https://bugzilla.kernel.org/show_bug.cgi?id=16548





--- Comment #39 from Lin Ming <ming.m....@intel.com>  2011-05-12 05:23:43 ---
A summary, 2 problems here:

1. dynamic table memory map fails

This is because the dynamic ACPI tables are stored in normal RAW, which causes
ioremap fails, see comment 19.

workaround by kernel option ""memmap=1G#0x3D6A1000"

2. kernel crashes

This maybe caused by the wrong dynamic tables.

> ACPI: Dynamic OEM Table Load:
> ACPI: APIC 7dbfec92 0005A (v01 PTLD  ? APIC    06040000 LTP 00000000)

Dynamic table should contain AML code, but this is an APIC table.
Kernel crashes maybe because the interpreter try to execute this non-AML table.


Please reboot kernel without the "memmap=" option, then attach all the dynamic
tables, as below. Let's have a look at the contents of these tables.

acpidump --addr 0x7D421B20 --length 0x475 > CPU0IST.dat
acpidump --addr 0x7D3E0DA0 --length 0x1CF > APIST.dat
acpidump --addr 0x7D558A20 --length 0x54F > CPU0CST.dat
acpidump --addr 0x7D374020 --length  0x8D > APCST.dat

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