CentOS 5 Hardware :: PAE Not Recognizing 4 GB RAM?
Apr 20, 2009
I have CentOS 5.2, 32 bit, and a Pentium AE 4 processor. The system came with 2 GB RAM. I added 2 additional GBs of RAM. I realized after booting and seeing only 3.6 GB that I would have to install the kernel-PAE. After doing this, I edited the grub.conf file to make the PAE kernel the default. I verified that the machine is rebooting to the new kernel:uname -a Linux mydomain.org 2.6.18-128.1.6.el5PAE #1 SMP Wed Apr 1 10:02:22 EDT 2009 i686 i686 i386 GNU/Linux
So, what else can be wrong that I can't see the entire 4 GB?
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Dec 8, 2010
I have a server for virtualization (Xen) and when I do a free -m it does not show all the memory (which should be 64GB), it shows 32GB (a considerable difference, isnt it?).
My hardware is a Dell R410 server:
Dual Xeon 5530
64GB DDR3
4x SAS 500GB in RAID 10
I tried to compile Xen 4.0.1 but I can't solve a compile error that it gives me (if you want to take a look: [URL]) that is the end of the compilation including the error. But, I installed Xen from yum directly after reformating the HD and it works fine now.
My kernel version: 2.6.18-194.26.1.el5xen x86_64
CentOS 5.5 64 bit
[root@server1 xen-4.0.1]# cat /proc/meminfo
MemTotal: 33554432 kB
[code]....
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Jan 7, 2010
I have 6gb Ram. Bios is recognizing all of it. Ubuntu 9.10 i368 is only recognizing 2.5 of it. I am new to linux and have no idea what the problem might be. I have run hardinfo and it only sees 2 gb as well.
My specs:
NVIDIA 680i
intel core 2 quad extreme
6 gb corsair 800mhs (2x1 and 2x2)
Geforce 8800gts 320mb sli'ed with a 9800 with 1gb
Running Ubuntu 9.10 i368
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Oct 31, 2010
i just downloaded Ubuntu 10.10 onto a USB key and am attempting to instsll it next to Windows XP. The Ubuntu install wizard has giot to the point where i have already chosen my language and asked it to install upgrades as well, when i click "Foward" it only displays two options:
1) Erase and use entire disk
2) Specify partition manually
It is supossed to give the option to "Install along side other operating systems". This option is not being shown -si what do i do?
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Mar 11, 2011
I am trying to install a fresh install of Ubuntu 10.10, but I am finding it is not recognising my only HDD in the machine. It is working because I am running Windows 7 x64 on it.
Here are my machine specs:
CPU: AMD Athlon 64 X2 5600+
Motherboard: XFX MI-A78U-8309 GeForce 8300
Graphics Card: NVIDIA GeForce 8300 + 8400
HDD: WDC WD5001AALS-00L3B2 ATA (~415GB)
The installation knows when my IDE drive is plugged in, but I want to install the boot sector in the WDC drive.
WUBI also fails to install on this current drive, though can setup the boot sector OK.
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Sep 9, 2010
I have a custom 2.6.30.9 kernel that is not recognizing TEAC dv-w28ec. The install kernel from the Slackware 13 install disk finds it. I am not sure what kernel parameter I am missing or is at fault. The slackware kernel is listing it as a scsi drive. I have attached my .config file. Any ideas why I can't see the drive? dmesg and cat /proc/scsi/scsi show nothing about the DVD drive.
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Apr 8, 2011
I have installed windows after installing debian. Whenever, I start the system, I dont get debian instead I get only windows.
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Apr 5, 2009
I'm running fedora 8 and i have a TEW-424ub. I recently ditched windows, and the only disk i could get was a Fedora 8 dvd. I used ndiswrapper to get my driver installed, then I used the iwconfig commands to hook myself up to my wireless. However, every time i do the command
Code:
My comp freezes up. I then decided to use the GUI to set it up, as it might be less aggravating. It found my network, i input the key, double-check, and it atttempts to connect, then asks me once again.'
Also, if I go to Network Configuration, and activate my ndiswrapper device, it gives me the error & my comp freezes up "Set Encode" (8B2A) SET failed on device wlan0:0 ; Invalid argument.
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Aug 13, 2011
Amarok 2.4.3 in fedora kde spin with kde update to 4.6.5 was loading my 120gb ipod classic as a generic usb drive instead of an ipod. This made transferring songs impossible.
To fix it: yum downgrade amarok*
Which downgrades amarok and it's dependencies, and then use --exclude=amarok* option with subsequent yum commands until problem is fixed upstream.
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Apr 17, 2011
It is not recognising USB photographs, whereas 10.1 (don't ask) did. /proc/partitions shows no change. No usb modules are loaded, and loading usb_storage, usbhid and hid (which works on some other Linuces) doesn't help.
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Jan 13, 2010
I installed the "recommended" graphic driver that pops up at top right and once I restarted the laptop, my graphics card no longer works with Ubuntu.
using Nvidia GeForce GT240M
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Mar 14, 2010
I have a Sansa Fuze MP3 player but when I connect it to my computer Ubuntu doesn't recognize that there is anything connected. When I connect it to my computer nothing happens, like nothing is even plugged in. How do I install it or get it to recognize the MP3 player?
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Mar 26, 2010
I am trying to make my Lexmark P4350 printer work so I downloaded Virtual Box on my laptop and installed Windows XP on it. This printer worked great with XP on another computer. I have done all the updates to XP and it seems to be working just fine but when I go to the printer set up, it is not showing up. I have tried it where I plug in the printer while Virtual Box is running, but it didn't seem to make any difference. When I plug the printer into the usb port, Ubunto starts searching for the drivers but the Virtual Box doesn't.
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Jun 5, 2010
My ubuntu server has 4 2TB disks attached im using udev on boot to mount the disks suddenly one partition of such a hd cant be mounted it seems that udev isnt recognizing the filesystem anymore, all other partitions work as expected using blkid i get a list excluding the failed partition the mount command either doesnt recognize the filesystem but if i mount using -t ext3 i can use it without problems fsck.ext3 doesnt find any errors.
So my question: what i could try to get it up and running again? not sure if the problems began since a power outage.
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Jun 21, 2010
I am trying the 10.4 version from last months APC DVD (I have used 8.4 (liked it) and 9.4 (failed to install) and I am trying to install it on my spare rig to see how it all goes.
System Specs:
Intel E6850 @Stock Speeds (normally OC'd to 3.2GHz)
G.Skill 2GIG DDR2 800Mhz RAM
WD500GIG SATAII Green HDD
Gigabyte P35 Motherboard (latest Bios)
Nvidia 9600GT Palit Sonic GPU
I boot disc from post, goes through the 1st 3 steps, select time zone etc and it wont find my HDD but it will find my USB mem stick when its plugged in.
I will keep fiddling in the bios to make sure that I have everything correct (it works fine when I installed w7 about 2 hours earlier)
I am installing it without dramas on a old P4 1.6GHz s478, 512mb Ram, 40GIG IDE and a old Geforce MX460 GPU and its at 53% so I know that the disc / version is good.
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May 2, 2011
Since I upgraded to Ubuntu Natty, dvdFab has not recognized any DVD I insert into the drive. The program loads through Wine with no problems, and the disk is mounted by Ubuntu, but no dvd drives are recognized by dvdFab. I guess it will be a conflicting setting or something, but I would like to know if there is a solution, because my DVD player is knackered and only accepts DVD5's -not double layers any longer.
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Aug 18, 2011
I'm trying burn an ISO to a DVD+R. but I cannot seem to get it recognized. The drive will read a CD-R that I have, but not the DVD. I have found quite a few threads about this, but none had any working solutions. Does anyone know what I could do? Could it be because the bottom of the disc is blue rather than silver?
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Jan 17, 2011
I currently am dual booting linux mint and windows 7. My only hard drive is partitioned in two, one for linux mint and one for windows 7. I installed linux mint with a usb bootable.
I want to replace my linux mint with ubuntu, however, my the usb bootable ubuntu isn't being recognized. I restart the laptop with the usb inside, but it just goes to the grub screen that lets me choose between linux mint or windows 7. The boot order has USB in first position as well. I used the usb creator as suggested on the ubuntu downloads page to create a usb bootable too. I've done this installation before with both ubuntu and mint... but now it's not working.
I tried "sudo update-grub" within linux mint with the usb plugged in, and restarting afterwards, but I still can't see the usb in the grub screen.
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Jul 22, 2009
burning dvds or cds was always a bit tricky on my computer. I don't know why, but when i tried to burn a dvd+/-r it always ended in failure. but when i burned a dvd+/-rw before i was able to burn normal dvds and cds. i never knew why i needed this trick but it worked fine, so i had no problems with that.But now my burner doesn't recognize dvd-rws anymore and that's a big problem!! it recognizes all blank dvd-r i have, but when i try to burn to them they fail. so i need to recognize my dvd-rws!!
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Jan 15, 2011
I am trying to get my DVD to view on my Dell D610 laptop running Fedora 14 LXDE. Error messages:
Xine engine log console:
lirc: cannot initialise - disabling remote control
lirc: maybe lircd isn't running or you can't connect to the socket?
[code]....
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Jan 21, 2011
I am trying to run Drupal on a RHEL 5.5 box and am told that my PHP version is too old and must be at least 5.2I see that my version is 5.1. I try a yum install php but am find that I have the latest version that RHN provides.I download, configure, and install php 5.3, which appears to install correctly into /usr/local/bin. Drupal still complains about the PHP version.I note that although my $PATH has /usr/local/bin before /usr/bin, 'php -v' gives me 5.1 and 'whereis php' gives me /usr/bin.I try to work around this by copying /usr/local/bin/php to /usr/bin/php. Now 'php -v' gives me 5.3 but Drupal still says that my version is too old.I try to restart httpd but it does not help. Neither does 'yum remove php'.
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Feb 22, 2015
The kindle device is seen as per lsusb:
Code: Select allmax@max-debian:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
[Code] ....
But this is my output of calibre debug device detection
calibre 2.20 isfrozen: True is64bit: True
Linux-3.2.0-4-amd64-x86_64-with-debian-7.8 Linux ('64bit', 'ELF')
('Linux', '3.2.0-4-amd64', '#1 SMP Debian 3.2.65-1+deb7u1')
Python 2.7.9
Linux: ('debian', '7.8', '')
[Code] ....
what does exactly means that device error?
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Mar 23, 2009
I downloaded the Full DVD install and burned it using nero. When I reboot to install it loads everything. Though when I try to push a keystroke it doesn't recognize them apparantly and restarts the sytem after a few seconds. Im using an usb keyboard.
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Mar 19, 2010
I am Quad booting my lappy with Fedora 12, Opensuse Karmic and Vista. Previously Grub2 is not recognising Fedora partition. Now i have managed to add Fedora entry to Grub2. But i got another problem, after selecting Fedora from grub menu, i cant get login window. I can see fedora sign at the bottom right corner of Laptop LCD.
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Apr 14, 2010
about 2 months ago, my DVD burner stopped working... It would just burn stuff, say successful, then be unusable. I can see information on the disk, but it doesn't look like it worked. (Weird look to the data). if I pop in a disk, it just loops into this noisy blinking state, and I can hear the eye flipping about... never really doing anything.
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Sep 6, 2010
64 bit HP laptop, can recognize and play/read DVDs and audio CDs as well as burn DVD and CD. Yet it wont recognize a CD burned on a Mac.
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Dec 27, 2009
I have just update from 11.1 to 11.2 and after reboot system hangs when arrives to the screen where all users logins are showed. I run the installation again in repair mode. Everything correct. Started system again in Level 3, login as one of the users and run startx. It starts the desktop but no keyboard or mouse is working. Started system again in level 3, login as root, started gdm and same results. It arrives to the login screen for the different users and keyboard and mouse does not work. System seems to be running as clock in the right down works.
Started system again in Level 3, login as root, run SaX2 and same results: no keyboard no mouse. I am running gnome desktop with last image downloaded openSUSE-11.2-DVD-i586.iso. it seems to be something related to bug in OpenSuse 11.2 Milestone 7: (Bugs:Most Annoying Bugs 11.2 dev - openSUSE) HAL may crash, leaving XOrg without keyboard and mouse (Bug #537452), work-around: update with 'hal' package from Base:System
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Jan 5, 2010
I've installed OpenSUSE 11.2 on my computer. Well, 11.2 is great and all, but issuing ifconfig yields only loopback device. Now, I have OpenSUSE 11.0 installed on my notebook; the system works fine, although I had that very problem initially and had to recompile the kernel in order to make it recognize my notebook's ethernet card. My question is: If I upgrade my notebook's 11.0 up to 11.2, am I sure to have my files intact? Is 11.2 sure to "see" the ethernet card?
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Dec 14, 2009
I'm having some issues with openSUSE 11.2 recognizing my Broadcom adapter. Following the instructions in the two stickied topics, I can find the adapter both under YaST's Hardware Summary and using the console command /sbin/lspci. I cannot, however, find it with /sbin/lspci -n, and the boot log (viewed with dmesg | less) makes no mention of it either.
Do I need to turn it on or something? This is a dual boot machine, and it works fine under Windows, so I don't think there's a hardware failure at play here.
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Jan 5, 2010
I managed to get the older, weaker box on the net and running simply by plugging in the Belkin N-wireless adapter, discovering the Network Manager icon (this really should also be accessible from the system pull-down menu), left clicking to see all the local networks, selecting mine, and inputting the security key, and rebooting. Voila!)However, on the newer, more powerful box, the network Manager gives me nothing but "Wired connection" at every boot (there is no such connection), I created a wireless connection under the settings (accessed through create VPN settings), but the Manager sees no wireless networks. Reboot solves nothing Network Manager is not seeing anything, I suspect that the card although powered by the USB, is not being seen by the system.
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