Bug 5387

Summary:	No exception on DerefOf of an arbitrary Source
Product:	ACPI	Reporter:	Valery A Podrezov (Valery.A.Podrezov)
Component:	ACPICA-Core	Assignee:	Valery A Podrezov (Valery.A.Podrezov)
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	acpi-bugzilla, Robert.Moore
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	ASL code to reproduce bug.

Description Valery A Podrezov 2005-10-07 07:43:30 UTC

Most recent kernel where this bug did not occur:
Distribution:
Hardware Environment:
Software Environment:
Problem Description:

The Linux kernel ACPI interpreter fails the following
AML test when it is compiled into a simulator. So if an
OEM BIOS includes this code, Linux would fail.

Steps to reproduce:

Run interpreter with the .asl demo code attached below.

Comment 1 Valery A Podrezov 2005-10-07 07:45:37 UTC

Created attachment 6249 [details]
ASL code to reproduce bug.

The attached program demonstarates the exception conditions -
each DerefOf operation is expected to cause exception. But in
fact not all of them actually occur.


INTERNAL BUG NUMBER

   83

Comment 2 Valery A Podrezov 2006-02-03 04:19:04 UTC

This bug is fixed by patch to Bug 5360.

Comment 3 Robert Moore 2006-02-10 14:24:55 UTC

Released in ACPICA version 20060210

Comment 4 Len Brown 2006-06-25 21:57:30 UTC

ACPICA 20060608 shipped in Linux-2.6.17-git9, closed.