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Old 05-15-2006, 05:52 PM
nichollsd nichollsd is offline
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Default Fatal Trap 12 - how to fix
Dear all,

I posted some time ago about a Fatal Trap 12 on my laptop preventing me from starting PC BSD.

Since then I tried just using FreeBSD 6.0 and managed to get it working - ACPI is the key, as fatal trap 12 doesn't appear when ACPI is used in install or during normal usage.

The problem in PC BSD is that, although you get to choose the boot mode when installing from the CD (the FreeBSD screen with the 8 boot up options) you don't get the same options when you load the system up after install. Which means you don't get the option to enable ACPI...and hence the system falls over and dies before it's even started.

Is there anyway to access this menu? Is there anyway to modify the installation (or modify a file after install) so that ACPI is enabled automatically??

If we can find this then it will probably solve a lot of people's problems with Fatal Trap 12.

Dan :-)
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Old 05-15-2006, 06:42 PM
TerryP TerryP is offline
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I belive you can disable ACPI in your computers BIOS.
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Old 05-15-2006, 07:14 PM
nichollsd nichollsd is offline
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There's no ACPI options in my BIOS...probably to stop the thing melting.
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Old 05-15-2006, 07:16 PM
TerryP TerryP is offline
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Originally Posted by nichollsd
There's no ACPI options in my BIOS...probably to stop the thing melting.
Ugh, sorry to here that mate
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Old 05-15-2006, 09:03 PM
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antik antik is offline
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Originally Posted by TerryP
Originally Posted by nichollsd
There's no ACPI options in my BIOS...probably to stop the thing melting.
Ugh, sorry to here that mate
I described here, how to disable ACPI on boot.
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Old 05-15-2006, 10:35 PM
nichollsd nichollsd is offline
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Actually, disabling ACPI is not the way to go.

My laptop will only run PCBSD with ACPI enabled, otherwise I get a fatal trap 12. I've enabled it by using the command prompt on start up and typing:

Quote:
OK load acpi.ko
OK boot
Now I just need to figure out how to make it do that automatically...[/quote]
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Old 05-15-2006, 10:47 PM
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antik antik is offline
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Originally Posted by nichollsd
Actually, disabling ACPI is not the way to go.

My laptop will only run PCBSD with ACPI enabled, otherwise I get a fatal trap 12. I've enabled it by using the command prompt on start up and typing:

Quote:
OK load acpi.ko
OK boot
Now I just need to figure out how to make it do that automatically...
Add line to /boot/loader.conf:
Code:
acpi_load="YES"
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Old 05-15-2006, 11:14 PM
nichollsd nichollsd is offline
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Sorted...cheers Antik!

New thread starting tommorow regarding USB keyboards, USB external HDDs and Fonts!!

Goodnight for now...
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