Messages in this thread | | | Date | 14 Sep 2005 09:22:34 GMT | From | Kenneth Parrish <> | Subject | Re: [PROBLEM] mtrr's not set, 2.6.13 |
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-=> In 13 Sep 05 15:30:16 article, Dave Jones wrote to All and Jim <=-
[...]
JM> /proc/mtrr: JM> JM> reg00: base=0x00000000 ( 0MB), size=983552MB: write-back, count=1
DJ> That's an incredibly huge amount of system ram :) DJ> Have you done a BIOS update between the kernel upgrades by any chance ? DJ> Or altered any options in the BIOS ?
DJ> Does booting the older kernel definitly still work ?
DJ> AFAIR, we don't touch the first MTRR, that's typically set up by DJ> the BIOS before we even boot.
not sure when this changed, but this computer, a 99 e-machines cyrix m ii and via mvp3 unit, is showing more than the 512 megas pc 100 ram it actually has, apparently, in the first line of /proc/mtrr quoted below
3 Wed Sep 14 03:44:18 0 ~/build/kernel/linux-2.6.14-rc1 $ cat /proc/mtrr reg00: base=0xfd000000 (4048MB), size= 4MB: write-combining, count=1 reg01: base=0x000c0000 ( 0MB), size= 256KB: uncachable, count=1 reg07: base=0x00000000 ( 0MB), size= 512MB: write-back, count=1
X shows the video with four MB, lspci shows 16MB -- been that way for awhile..
01:00.0 VGA compatible controller: ATI Technologies Inc 3D Rage IIC AGP (rev 7a) (prog-if 00 [VGA]) Subsystem: ATI Technologies Inc Rage IIC AGP Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Ste SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbor <MAbort- >SERR- <PERR- Latency: 64 (2000ns min), cache line size 08 Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M] Region 1: I/O ports at d800 [size=256] Region 2: Memory at feaff000 (32-bit, non-prefetchable) [size=4K] Expansion ROM at feac0000 [disabled] [size=128K] Capabilities: [5c] Power Management version 1 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3ho Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Linux fret 2.6.14-rc1 #6 Wed Sep 14 01:05:11 CDT 2005 i686 unknown unknown GNU/Linux
p.s. this 2.6.14-rc1 kernel shows four lines plus one or two pixels of the next line, at the bottom of each text console, filled with what looks like earlier buffer. and it scrolls, with new output. ??
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