lkml.org 
[lkml]   [2008]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.6.27-rc1 mtrr fixes do not work
    On Thu, Aug 7, 2008 at 1:23 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
    > On Thu, Aug 7, 2008 at 1:15 PM, Pallipadi, Venkatesh
    > <venkatesh.pallipadi@intel.com> wrote:
    >>
    >> Adding Yinghai.
    >>
    >>>-----Original Message-----
    >>>From: Rafael J. Wysocki [mailto:rjw@sisk.pl]
    >>>Sent: Thursday, August 07, 2008 1:14 PM
    >>>To: Alexander Huemer
    >>>Cc: linux-kernel@vger.kernel.org; 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,
    >>>>
    >>>> mtrr is wrong on my machine. the fixes of 2.6.27-rc1 do not
    >>>seem to work.
    >>>> bios is the newest version, mainboard vendor says it's not
    >>>their fault.
    >>>> mainboard is tyan i5000pw.
    >>>> please tell me how i can help and cc me on answers, i am not
    >>>subscribed.
    >>>>
    >>>> 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 ~ #
    >
    > alexander,
    >
    > 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


    \
     
     \ /
      Last update: 2008-08-07 22:29    [W:0.026 / U:1.724 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site