linux-kernel - Re: [Debug 2/2] x86/PCI/ACPI: Relax ACPI resource descriptor checks to work around BIOS bugs

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Message-ID: <54F72D44.7020709@punnoor.de>
Date:	Wed, 04 Mar 2015 17:05:24 +0100
From:	Prakash Punnoor <prakash@...noor.de>
To:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Thomas Voegtle <tv@...96.de>, Hudd <hedede.l@...il.com>,
	Francois Romieu <romieu@...zoreil.com>,
	Dave Airlie <airlied@...il.com>,
	Marcel Holtmann <marcel@...tmann.org>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Lv Zheng <lv.zheng@...el.com>
Subject: Re: [Debug 2/2] x86/PCI/ACPI: Relax ACPI resource descriptor checks
 to work around BIOS bugs

On 04.03.2015 03:29, Jiang Liu wrote:
> On 2015/3/3 23:18, Bjorn Helgaas wrote:
>> On Mon, Mar 2, 2015 at 10:25 PM, Jiang Liu <jiang.liu@...ux.intel.com> wrote:
>>> Some BIOSes report incorrect length for ACPI address space descriptors,
>>> so relax the checks to avoid regressions.
>>>
>>> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
>>
>> It'd be nice to have a DSDT archived and referenced in this changelog
>> for future reference.  This sounds similar to previous issues:
> Hi all,
> 	Could anybody help to dump an ACPI table from those failure
> systems so we could archive it?

Attached: DSDT from my Abit A-S78H.

Regards,

Prakash

Download attachment "DSDT-Abit-A-S78H.xz" of type "application/x-xz" (10384 bytes)