Ubuntu :: Cat /proc/cpuinfo Displaying Wrong Info
Feb 17, 2010
I recently built a new computer. For CPU, I am using AMD Athlon II X2 @ 2.8GHz... However, when I do cat /proc/cpuinfo, I get the following:
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 6
model name : AMD Athlon(tm) II X2 240 Processor
stepping : 2
cpu MHz : 800.000
cache size : 1024 KB
and same thing for processor: 1 Notice that for cpu MHz, it says 800.000. However, that is not correct... Shouldn't it say 2800? Is this a bug? Am I looking at this wrong?
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Jul 18, 2011
My CPU has 2 cores, so I can see two parts in /proc/cpuinfo.But, I want to know if CPUs that support Hyper-Threading (or similar tech), will /proc/cpuinfo give CPU info per core or per thread (or call it sibling)?I only know that Windows Task Manager will give CPU usage statistics per thread if the CPU supports HT.
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Jan 13, 2010
Is there a simple way to determine the CPU socket from the output of /proc/cpuinfo. Determining the type of processor is simple enough, but the processor I have (Celeron) has two different possible sockets. The output of /proc/cpuinfo is:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
[Code]...
I've looked on the Intel processor finder web site with appropriate filters, but the stepping values do not appear to match anything.
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May 13, 2011
I have fedora 14 installed and wish to use/learn kvm. I installed via groupinstall the virtualization group. I see vmx in /proc/cpuinfo. but when I start virt-manager I get a message that kvm is not installed or cannot be leaded into the kernel (to make a long message short). I am at a loss here as to what to do. I run cat /proc/modules and see "kvm 257420 0 - Live 0xffffffffa022a000". also after running modprobe kvm I run [root@fed14 ~]# lsmod | grep -i kvmkvm 257420 0 and see kvm there.
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Oct 1, 2010
I'm trying to retrieve a single string or value from /proc/cpuinfo, but when I try to extract the model (not the model name) the model name comes with it, also it likes to print it twice...
Code:
model="`cat /proc/cpuinfo | grep model | cut -d: -f2 | cut -c1-3`"
echo $model
All i want this to do is spit out the model number once. (I need to pass it to another script)
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Jan 6, 2010
Only lately I notice that my CentOS 5.2
(Linux centos52-64-fuj 2.6.18-92.el5 #1 SMP Tue Jun 10 18:51:06 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux)
does not detect a second core according to /proc/cpuinfo
Quote:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
[Code]....
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Nov 21, 2009
I have just bought new PC (Intel mother board "Intel DP43TF ATX" and Processor "Intel Core 2 Quad Q9550"). and I have installed centos 5.3 32 bit.
NOTE: All cores are enabled in BIOS.
When I issue below command, it shows only one core (not 4 cores): what could be reason!
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
[Code].....
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Feb 26, 2011
I have following in cpuinfo:
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
[code]....
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Sep 2, 2011
There is a computer with two "Xeon(R) CPU X5550 @ 2.67GHz" CPU. The Hyper-threading is enabled, so it looks like 16-core system, but really there is only 8 physical cores.
I know that when hyperthreading is enabled, each physical core is splitted into two virtual cores. I want to know, which pair of virtual cores shares a physical core and which are not. Or, how (in what order) will Linux enumerate HT-cores comparing to real cores. (enumerating is done for sched_setaffinity and taskset masks).
I have a dump of /proc/cpuinfo file from the system.
I think there are possible:
CPU0-CPU7 are not sharing phys. core. CPU8-CPU15 too. But sharing is in pairs CPU0+CPU8, CPU(i)+CPU(i+8) and so on. or CPU0+CPU1 are from single physical, CPU2+CPU3, CPU(2*i)+CPU(2*i+1). or exotic CPU0+CPU15 sharing, CPU1+CPU14 ... or random?
The hard moment in this case is that there are 2 physical dies of CPU (two sockets), and usual recommendation of using "physical id:" field can't help
The cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
[Code].....
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Nov 7, 2010
I'm trying to display Wi-Fi network info using Conky. I've got it to display the IP address and the upload/download speeds, but for some reason it won't display the network SSID or wireless signal strength. Here's the relevant portion of my conky configuration:
Wi-Fi:
Network: ${wireless_essid eth1}
Signal Strength: ${wireless_link_qual_perc eth1}%
IP address: ${addr eth1}
Download Speed: ${downspeedf eth1} Kb/sec
Upload Speed: ${upspeedf eth1} Kb/sec
It's not the most frustrating problem in the world, but I've been unable to figure out the solution myself after several hours of perusing previous similar problems with Conky configs.
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Sep 14, 2010
I have been trying to configure webalizer on a centOS 5.5 system. I did the yum install and I found this helpful link...However when I try to change the dir it puts the info into, it keeps giveing me an error cannot cd to the directory. I changed the /etc/webalizer.conf file as described in the above article and try to run it manually same results. /etc/cron.daily/00webalizer Error: Can't change directory to /home/webalizer/When I put the original dir back in the path it writes to /var/www not /var/www/output like it should. I even tried a local /var/wwww/output dir. Then I tried a link to /home/webalizer/output (a dir I created) and same results.(with orginal .cfg in place)I go to my www page remote or on the local network I get page not found errors.In summary.1. Why wont the /etc/webalizer.cf file allow me to change the location of the files?2. How do I display the www page to view the data?3. How can I secure the www page so only I can view the data.
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Feb 11, 2011
Sometimes when I try to display the mounted device in linux it displays devices which are not currently mounted. I want to correct this this using script.
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Feb 24, 2011
I have installed ubuntu many times before and never encountered this problem. The installer shows partition sizes which do not match my current sizes at all. This occurs during LiveCD too, I have taken a screenshot of the problem. GParted seems to be showing incorrect partitions while the one the right is correct.
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Mar 13, 2011
I've seen some desktop screengrabs which have included a transparent graphic (usually in the upper right corner of the screen) that displays current system information such as the hostname, kernel revision, CPU utilization, etc., that is constantly updated.Is that something that is available from Debian? I would like to install it to check it out, if it's available.
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Feb 9, 2010
While running some live tests last week I saw an odd situation where netstat appeared to be displaying the wrong PID and process name for TCP connections. I'm trying to figure out if this is just a strange netstat bug or if it could indicate something odd is happening with our software.
We have a main program which establishes a number of connections, including connecting to a JMS server and listening/accepting a TCP connection. The main program also creates a child process which it uses to communicate with another server. On at least three occasions we saw a situation we saw netstat reporting all the expected TCP connections (correct ip/port for both source and destination), however the child process, instead of the main, was listed for the PID. The main process was still running but netstat no longer reported any TCP connections established by the main program. The main program continued to function correctly, the JMS communication continued to work and we believe the other TCP connection was functioning correctly despite the program supposedly not having any TCP connections.
I'm wondering if this could simply be a bug and/or obscure functionality of netstat that I don't understand which would cause netstat to report the child process as 'owning' the parents TCP connections. I don't know how this would happen or why the parent would continue functioning despite the problem otherwise.
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Jul 17, 2011
user@ubuntu:~/Documents/C$ man host_ent No manual entry for host_ent How to install the manpage for host_ent or in_addr under ubuntu?
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Mar 2, 2010
On my Acer laptop wit ATI Xpress 1100 I have a native resolution of 1280 x 800, and Linux Mint 8 (of the Ubuntu family) offers that resolution without a problem. However, a few days ago I connected my laptop to my TV, and since then the correct resolution setting has been LOST. It doesn't appear anymore in the Display settings and so I had to choose a lesser resolution - I am now looking at a less sharp screen! How can I delete it? I hope that I don't need to reinstall...
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Jul 6, 2010
I've got the F13 LiveCD that I was able to boot and use using the "nomodeset" boot option. From the desktop I'm trying to perform an Install to Hard Drive. I've read the Install from LiveCD post regarding the creation of a /boot partition and a / root partition. I've tried creating them without the LVM group and with. But every time I appempt to install I get...
An error occurred mounting device proc as /proc: mount failed: (9, None). This is a fatal error and the install cannot continue.
Hardware is a Sager 8887 (P4, 3.06HT, 60GB HDD, Radeon 9000 graphics adapter)
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Aug 6, 2010
so i cannot install anything because update-info-dir file is missing from /var/lib/dpkg/info/ .. I've searched for the last day and a half for a way to fix this, but nothing. can't even update dpkg because of this. so how do I bypass or fix this so I can install stuff (this is a fresh install of ubuntu 10.04 lts Lucid Lynx).
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May 5, 2010
today i install centos x86_64 in my server, but /proc/cpuinfo display 2000Mhz . My processor model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz, before the server had centos i386 and display 2800Mhz.
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Apr 8, 2010
I'm using ubuntu 10.04 beta 1. when I try to update & upgrade I get the following error:
Code:
Setting up install-info (4.13a.dfsg.1-5ubuntu1) .../etc/environment: line 4: LC-ALL=en_US.UTF-8: command not found dpkg: error processing install-info (--configure): subprocess installed post-installation script returned error exit status 127 Errors were encountered while processing: install-info
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Dec 18, 2010
I am trying to use eciadsl in ubuntu 10.10 in order to connect my Prolink H9601 USB ADSL modem(Conexant based) to the internet.eciadsl worked to some extent in ubuntu 9.10 but in ubuntu 10.10 it returns [EciAdsl 1/5] Setting up USB support...
I presume this is because ubuntu 10.10 does not mount USB device filesytem (usbfs) in /proc/bus/usb folder and i can't manually create this folder therefore making it impossible to mount usbfs manually into this folder.
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Oct 28, 2010
I want to know how much time the computer is performing IO read/write during a time interval, so that i can compute the percentage of time spending on IO. I look at /proc/diskstats, and notice that there are these fields:
Field 1 -- # of reads issued
Field 2 -- # of reads merged, field 6 -- # of writes merged
Field 3 -- # of sectors read
Field 4 -- # of milliseconds spent reading
[Code].....
How can this happen? I thought the maximum value of the read and write time should not exceed the total time. Am I doing something wrong? Are there any other methods to get the disk IO time?
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Jul 30, 2010
i want to change permissions for /proc/sys/net/ipv4/ip_forward and permission denied.when i want to delete it , operation not permitted.i know it is dynamically created file . but i want to chenge its permittion to read-only or delete it
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Jan 11, 2011
How do I change permissions to open /proc/1 thru all/fd at once? In my case, that would be 1 thru 3357
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Feb 25, 2011
I have a rather ancient build environment where I switch into using chroot. The script looks like this:
Code:
echo 0 > /proc/sys/vm/vdso_enabled
echo 4096 > /proc/sys/vm/mmap_min_addr
chroot `pwd` /usr/bin/env -i
HOME=/root TERM="$TERM" PS1='[CR]u:w$ '
[Code]....
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Mar 9, 2010
I recently installed a newer kernel to get the open source driver for my ATI card, but am now getting the following error between booting and logging in: Warning: unable to find suitable fs in /proc/mounts. Is it mounted? After doing some research I can see it has something to do with apparmor. My questions are:
1. Can I somehow get rid of this error message? Or rather, is there a solution for this problem?
2. If not, as seems to be the case, is my system safe and secure? Will I face any issues by ignoring this error?
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Jun 10, 2010
the difference between /proc and /sys? Also, When enabling public-key authentication using SSH, what file on the remote machine must be modified and how?
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Mar 1, 2010
My filesystem is almost full and the problem is in the proc folder.What does that folder contain and can I delete something from it?
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Aug 10, 2010
I've been using Digikam and it's a huge blow to my system memory. Even after quitting I still feel my computer to be slightly slower. I tried running the commands from [URL] but I get this instead
bash: /proc/sys/vm/drop_caches: Permission denied
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