On Wed, Aug 01, 2018 at 07:49:14PM +0000, Moore, Robert wrote: > Are there any actual memory leaks, or this a consequence of the number of sockets? It is a consequence of the number of sockets. It is not an actual memory leak. Thanks. > > -----Original Message----- > > From: Mike Travis [mailto:mike.travis@xxxxxxx] > > Sent: Monday, July 30, 2018 12:56 PM > > To: Moore, Robert <robert.moore@xxxxxxxxx>; Schmauss, Erik > > <erik.schmauss@xxxxxxxxx>; Wysocki, Rafael J > > <rafael.j.wysocki@xxxxxxxxx>; Len Brown <lenb@xxxxxxxxxx> > > Cc: Russ Anderson <russ.anderson@xxxxxxx>; Dimitri Sivanich > > <dimitri.sivanich@xxxxxxx>; Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>; > > Williams, Dan J <dan.j.williams@xxxxxxxxx>; Verma, Vishal L > > <vishal.l.verma@xxxxxxxxx>; Jiang, Dave <dave.jiang@xxxxxxxxx>; linux- > > acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; linux-nvdimm@xxxxxxxxxxxx; > > linux-kernel@xxxxxxxxxxxxxxx > > 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 <dimitri.sivanich@xxxxxxx> > > Tested-by: Russ Anderson <russ.anderson@xxxxxxx> > > Signed-off-by: Mike Travis <mike.travis@xxxxxxx> > > --- > > 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 */ > > > > > > -- > -- Russ Anderson, SuperDome Flex Linux Kernel Group Manager HPE - Hewlett Packard Enterprise (formerly SGI) rja@xxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
