Ubuntu

Post-installation arbitrary restart in Dapper

Asked by Ana Isabel González-Tablas Ferreres

We have installed Ubuntu 6.06 Desktop from CD on a Supermicro server (mother board H8DME2 with 2 CPU AMD Opteron Dual Core + 2 GB RAM...). During installation it restarted arbitrarily (about two or three times). We thought it was because the 2GB of RAM so we look up some help in Internet and tried specifying "mem=512m" in the kernel line (?). We managed to install it but after installation and during initial configuration, it kept restarting arbitrarily... (which is quite annoying). We looked up again in Internet some help and tried with kernel boot up parameters "irqpoll pci=noacppi noapic nolapic acpi=off" and that fixed the problem (although now it does not shut up by itself). We are not linux experts and we need some advice in the following questions or that someone point us where to look up for the answers (please):

- Is compatible Ububtu 6.06 with that hardware?
- How can we configure the system so now it takes full advantadge of its 2 GB of RAM instead of 512M? (Is it safe to take out that parameter now from the kernel launch line?)
- Which of the "huge bunch" of parameters we tried is working and which ones are unnecessary (in the case that one of the parameters is working)?
- Is there a more adequate solution different from specifying kernel boot parameters?
- May this problem be related with that it is Gnome and not KDE graphical interface?

Thank you very much, Anabel

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Benoit Malet (benoit-malet) said : 		#1

Hello !

Is the version you tried to install the 64bit version of Dapper ?

Regards,
Benoît

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Ana Isabel González-Tablas Ferreres (aigonzal) said : 		#2

Hello!

Yes, it is the 64 bit version.

Regards, Anabel

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Benoit Malet (benoit-malet) said : 		#3

Hello !

I'm not a specialist, but I think it is safe to remove the "mem" option from kernel parameters ... At least, it won't do any bad !

For the others "magic parameters", you can remove pci=noacpi as you turned off acpi with acpi=off (in fact, you can say acpi=ht, so it's disabled except fot hyperthreading stuff) ...
For noapci and nolapic, I would give a try with them remved as well ...

I think irqpoll is involved in interuption management, so it should be safe to remove it also ...

If it's safe for you to test (e.g no users on the system willing to crush your bones at the first reboot), you can even try to remove them one at a time, but these tests can prove time consuming ...

Hope this helps !

Regards,
Benoît

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