linux-kernel - Re: Linux 2.6.21-rc7 - ACPI issues? (Namespace lookup failure, AE_NOT

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Date:	Sat, 21 Apr 2007 21:47:47 -0400
From:	Len Brown <lenb@...nel.org>
To:	"Sunil Naidu" <akula2.shark@...il.com>, linux-acpi@...r.kernel.org
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...l.org>
Subject: Re: Linux 2.6.21-rc7 - ACPI issues? (Namespace lookup failure, AE_NOT_FOUND)

On Saturday 21 April 2007 10:03, Sunil Naidu wrote:
> Hello,
> 
> I did compile 2.6.21-rc7 for a P-III machine. Here is the ACPI part in
> the dmesg:-
> 
> ACPI Error (psargs-0355): [PRSE] Namespace lookup failure, AE_NOT_FOUND
> ACPI Error (psparse-0537): Method parse/execution failed
> [\_SB_.LNKE._PRS] (Node dfd63f40), AE_NOT_FOUND
> ACPI Exception (pci_link-0180): AE_NOT_FOUND, Evaluating _PRS [20060707]
> ACPI Error (psargs-0355): [PRSF] Namespace lookup failure, AE_NOT_FOUND
> ACPI Error (psparse-0537): Method parse/execution failed
> [\_SB_.LNKF._PRS] (Node dfd63ea0), AE_NOT_FOUND
> ACPI Exception (pci_link-0180): AE_NOT_FOUND, Evaluating _PRS [20060707]
> ACPI Error (psargs-0355): [PRSG] Namespace lookup failure, AE_NOT_FOUND
> ACPI Error (psparse-0537): Method parse/execution failed
> [\_SB_.LNKG._PRS] (Node dfd63e00), AE_NOT_FOUND
> ACPI Exception (pci_link-0180): AE_NOT_FOUND, Evaluating _PRS [20060707]
> ACPI Error (psargs-0355): [PRSH] Namespace lookup failure, AE_NOT_FOUND
> ACPI Error (psparse-0537): Method parse/execution failed
> [\_SB_.LNKH._PRS] (Node c147d75c), AE_NOT_FOUND
> ACPI Exception (pci_link-0180): AE_NOT_FOUND, Evaluating _PRS [20060707]
> 
> I tried with few configurations (config) to solve the problem, am not
> sure what's causing this failure. Any hint?


This is an AML run-time error from a PCI Interrupt Link
trying to find its "Present Resource Settings" --
ie. the current IRQ for a programmable IRQ.

Please open up a bug report here:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

For 2.6.20.stable and the latest 2.6.21, please
build with CONFIG_ACPI_DEBUG=y, and
attach the complete output from dmesg -s64000
and paste the /proc/interrupts.

Also, please attach the output from acpidump
and lspci -vv taken from either boot.

thanks,
-Len
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