amd64: Fatal Trap 12 in high load situations
davidn04 at gmail.com
Sat Feb 6 13:03:07 UTC 2010
On 6 February 2010 22:18, ms80 <ms80 at dynamik.sytes.net> wrote:
> Am Saturday 06 February 2010 11:38:25 schrob Michael Powell:
>> ms80 wrote:
>> > Hi
>> > I have a problem installing / upgrading FreeBSD 8.0-release on a new
>> > machine.
>> > The computers specs are:
>> > cpu: AMD Phenom II X4
>> > board: Gigabyte MA790GPT-UD3H
>> > ram: 4x2GBytes DDR3/1333
>> > hdd: 2xMaxtor STM31000528AS
>> > nic: 4x Intel(R) PRO/1000
>> > So here are my questions:
>> > 1. Are there any known caveats or quirks regarding my hardware?
>> > 2. What can I do to further investigate this issue
>> > 3. Not fully on topic but might be related: The buildsystem recognizes my
>> > cpu as "686 class cpu" wich is wrong. Are there any switches I can set in
>> > make.conf to have 'make' use the correct values? Currently I'm using a
>> > blank make.conf, meaning it is not present (as it is by default on a
>> > fresh installed system).
> [snip too]
>> I believe your problem centers around memory. It may not be designed for
>> AM3 socket and/or may not be able to handle a higher memory multiplier.
>> When I first put this motherboard in I attempted to boot from an already
>> installed OS with the memory multiplier set too high and saw numerous
>> examples similar to what you are describing. Since I had bought 1600MHz
>> memory I mistakenly set the multiplier too high. When I set it back to
>> 1333MHz everything was fine. Either the memory multiplier is set too high
>> for your RAM or it is just the wrong RAM to begin with.
>> As far as make.conf goes I use: CPUTYPE?= k8
> Thank you for your reply.
> I'm using two of this: OCZ3P1333LVAM4GK
> (OCZ DDR3 AMD Edition, rated for 1333MHz at 1.65V). My Board is rated for 1066
> - 1600 MHz memory, and neither the website nor the manual say anything about
> limitations with memory. Anyway: I didn't overclock cpu or memory. I have
> stability and long life in mind, so I try to keep the hardware cool. During
> testing I underclocked the memory with 1066 and 800 MHz which didn't help: The
> machine crashes anyway. The only thing to note is that by default the board
> tries to set 1.5V DDR3 Voltage which is wrong, you have to set it to 1.65V
> A faulty piece of hardware was the first thing I suspected and I tested among
> other things the memory with memtest86+. This runs fine for 4 passes, without
> any error. As far as I can tell, my memory subsystem is ok.
> As for make.conf: thanks, I will set this when I try again.
> with best regards
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What power supply do you have?
How many watts? brand?
If you have insufficient power, it may cause the system to become unstable.
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