Messages in this thread | | | Date | Wed, 06 Aug 2008 16:05:02 +0200 | From | Alexander Huemer <> | Subject | 2.6.27-rc1 mtrr fixes do not work |
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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.
here is some data:
seaburg ~ # grep -E "(^\(WW\)|^\(EE\)|^\(NI\)|^\(??\))" /var/log/Xorg.0.log (WW) VESA(0): Failed to set up write-combining range (0xd8000000,0x2000000) seaburg ~ # dmesg|grep mtrr Command line: root=/dev/sda1 video=uvesafb:1280x1024-24@97,mtrr:3,ywrap mtrr_gran_size=64m mtrr_chunk_size=1024m Kernel command line: root=/dev/sda1 video=uvesafb:1280x1024-24@97,mtrr:3,ywrap mtrr_gran_size=64m mtrr_chunk_size=1024m mtrr: type mismatch for d8000000,800000 old: write-back new: write-combining mtrr: type mismatch for d8000000,400000 old: write-back new: write-combining mtrr: type mismatch for d8000000,200000 old: write-back new: write-combining mtrr: type mismatch for d8000000,100000 old: write-back new: write-combining mtrr: type mismatch for d8000000,80000 old: write-back new: write-combining mtrr: type mismatch for d8000000,40000 old: write-back new: write-combining mtrr: type mismatch for d8000000,20000 old: write-back new: write-combining mtrr: type mismatch for d8000000,10000 old: write-back new: write-combining mtrr: type mismatch for d8000000,8000 old: write-back new: write-combining mtrr: type mismatch for d8000000,4000 old: write-back new: write-combining mtrr: type mismatch for d8000000,2000 old: write-back new: write-combining mtrr: type mismatch for d8000000,1000 old: write-back new: write-combining mtrr: type mismatch for d8000000,2000000 old: write-back new: write-combining 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 ~ # grep MemTotal /proc/meminfo MemTotal: 4041308 kB seaburg ~ # lspci -v | grep -A10 VGA 20:05.0 VGA compatible controller: XGI Technology Inc. (eXtreme Graphics Innovation) Volari Z7 (prog-if 00 [VGA controller]) Subsystem: XGI Technology Inc. (eXtreme Graphics Innovation) Volari Z7 Flags: 66MHz, medium devsel BIST result: 00 Memory at d8000000 (32-bit, prefetchable) [size=64M] Memory at dc300000 (32-bit, non-prefetchable) [size=256K] I/O ports at 3000 [size=128] Capabilities: [40] Power Management version 2
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 ~ #
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