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0answers
52 views

Ubuntu 12.04 heavy distortion after installation

I recently try to install 12.04 LTS on my office desktop, which is an APIC machine. I boot from live usb with apic=off and installed it. But, when I restart and boot from the hard drive, the screen ...
2
votes
0answers
100 views

APIC and LAPIC work with dual E5410 but not with dual E5420 [on hold]

I have a iDataPlex system with 2 dx340 system modules. One has dual Xeon E5410 processors and the other board has dual E5420 processors. I can install ESXi and Ubuntu on the board with the E5410 ...
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votes
1answer
89 views

Best way to apply boot options

I need to boot my computer with nolapic noapic and acpi=off. I can do it with the liveCD but unless the flags are applied at boot on the harddrive the kernel panics and the system doesn't boot (so no ...
2
votes
1answer
962 views

Ubuntu on Macbook pro fails to boot: timer doesn't work through interrupt-remapped io-apic

After I was installed Ubuntu on my Macbook Pro using Wubi in Windows 7 Professional 32-bit and restarted my PC to boot from Ubuntu, I got that message: Kernel panic not syncing : timer doesn't work ...
5
votes
1answer
2k views

Ubuntu server 11.04 recognize only 1 core instead of 4

I searched for other questions and googled a lot but I didn't find a solution for solving this problem. I have Ubuntu Server 11.04 64bit installed on my Dell Poweredge with Intel Xeon X5450. The ...
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2answers
758 views

Trouble with Plymouth and Suspend/Hibernate on a Dell Optiplex GX520

There are two symptoms apparently related to an ACPI issue on my computer, as none of these problems happen if I boot with ACPI=OFF (except then the system cannot shut itself off or, in the case of ...
12
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1answer
20k views

What do the different Boot Options mean? (i.e. acpi=off, noapic, nolapic, etc)

I've been having issues installing 11.04 on my new laptop, the solution was to enable any of these boot options: acpi=off noapic nolapic But, what do these options actually do? What sort of ...