Date: Thu, 21 Oct 2010 11:39:20 +0800 From: Lin Ming <ming.m.lin@intel.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, "Moore, Robert" <robert.moore@intel.com> Subject: Re: MacBookPro 5,1 Message-ID: <1287632360.6530.3103.camel@minggr.sh.intel.com> In-Reply-To: <201010201006.41112.hselasky@c2i.net> References: <201010121209.06397.hselasky@c2i.net> <201010200834.28444.hselasky@c2i.net> <1287556591.6530.3071.camel@minggr.sh.intel.com> <201010201006.41112.hselasky@c2i.net>
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On Wed, 2010-10-20 at 16:06 +0800, Hans Petter Selasky wrote: > On Wednesday 20 October 2010 08:36:31 Lin Ming wrote: > > On Wed, 2010-10-20 at 14:34 +0800, Hans Petter Selasky wrote: > > > On Tuesday 19 October 2010 07:47:02 Lin Ming wrote: > > > > On Tue, 2010-10-19 at 04:21 +0800, Hans Petter Selasky wrote: > > > > > On Monday 18 October 2010 02:01:09 Moore, Robert wrote: > > > > > > Can you send us the acpidump for the machine? > > > > > > > > > > > > Also, tell us which control method is failing. > > > > > > > > > > > > Thanks > > > > > > > > > > Hi, > > > > > > > > > > Please find attached dump of ACPI tables. > > > > > > > > > > It is the function AcpiRsCreateAmlResources() which writes beyond the > > > > > buffer it allocates. > > > > > > > > Could you enable AML debug output to get more info? > > > > But I don't know how to enable it on FreeBSD. > > > > > > > > In Linux, the AML debug output is enabled with kernel boot parameters > > > > like below. > > > > acpi.debug_layer=0xffffffff acpi.debug_level=0xffffffff > > > > > > > > FreeBSD may have some similar boot parameters. > > > > > > I've enabled the debug prints just around the failing function. Here is > > > the > > > > > result: > > What's the kernel parameters are you using? > > There should be a lot of AML debug output. > > > Hi, > > During the function call that overwrites it's buffer, there are no more debug > prints than shown in the code, even with all debug prints on. Where should I > add more debug prints? I'm trying to reproduce this bug in the acpi simulator(acpiexec). Will get back to you. Lin Ming
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