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Re: Strange system behavior
On Sat, Sep 25, 2010 at 02:31:27PM -0700, Paul Goyette wrote:
> On Sat, 25 Sep 2010, Manuel Bouyer wrote:
> >>>Is the CPU and motherboard of the same brand as the previous one ?
> >>Yes. AMD Phenom-II X6 CPU (model 1090T @ 3.2GHz) and ASUS motherboard.
> >>I have two other systems with the same CPU and similar ASUS mobo.
> >>One of these other systems is my primary build-server. The
> >>motherboards differ only in detail features:
> >> #1 - M4A88TD-V EVO/USB3
> >> #2 - M4A88TD-M
> >> #3 - M4A88T-M
> >>#1 is my main build server, and although it does occassionally run
> >>into an unexpected segmentation fault, it has never been repeatable,
> >>and it has never been consistent routinely run "build.sh -j12" on
> >>this machine.
> >>#2 is my primary workhorse machine (mail server, etc.), and has a
> >>slightly slower CPU - Phenom-II X6 1065T @ 2.8HGz, and has never
> >>shown any oddness.
> >>#3 is the dedicated build-and-testbed that I'm trying to get set up.
> >>(The intent is to repeatedly build and atf-test on a more-or-less
> >>continuous basis.) #3 is where I'm having such great difficulty.
> >Hum, #3 has a different southbridge, but also supports lower speed
> >memory only (1866(O.C.)/1333/1066 vs 2000(O.C.)/1600/1333/1066).
> >What memory do you have ? Does it match the motherboard specification ?
> Memory was my first suspicion. I started with 2x2GB of Kingston memory:
> spdmem2: DDR3 SDRAM, no ECC, no temp-sensor, 2GB, 1333MHz (PC3-10666)
> spdmem2: 11 rows, 13 cols, 8 log. banks, 2 phys. banks, 1.500ns cycle time
> spdmem2: tAA-tRCD-tRP-tRAS: 9-9-9-24
> When the problems first manifested, I replaced that with 2x2GB from
> spdmem1: DDR3 SDRAM, no ECC, no temp-sensor, 2GB, 1333MHz (PC3-10666)
> spdmem1: 12 rows, 13 cols, 8 log. banks, 1 phys. banks, 1.500ns cycle time
> spdmem1: tAA-tRCD-tRP-tRAS: 8-8-8-24
Hum, asus says for the M4A88T-M
"AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz"
while for the M4A88TD-M EVO/USB3
"Due to CPU spec., AMD 100 and 200 series CPUs support up to DDR3 1066Mhz.
With ASUS design, this motherboard can support up to DDR3 1333MHz"
so there is a difference between the working and non-working motherboard
in this area.
Did you try with 1066MHz memory, or to lower the memory speed in
the bios (if this is possible, I don't know) ?
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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