Date: Fri, 4 Dec 2009 12:59:39 -0800 From: "Moore, Robert" <robert.moore@intel.com> To: Andriy Gapon <avg@icyb.net.ua> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, Tarick <tungan@ukr.net> Subject: RE: panic in AcpiExReleaseMutex Message-ID: <4911F71203A09E4D9981D27F9D8308583E8F2BA9@orsmsx503.amr.corp.intel.com> In-Reply-To: <4B1975EE.5070803@icyb.net.ua> References: <4B178387.4050601@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F26CF@orsmsx503.amr.corp.intel.com> <4B189CD6.30906@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F2A1F@orsmsx503.amr.corp.intel.com> <4B1975EE.5070803@icyb.net.ua>
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It would appear that a GPE is taken, for the EC device, thus invoking EcGpe= QueryHandler. In what context is _Q20 or _Q09 executed? This might be an important question: What is the thread_id of this initial = thread? >-----Original Message----- >From: Andriy Gapon [mailto:avg@icyb.net.ua] >Sent: Friday, December 04, 2009 12:50 PM >To: Moore, Robert >Cc: freebsd-acpi@freebsd.org; Tarick >Subject: Re: panic in AcpiExReleaseMutex > >on 04/12/2009 20:45 Moore, Robert said the following: >> Yes, you are correct. I did not have the code in front of me at the time= . >> >> When AcpiExReleaseMutex is called, apparently the mutex is in fact held, >> otherwise the function would have aborted immediately. >> >> When the mutex is held, the Thread->AcquiredMutexList is expected to hol= d >(at >> the minimum) the mutex object being released. Something is very wrong if >this >> list is NULL when releasing the mutex. >> >> Just to make sure: All of this is happening in the same thread? > >Yes, this happens when there is only the initial thread running on BSP, no >other >threads are started yet. > > >-- >Andriy Gapon
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