed by child devices. Well, its sorta moot point since HP discontinued the omnibooks. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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