Date: Thu, 11 Dec 2003 13:24:56 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Fredrik Lindberg <NOfreddeSPAM@shapeshifter.se> Cc: freebsd-mobile@freebsd.org Subject: RE: ACPI/PCI-bus issue with compaq evo n160 Message-ID: <XFMail.20031211132456.jhb@FreeBSD.org> In-Reply-To: <20031210213840.GA870@shapeshifter.se>
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On 10-Dec-2003 Fredrik Lindberg wrote: > Hi, > > I have a Compaq evo n160 running > FreeBSD biocandy 5.2-RC FreeBSD 5.2-RC #10: Mon Dec 8 19:08:38 CET 2003 > > The machine fails (and always has) to boot with acpi enabled > (locks up when mounting /), however, I managed to find out that > booting with the following option > > debug.acpi.disable="pci" > > in /boot/loader.conf made the machine boot correctly and acpi related > functions such as battry monitoring worked just fine. > > But, and a huge but, no pci devices are detected during boot > (maybe quite obvious because of that debug option) > All pci-devices works perfectly with acpi disabled. > > Now, is there any chance to make freebsd use acpi and the > "normal" pci-bus driver at the same time, overriding the > acpi pci-bus implementation? > > I believe linux has a kernel option called pci=noacpi (atleast acording to google), > which does this. > > With acpi enabled scanpci reports all the pci devices, but pciconf -l > doesn't return anything. > With acpi disabled, scanpci reports all pci devices, pciconf -l > reports all devices. > > dmesg output with acpi enabled > http://shapeshifter.se/~fredde/tmp/dmesg.acpi.enabled > > dmesg out with acpi disabled > http://shapeshifter.se/~fredde/tmp/dmesg.acpi.disabled > > Any, and I mean any, help on this will be very appreciated. If you can drop into ddb and do a 'show intrcnt' when the machine locks up that might help fix the hang. It sounds like the interrupt routing may not have worked correctly. Also, a dmesg of acpi with pci enabled would be helpful. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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