Questions tagged [apic]
12 questions
32
votes
2 answers
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 problems are there in enabling them?
i.e. can they cause…
Stephen RC
- 4,920
5
votes
2 answers
Ubuntu 16.04 won't shutdown
When I try to power off Ubuntu 16.04 LTS on my MSI GS60, the laptop will not shut down. Reboot works fine though. I have removed the quiet splash parameters for grub so I can see the output. When I try to power off the laptop, it gets to:
[ OK ]…
vagaerg
- 647
5
votes
1 answer
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 server only recognizes 1 of the 4 cores I have. I…
Kreker
- 491
2
votes
0 answers
APIC and LAPIC work with dual E5410 but not with dual E5420
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 processors without issue but neither will install on…
Dean Faber
- 47
2
votes
1 answer
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 through interrupt-remapped io-apic
What can I do…
Amro
- 33
1
vote
1 answer
Ubuntu 14.04 LTS only one core functioning
I have a pc running Ubuntu 14.04 LTS with an i7-7700 cpu (4 cores 8 threads) however only obe of the cores is recognised. I have seen this issue in other posts, but I have found no solution as of yet. Here I will place some outputs which I think…
TWV
- 21
1
vote
2 answers
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 suspend, recovers immediately).
PC is Dell Optiplex…
Chris Parker
- 11
1
vote
0 answers
DVD Installation noapic error
Hi I'm trying ti install Ubuntu from DVD. I Boot from the DVD and it gets as far as a page of text with the error; "end kernel panic - not syncing: IO-APIC + timer doesn't work"
!Boot with apic=debug and sensd a report. Then try booting with the…
Mike Taylor
- 11
- 2
0
votes
1 answer
Suddenly, APIC problem, Ubuntu 16.04
For no obvious reason Ubuntu 16.04 has started going into kernel panic at boot time with the "MP-BIOS... etc. " error. I can still boot from the live CD that I used for installing the system. I have seen numerous articles about changing the boot…
0
votes
0 answers
Why do radeon graphics in a Live USB session work, but in an installation don't?
When booting a Lubuntu Live session from a USB stick, I get the classic MP-BIOS bug: 8254 timer not connected to IO-APIC error, but nevertheless the session starts and the graphics are working like a charm.
When installing Lubuntu from this stick…
yoshegg
- 91
0
votes
1 answer
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 graphics tools to install). What's the best way…
KI4JGT
- 1,888
0
votes
0 answers
Landscape RestAPI: GetPackages needs its query parameter; however, I want to return all packages
Does the RestAPI allow for wild cards, as I have tried * and % as they are as well as their URL encoded versions when trying to get it to list all packages, by using tag, but none of those attempts work.
query=tag:*
query=tag:%
As : also has to be…
SK49
- 1
- 3