On 03-Jul-2003 Sid Carter wrote: > Hi, > > I am running FreeBSD-Current on my Compaq Evo N800c laptop. > > I am having problems getting it to work with ACPI. I have compiled my > own acpi_dsdt.aml file using iasl and am using it. I keep getting this > panic whenever I boot into FreeBSD with ACPI enabled. > > The panic is something like this. > > ======================= > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x375 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc05da580 > stack pointer = 0x10:0xd686fbe0 > frame pointer = 0x10:0xd686fbe0 > code segment = base 0x0, limit 0xffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor flags = trace trap, interrupt enabled, resume, IOPL =0 > current process = 23 (acpi_thermal) > kernel: type 12 trap, code=0 > Stopped at AcpiNsMapHandleToNode+0x20: cmpb $0xaa,0(%edx) > ======================= (kgdb) l *AcpiNsMapHandleToNode+0x20 0xc015a840 is in AcpiNsMapHandleToNode (../../../contrib/dev/acpica/nsutils.c:854). 854 if (ACPI_GET_DESCRIPTOR_TYPE (Handle) != ACPI_DESC_TYPE_NAMED) Likely Handle is NULL (note the fault address). A stack trace would be very helpful. -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/Received on Thu Jul 03 2003 - 05:34:25 UTC
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