On Thu, Aug 7, 2008 at 1:23 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:yinghai,
On Thu, Aug 7, 2008 at 1:15 PM, Pallipadi, Venkatesh
<venkatesh.pallipadi@xxxxxxxxx> wrote:
Adding Yinghai.alexander,
-----Original Message-----
From: Rafael J. Wysocki [mailto:rjw@xxxxxxx]
Sent: Thursday, August 07, 2008 1:14 PM
To: Alexander Huemer
Cc: linux-kernel@xxxxxxxxxxxxxxx; Andi Kleen; Pallipadi, Venkatesh
Subject: Re: 2.6.27-rc1 mtrr fixes do not work
[Adding CCs.]
On Wednesday, 6 of August 2008, Alexander Huemer wrote:
hi,seem to work.
mtrr is wrong on my machine. the fixes of 2.6.27-rc1 do not
bios is the newest version, mainboard vendor says it's nottheir fault.
mainboard is tyan i5000pw.subscribed.
please tell me how i can help and cc me on answers, i am not
seaburg ~ # cat /proc/mtrr
reg00: base=0x00000000 ( 0MB), size=198656MB: write-back, count=1
reg01: base=0x80000000 (2048MB), size=197632MB: write-back, count=1
reg02: base=0x100000000 (4096MB), size=197632MB: write-back, count=1
seaburg ~ # zcat /proc/config.gz | grep MTRR
CONFIG_MTRR=y
CONFIG_MTRR_SANITIZER=y
CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1
CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
seaburg ~ # uname -a
Linux seaburg 2.6.27-rc1-blackbit #3 SMP Wed Aug 6 00:34:51 CEST 2008
x86_64 Intel(R) Xeon(R) CPU E5420 @ 2.50GHz GenuineIntel GNU/Linux
seaburg ~ #
please send out
dmesg -s 262144 > dmesg.txt
or
dmesg -s 524288 > dmesg.txt
you may need to set
CONFIG_LOG_BUF_SHIFT=19
without mtrr_gran_size=64m mtrr_chunk_size=1024m on command line
guess mtrr_chunk_size=512m could work
YH