From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id BB1C3210D4383 for ; Wed, 1 Aug 2018 12:49:16 -0700 (PDT) From: "Moore, Robert" Subject: RE: [PATCH 1/1] x86, pmem, acpi: Remove excessive ACPI Large Reference Count warnings Date: Wed, 1 Aug 2018 19:49:14 +0000 Message-ID: <94F2FBAB4432B54E8AACC7DFDE6C92E3B94DED8F@ORSMSX108.amr.corp.intel.com> References: <20180730195545.795802877@stormcage.americas.sgi.com> <20180730195548.580717146@stormcage.americas.sgi.com> In-Reply-To: <20180730195548.580717146@stormcage.americas.sgi.com> Content-Language: en-US MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Mike Travis , "Schmauss, Erik" , "Wysocki, Rafael J" , Len Brown Cc: Dimitri Sivanich , Russ Anderson , "linux-nvdimm@lists.01.org" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "devel@acpica.org" List-ID: Are there any actual memory leaks, or this a consequence of the number of sockets? > -----Original Message----- > From: Mike Travis [mailto:mike.travis@hpe.com] > Sent: Monday, July 30, 2018 12:56 PM > To: Moore, Robert ; Schmauss, Erik > ; Wysocki, Rafael J > ; Len Brown > Cc: Russ Anderson ; Dimitri Sivanich > ; Ross Zwisler ; > Williams, Dan J ; Verma, Vishal L > ; Jiang, Dave ; linux- > acpi@vger.kernel.org; devel@acpica.org; linux-nvdimm@lists.01.org; > linux-kernel@vger.kernel.org > Subject: [PATCH 1/1] x86, pmem, acpi: Remove excessive ACPI Large > Reference Count warnings > > With the Intel BIOS support for 8 processor sockets with a full > complement of NVDIMMS potentially installable, and there are empty > sockets without NVDIMMS, there is an extremely large amount of the > following warnings: > > ACPI Warning: Large Reference Count (0x1001) in object ffff99453fc71750, > Type=0x0A > > On a 4 socket system with 4 NVDIMMs there were over 6000 of these > warning messages and it has been seem on systems from 4 to 32 sockets. > > Through some guidance from the BIOS developers and testing, it appears > that simply bumping up the threshold for warnings from 0x1000 to 0x2000 > eliminates these messages. Changing them to be ACPI DEBUG messages, or > even removing them are other options, but it would then defeat the > purpose of the warnings as the problem would effectively be hidden. > > Reviewed-by: Dimitri Sivanich > Tested-by: Russ Anderson > Signed-off-by: Mike Travis > --- > include/acpi/acconfig.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- linux-4.12.orig/include/acpi/acconfig.h > +++ linux-4.12/include/acpi/acconfig.h > @@ -123,7 +123,7 @@ > > /* Maximum object reference count (detects object deletion issues) */ > > -#define ACPI_MAX_REFERENCE_COUNT 0x1000 > +#define ACPI_MAX_REFERENCE_COUNT 0x2000 > > /* Default page size for use in mapping memory for operation regions */ > > > -- _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm