Messages in this thread | | | Date | Thu, 1 Mar 2012 09:27:55 -0600 | From | Jonathan Nieder <> | Subject | Re: [PATCH 04/50] ACPICA: Fix to allow region arguments to reference other scopes |
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Hi,
Len Brown wrote[1]:
> From: Lin Ming <ming.m.lin@intel.com> [...] > http://www.acpica.org/bugzilla/show_bug.cgi?id=937 > http://marc.info/?l=linux-acpi&m=131636632718222&w=2 > > ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110112/psargs-359) > ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110112/nsinit-349) > > Scope (_SB) > { > Name (RAMB, 0xDF5A1018) > OperationRegion (\RAMW, SystemMemory, RAMB, 0x00010000) > } > > For above ASL code, we need to save scope node(\_SB) to lookup > the argument node(\_SB.RAMB). > > Reported-by: Jim Green <student.northwestern@gmail.com> > Signed-off-by: Lin Ming <ming.m.lin@intel.com> > Signed-off-by: Bob Moore <robert.moore@intel.com> > Signed-off-by: Len Brown <len.brown@intel.com>
Arne Nordmark reports[2] that this patch, when applied to 3.2.5, fixes a resume failure. Thanks!
Would it be safe and useful to backport this fix to stable/longterm kernels? If so, which ones?
Jonathan
[1] commit 8931d9ea7884 [2] http://bugs.debian.org/661581
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