Server :: Get Hyperthreading Without Turning On Any Part Of ACPI?
Mar 22, 2011
Some time ago I've opened a thread about ACPI - as it turned out - killing my server. You may read it here if interested.My question is how can I enable Hyperthreading support in my kernel without enabling any part of ACPI?(Boot flag acpi=ht causes the same issue as described in above thread, so enabling any part of ACPI in any manner is not desirable)My kernel:
[root@sheridan ~]# uname -a
Linux sheridan.******** 2.6.35.11-83.fc14.x86_64 #1 SMP Mon Feb 7 07:06:44 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
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May 24, 2010
I'm trying to figure out how to access the local part and the domain part of an email address in postfix's main.cf. For example, myname@mydomain.net has myname as the local part and mydomain.net as the domain part.I get the whole email address with %s. I want to speed up the lookups by writing better database queries.I've had no luck finding this in the otherwise well documented postfix.
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Jul 13, 2009
we have access to one domain name , 1 internet ip address and may servers hosting different part of site. I want them all to be accessed via same web site . some of the server in our network are embedded devices.they have their specific utility being hosted on that machine. So the severs are bound to be distributed . I just wanted to know how can I access them via single ip, domain name.
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Jan 14, 2010
Having trouble rebooting a system. Have a Ubuntu 9.10 (2.6.31-16 generic-pae) build on a VMWare installation. The system was fine until I rebooted after an update. Now I get the above message and the system halts loading. Have tried to Grub acpi=off and acpi=force to no avail.
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May 29, 2011
When I run OpenSUSE from the Live CD using normal settings, booting stops with a blank screen a moment after the kernel is loaded. When running it with ACPI disabled, it works, but direct rendering is disabled, even though it detects my video card (Mobility Radeon HD 5650) correctly Here's the Xorg.0.log file: my xorg log - [URL]
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Nov 7, 2010
I have random X freezes (suddenly keyboard and mouse stop to react). Xorg.O.log is error and warnings free. The only problems I see in syslog/ dmesg are related to ACPI.
I have Asus P5E3 Deluxe motherboard. Slackware 13.1
Linux vareg 2.6.33.4-smp #2 SMP Wed May 12 22:47:36 CDT 2010 i686 Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz GenuineIntel GNU/Linux
Code:
Code:
I ahve also today upgraded my BIOS to 1303 version. Still no difference.
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Sep 2, 2010
I recently installed 10.04 and really like it so far, however I was wondering if it is possible to scale all hypertheading cores at once, currently I am using an applet for each and have to use several clicks to get into the desired powerstate.
I have read that with dual cores you will not have the option to go into different powerstates because it scales all cores at once, however the logical cores that show up with hyperthreading allow each to have a different power state, and will show up as different states if I use cpufreq-info in the terminal, so it seems like it is allowing it.
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Feb 28, 2010
have only been able to find instructions to enable HyperThreading on legacy versions of Grub, but not Grub2.
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Aug 6, 2010
i would like to know whats the minimal iptables config for turning my ubuntu box into a router
i just tryed this one and works:
echo "1" > /proc/sys/ipv4/ip_forwarding
and
sudo iptables -A POSTROUTING -t nat -j MASQUERADE
[code]....
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Oct 28, 2010
turning a Ubuntu 10.04 desktop into a server. Ok, so let me start off with my goal. I am using this machine for hosting only 1 website using joomla, php, mysql, and apache. I want a desktop version because I dont like the black and white terminal.
At this point I have successfully installed all Ubuntu 10.04 desktop and all updates.
When searching around for this solution, I found that I could run the command sudo apt-get install ubuntu-server and get all the features the server edition has. When running this command it comes back telling me that it cannot be found. I also found that both the server and desktop edition are the same but the desktop edition comes with all the extras that I will need to delete. I also found out that I will need to use lamp on the server to get php and all the other server stuff, but I also found that some people recommended that I install the server apps using the synaptic search. My question is, what route should I take to turn this ubuntu 10.04 desktop into a dedicated web server. (Not Test Server). Remember, I would like to stay with the desktop and not black and white terminal.
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Jul 29, 2011
Im having problems turning my server into a gateway. I followed this guide- [URL]- and I cant get it to work.In my server I installed two new gigabit network cards, and I cant seem to be able to get it to work.
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Dec 8, 2010
I just used dd to clone a linux partition to a new hard drive, it had 800mb left on the old hard drive, after dd, new hard drive lists 1.29/1.3 terabytes full. Is this what happens by default in dd? How can I fix this?
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May 2, 2011
I'm running Ubuntu Server 11.04 on a home PC as a local-only file and web server for some private projects.After a few minutes Ubuntu will stop responding to the network and a cold reboot is required to re-enable the NIC.I've been able to stop the above occurring with a user logged in and constantly pinging the gateway, although this is obviously undesirable.
I read here and elsewhere that a fix is to set acpi=off in grub. I have done this but now instead Ubuntu will not boot and shows the message:
do_IRQ: 1.55 No irq handle for vector (irq -1)
Disabling IRQ #34
and hangs there indefinitely. The system will boot fine if I revert the changes but obviously the sleep problem remains.The BIOS does not have an option to disable ACPI, just select S1 or S3.Is there anything else I should be looking for in order to disable sleep? Otherwise the system is working fine, and when it's awake I haven't had any other trouble.
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Jan 14, 2010
In bootseqence of linux, the first step is check the CMOSRAM(size 64bytes) setup for custmor setting. So i am just confused wether CMOSRAM is a part of motherboard or is a part of RAM itself.
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Feb 25, 2010
I'm running Ubuntu Server 9.10 on a dual socket X5550 platform with hyperthreading disabled. There should be 8 cores available for running processes: dual-socket, quad-core. When I start 8 single-threaded, cpu-intensive processes running, top shows six processes running at 100% and two at 50% (presumably sharing the seventh core). No other processes are reported as having >1% cpu, and yet the 1-minute load average is listed as over 11.0?!
1) Why is it not running each process on its own core?
2) Why is the load average so much greater than 8?
3) Is there anything I can change in the configuration to fix this?
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May 5, 2010
I need a webserver (LAMP) running inside a virtual machine (#1) running as a service (#2) in headless mode (#3) with part or the whole file system encrypted (#4).The virtual machine will be started with no user intervention and provide access to a web application for users in the host machine. Points #1,#2 and #3 are checked and proved to be working fine with Sun VirtualBox, so my question is for #4:Can I encrypt all of the file system and still access the webserver (using a browser) or will GRUB ask me for a password?If encrypting all of the file system is not an option, can I encrypt only /home and /var/www? Will Apache/PHP be able to use files in /home or /var/www without asking for a password or mounting these partitions manually?
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Jan 1, 2010
I added a script to /etc/init.d/local and made it run at boot using:
Code:
update-rc.d local defaults 80
Is there any way for me to make it NOT run when the server is rebooted/halted?
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Jul 5, 2011
How do e-mail clients know whether or not an e-mail is part of a thread? (For example, Thunderbird can fold e-mails into threads.) Do they just guess based on the Subject line, or do they know for certain based on an e-mail field? I was planning to tackle some more advanced filter programming on my Postfix server.
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Oct 9, 2010
I have tested just now if my small compaq 110 will work with ubuntu 10.04.1, it works from the life CD, but it needs the acpi=off to be set.
Whe I install it from that CD, where do I have to set the acpi=off before I reboot? (the ubuntu will not boot otherwise)
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Oct 28, 2010
I use Ubuntu live and wanted to run the session with ACPI turned off
So at boot-time using F6 I selected ACPI=off
However, pstree -p shows, on line 2,: acpid(1817)
So how do i really turn ACPI off?
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Feb 23, 2011
I haven't been able to use linux for like 6 months I've tried Fedora 14, Debian Testing, Ubuntu 10.04 and now Mint KDE.
Whenever I boot any distro my laptop acts randombly, it gets to GDM and it freezes, or it lets me login and then freezes or works really slow, even through the shell.
The only thing I could figured is to insert acpi=off on the boot commands googling around, and there it boots.
My problem is that it gets overheated, I can't use any porcessor policy and I can't suspend my laptop with that boot line.
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Jan 26, 2010
I was reading this interesting article Fix Ubuntu Dropping Wireless on Suspend/Hibernate Resume - On The Road with Vicky Lamburn and I look in the /etc//default folder an don't see it can anyone tell where to find this in suse?
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Dec 26, 2009
My openSuse install can't boot/login with ACPI enabled. I disabled ACPI and have been using it for a while, but would like to get ACPI working.
When I did the install from the livecd it would hang when loading the kernel. I would see the progress indicator get to 99% and then my computer froze. I disabled ACPI from the options and was able to install.
But I never got any error messages or any other output so I don't know what module was causing the problem when being loaded.
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Jan 3, 2010
I have to use acpi=off because my PC is crushing/freezing during installation and 2 mins after boot up. Currently I'm using acpi=ht to enable second CPU.
The problem is that my Intel graphic card is slow and Xorg is taking a lot of CPU.
I'm also not able to enable compiz when disabling acpi. The biggest problem is the MythTV that is so slow in the menu area alone that I'm not watching any TV in it lately.
When I'm not, it's crushing, no CPU spikes, no strange behavior just crushing without any logs.
Ubuntu 8.10 was running well on the box.
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Jun 26, 2010
I installed Powertop after reading a number of threads of threads about power consumption issues in Lucid. Though it would be good to know what I was doing. But when I run Powertop it tells me "now ACPI power usage estimate available".
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Dec 4, 2010
I've installed 10.10 on a laptop and everything is working except for suspend. The laptop will go into suspend, but will not wake up. I have to hard reboot to recover. From my research it appears to have something to do with ACPI and I would like to switch to APM. However all the instructions I found for doing this seem to apply to older versions of Ubuntu before the switch to Grub2 so there is no menu.lst file to make changes to. So I'm looking to understand how to switch to APM in 10.10?
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Jul 8, 2011
I am running Ubuntu 8.04 (it's discontinued, I know) in an ASUS laptop. I'd had to turn ACPI off, otherwise, it would not start. I could update the BIOS, to correct this problem, but on this laptop that's not doable. Without ACPI, sound is turned off too (which is a pity). If I update to the latest Ubuntu, will this problem persist?
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Mar 12, 2010
I have a Toshiba Satellite L505D-GS6000 it had windows7 on it when I bought it new. Needless to say windows just ran too slow. The only Ubuntu distro that would boot up was Karmic 9.10. I had to append the phrase acpi=off to get the live ISO to boot I had to type acpi=off after the word splash. I saw it would boot so I installed it as the only OS on this computer.
Now when I boot up I am hitting the power button once and the back on again to get to the grub. I hit the E key use my arrows down to the word splash type acpi=off. Then hit CTRL X to boot up. How do I put this permanently into Grub2.
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Jul 22, 2010
I'm trying to configure the critical trip points on a bunch of servers so they will shut down automatically if they get too hot. Problem is, acpi doesn't seem to see any of the sensor data and /proc/acpi/thermal_zone is empty. Oddly enough, when I run "sensors," I get info back. Also, i2c and acpi appears to be installed according to modprobe and dpkg.
Here are the relevant outputs:
plasmo:/proc/acpi/thermal_zone# sensors
lm78-i2c-0-2d
Adapter: SMBus I801 adapter at 0400
VCore 1: +2.34 V (min = +0.00 V, max = +3.49 V)
VCore 2: +3.68 V (min = +2.96 V, max = +0.08 V)
+3.3V: +3.30 V (min = +1.54 V, max = +3.42 V)
+5V: +5.51 V (min = +5.51 V, max = +4.30 V)
+12V: +9.73 V (min = +10.94 V, max = +2.13 V)
-12V: -10.85 V (min = -11.57 V, max = -5.17 V)
-5V: -3.83 V (min = -2.96 V, max = -4.50 V) .....
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Jun 4, 2010
How can I do in order to stop the ACPI daemon. I need this to check history ACPI event.
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