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Date:      Thu, 16 May 2002 11:01:22 +0200
From:      Holger Kipp <holger.kipp@alogis.com>
To:        Phil Rosenthal <winter@villaweb.net>, FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.ORG>, Andrew Gallatin <gallatin@cs.duke.edu>
Subject:   Re: ECC
Message-ID:  <3CE37562.63BFB3E8@alogis.com>
References:  <00a201c1fc66$23231510$0700a8c0@zoom>

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Phil Rosenthal wrote:
> 
> > http://people.freebsd.org/~gallatin/ecc-0.14-freebsd.tgz
> 
> I set this up on a Dell 1550 with 2GB of ram.
> 
> I have this system set to MAXMEM 1800MB because the system panics (I guess
> 2GB support isnt really here yet) when I run my software on it with 2GB.
> 
> here is what it says when I run it:
> ECC: monitor version 0.14 (Oct 10 2001)
> ECC: vendor 0x1166
> ECC: device 0x8
> ECC: Chipset ECC capability - ECC with hardware scrubber
> ECC: Current ECC mode - ECC detection and correction
> ECC:    Bank    Size    Type    ECC     SBE     MBE
> ECC:    3       1008M   SDR     Y       0       0
> ECC: Total      1008M

Me too, sort of:
Dell PowerEdge 2500. ECC-monitor 0.14 is only recognizing 1GB instead
of 2GB. See dmesg output below. Hardware available, me in front - willing
to test/debug. Directions needed, though ;-)

Another hardware (currently complaining about 1 SBE, 1MBE) with 3x512M also
available - might be better suited for testing:

ECC: monitor version 0.14 (Oct 10 2001)
ECC: vendor 0x1166
ECC: device 0x9
ECC: MBE Detected in DRAM row 6
ECC: SBE Detected in DRAM row 6
ECC: Chipset ECC capability - ECC with hardware scrubber
ECC: Current ECC mode - ECC with hardware scrubber
ECC:    Bank    Size    Type    ECC     SBE     MBE
ECC:    2       512M    SDR     Y       0       0
ECC:    4       512M    SDR     Y       0       0
ECC:    6       512M    SDR     Y       1       1
ECC: Total      1536M
ECC: MBE Detected in DRAM row 6
ECC: SBE Detected in DRAM row 6

How is the Bank # generated? This board only has 4 memory slots...

Regards,
Holger

output of dmesg (Dell 2500):
--- 8< -----------------------------------------------------------------
FreeBSD 4.6-PRERELEASE #9: Mon May  6 13:49:01 CEST 2002
    root@majestix:/usr/obj/usr/src/sys/MAJESTIX
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (997.46-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x68a  Stepping = 10
  Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CM
OV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 2147418112 (2097088K bytes)
avail memory = 2088062976 (2039124K bytes)
Changing APIC ID for IO APIC #0 from 0 to 2 on chip
Changing APIC ID for IO APIC #1 from 0 to 3 on chip
Programming 16 pins in IOAPIC #0
Programming 16 pins in IOAPIC #1
FreeBSD/SMP: Multiprocessor motherboard
 cpu0 (BSP): apic id:  1, version: 0x00040011, at 0xfee00000
 cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000
 io0 (APIC): apic id:  2, version: 0x000f0011, at 0xfec00000
 io1 (APIC): apic id:  3, version: 0x000f0011, at 0xfec01000
Preloaded elf kernel "kernel" at 0xc038a000.
Pentium Pro MTRR support enabled
md0: Malloc disk
[...]
APIC_IO: routing 8254 via 8259 and IOAPIC #0 intpin 0
SMP: AP CPU #1 Launched!
acd0: DVD-ROM <TOSHIBA DVD-ROM SD-C2502> at ata0-master PIO4
Waiting 3 seconds for SCSI devices to settle
amrd0: <MegaRAID logical drive> on amr0
amrd0: 17278MB (35385344 sectors) RAID 1 (optimal)
amrd1: <MegaRAID logical drive> on amr0
amrd1: 104034MB (213061632 sectors) RAID 5 (optimal)
Mounting root from ufs:/dev/amrd0s1a
ECC: monitor version 0.14 (Oct 10 2001)
ECC: vendor 0x1166
ECC: device 0x8
ECC: Chipset ECC capability - ECC with hardware scrubber
ECC: Current ECC mode - ECC detection and correction
ECC:    Bank    Size    Type    ECC     SBE     MBE
ECC:    3       1024M   SDR     Y       0       0
ECC: Total      1024M
ECC: unloaded.


-- 
Holger Kipp, Dipl.-Math., Systemadministrator  | alogis AG
Fon: +49 (0)30 / 43 65 8 - 114                 | Berliner Strasse 26
Fax: +49 (0)30 / 43 65 8 - 214                 | D-13507 Berlin Tegel
email: holger.kipp@alogis.com                  | http://www.alogis.com

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