General :: Space Is Not Recognized
Jan 5, 2010
I have RHEL5 on 1 drive and I cloned the drive to a larger 2nd drive on the same machine using "dd" via clonezilla.The image copied and the partition size remained the same. I wanted to take advantage of the additional space on disk 2 so, using Gparted, I resized the main partition to make it larger.After that action, I performed df on the partition and it returned the original size. But when I brought up a tool named "system-config-lvm", it reported back the larger size.Who's telling the truth? More importantly, why the discrepancy?
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Jan 4, 2010
Logical Memory Space of 4GB is divided in to 3GB User Space and 1GB Kernel Space. Always. Correct?
1. How can we change it? (just changing value of PAGE_OFFSET is okay?)
2. If system have only 256MB of memory (embedded system) and suppose Kernel Modules eat away all the memory during boot. User space will be left will no memory. Is this case possible?
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Apr 28, 2010
In my system, I had installed windows XP first and had deleted one of the partitions (made free space.I am not a techy. I dont know the exact term). In that space, I have installed PC Linux OS (Linux). Now, I want to use that free space to Install Ubuntu by removing the PC Linux OS. When I boot with the live CD of Ubuntu 9.1 to install, in one of the steps, it says the system does not have any OS. It neither recognises windows nor the other linux. Kindly help me. What should I do now. Could I manage to install Ubuntu without completely formatting the system all again.
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Sep 22, 2009
I am writing device driver in which i have to call callback function from kernel space, which are saving my data. But the callback functions are in userspace. While accessing them i am getting segmentation fault.
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Oct 14, 2009
I have a list of files in a directory which starts with - or have space.
I need to copy them back without the space or -?
linux1[sim]% ls linux1[sim]% cp ./-* ./*
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Jun 21, 2010
In a 32-bit system, max memory addressable is 4GB. Now Linux kernel does memory mapping division of 1GB for kernel address space and 3GB for user address space. That means 4GB of virtual address space is divided between kernel (1GB) and user (3GB).
Q1. All virtual mapping utilizes the available physical RAM without any division? I mean to say that if RAM is 512MB then a page in kernel space can lie any where RAM (leave aside old PCI dma accesses)? (How this fits to fact that kernel memory is non-pageble)
Q2. If a process is created in user space, it has visibility 4GB address space or 3GB address space?
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Jul 5, 2011
My system is dual boot with win7 and ubuntu. I have free space of around 10 gb. I want to add this free space to my ubuntu drive. How can i do that?
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Jul 25, 2010
I have 160gb laptop. i installed vista in c primary partition which is 25gb and installed ubuntu in d primary partition which is 20gb. A remainig for my data. Now i tried to install CENT OS by formatting ubuntu. I inserted CENT OS DVD and restarted and i selected to delete my /dev/sda2 which is showing 20480mb and it shown me free space. but i tried to add partion /boot of 100mb it got added. but, when i am trying to add / of 3000mb in the remaining 20380mb free space it showing an error message that no free space is available.
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Jul 26, 2010
I just mounted my drobo(NTFS) on my slackbox using NTFS-3g, and I can read all my files and see them all, but any file name with a space in it turns into EX: (File Name)... instead of (File Name)I am worried that my Sync software will not recognize the name.Does anyone have any tips Except to not put Spaces in the names of files?
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Jan 20, 2011
cp: writing `/tmp/tmpX2KZDc/system.image': No space left on device However, when I right-click on properties, I see it has 51 items, totalling only 130.5 KB!this is a dual boot system with Win XP and Ubuntu 10.10 (~58Gb partition)Quote:
anil@anil-HP-EliteBook-8440p:/tmp$ mount
/dev/sda5 on / type ext4 (rw,errors=remount-ro,commit=0)
proc on /proc type proc (rw,noexec,nosuid,nodev)
[code]...
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Sep 18, 2014
I have a backup HDD with a different distro for my laptop and i can boot into it via external usb or if swapped into the laptop. This HDD/install in question is debian testing and was working fine, the issue arose suddenly. I was first suspecting a failure of hardware somewhere on the motherboard, but the hdd i was using with an external usb adapter also works when installed into the machine. also, the HDD is recognized once i have booted using the external HDD and distro, but it is not recognized by the bios. so i dunno, my first guess is something became corrupt within the testing install, but i guess its also possible that there is some wrong with the HDD but thats not immediately apparent as all the data is still accessible.
Should also note that the HDD with testing on it is also recognized when connected via the external usb adapter, while booted from alternative distro/HDD.
Also. just tried this, but i can get the testing HDD/disto to boot if connected externally. it was going pretty quick, but there i did catch a line about a corrupt filesystem. any commands to run to see what might be going on?? log files to look at?
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Nov 28, 2010
measure kernel space time and user space time?
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Jun 2, 2010
I just installed Ubuntu 11.04. The drive was formatted when I installed so it's 100% Ubuntu. The only major problem I have encountered is that Ubuntu will not recognize my SD cards. I really need to access these cards, all my film footage is on there. I think the internal SD card reader (If such a thing exists) would have been deleted during the installation process. I am a greenthumb to Ubuntu and have never used it before so I am rather stuck...
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Mar 27, 2010
I was installing DYMOUM from [url]. "make" command is issuing this error:
Code:
Prior to this, ns-2.34 was working fine. Patches are applied very well.
I am in under fedora 9 and:
Code:
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Feb 24, 2011
root@localhost:~ $ df /dev/sdb1
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 1922858352 23247088 1801935664 2% /mnt/external/sdb1
[code]....
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Jan 3, 2011
I have installed a second NIC to my Desktop on LINUX (Oracle Enterprise Linux 5). However, it does not get recognized while I'm performing the install and only eth0 card shows up.
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May 11, 2010
I have 40gb of hd and I want Xp and fedora on it. I installed Xp first and now I want to install Fedora 12, every time I chose the space to iinstalll it, it says that there is no enough space to install it, although the xp just took less than 2gb of the disk. How can I resize it so that there is enough space?
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Mar 6, 2010
I have linux and windowsxp on one machine. I have only 3gigs free on the windowxp machine and 20gigs free on the linux machine. I want to transfer space from the linux box to the windows machine.Is this possible and what steps would I need to follow to do this?
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Mar 20, 2010
my home partition is an extended one, and when i want to create an unallocated space the space will stay in that extended partition. but there is also an 7 gb unallocated space which i want to merge with the other unallocated space. I also cannot extend that partition over that 7 gb. how can i overcome that problem?
i m also uploading a screenshot of gparted.[URL]..
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Dec 13, 2010
I am developing a I2C CDROM client driver. The CDROM firmware supports TOC information read through a I2C command. It sends the TOC information in burst ( Interrupts a GPIO pin when it is ready ) and my CPU does a I2C read to read the TOC. When the CDROM firmware finishes sending the last data burst , it informs my CPU that it is done with the TOC, by a flag in the last data burst. I would like to know, which is the most efficinet way I can send these TOC information to userspace?
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Jul 7, 2009
I wanna write a file in kernel space but from my searching I can to know that instead of writeing file in kernel space ,I can write data to user space by copy_to_user space.
But link is missing ...I dont know how will my user space will access kernel space means my function in kernel space which will do copy_to_user /....How my user space function will call my kernel level function ..
Can any one of you provide me with some example file which are doing this .I know every char driver is using it ...but i could not trace back how user level function is accessing it ...i m confused between user space and kernel space.
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Jan 31, 2010
Today I was installing a lot of software since I'm just setting up my Slackware system again after a fresh install, and I realized that my root partition has very little space left.
Here is the output of df -h:
Code:
As you can see, I have a 20G (19G here for some reason) root partition, 8G /var, and 86G of /home. I thought this would be plenty since many recent recommendations for / are 10-15G. Now, though, 17G are used up for some reason! How is this possible? I thought a full slackware install only had about 4G of software! I don't have any music or movies or any crazy huge files that I know of, and those would be in my /home directory anyway. Is there any way I can see which files are taking up all this space?
If it's necessary to allocate more space to my / partition, is it still possible to boot up a GParted live Cd, shrink /home a bit, move some partitions to the right, and expand my root partition? I would REALLY prefer I don't have to reinstall since I just spent a ton of time setting up my system again, but if worst comes to worst ... :'-(
In case you're curious, here's my /etc/fstab:
Code:
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Jul 14, 2009
How to use execv from kernel space to call a user space program writtenfor socket prog.
I tried to write code for socket in kernel but its not working.
Socket code in kernel is also needed.
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Jun 7, 2010
I was trying to install Fedora 13, on to my laptop. I have 30 GB of unallocated space in extended partition. When trying to install Fedora 13, I got stuck, as the installer says that there is no free space for installation.can convert the unallocated space into free space.
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May 25, 2010
i used gddrescure to clone an 80gb harddrive and this is the result ROFL.i guess you can only do this making sure the target drive is the same size, you see i didnt know lol so..i now have THIS problem.can anyone tell me how to turn my unallocated space into a usable 'free' space? i could play with gparted right now but i dont wanna do anything wrong, so if theres anyone who can tell me how to do this.
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Aug 25, 2009
OS: RHEL AS 5 64-bit
HDD:300 GB Hardware mirror (HP blade bl460c)
While installing OS, in partition window after OS file system structure I've left 277 GB. But after installation it shows Size - 255GB and available disk space is 242 GB.
Isn't it weired? How can I use the total amount of space in Linux? I need the whole 277GB exactly. What should be my workaround?
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Dec 30, 2010
I have red hat linux server and it has mysql installed whenever i write on terminal command mysql -u root it shows error "ERROR 2002 (HY000): can't connect to local MYSQL server through '/var/lib/mysql/mysql.sock (111) "
And another problem is that it is showing 0 byte free space istaed of freeing the space. it may seems that both problems are dependent on each other.
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May 9, 2010
My Friend's Pen Drive, which was working well very well just few days ago, is not being recognized after getting used by a virus affected machine. Its not on fdisk -l or lsusb. However in dmesg I can see the following:
[977.300013] usb 5-2: new full speed USB device using uhci_hcd and address 2
[977.420014] usb 5-2: device descriptor read/64, error -71
[977.644023] usb 5-2: device descriptor read/64, error -71
[977.860013] usb 5-2: new full speed USB device using uhci_hcd and address 3
[977.980013] usb 5-2: device descriptor read/64, error -71
[978.204013] usb 5-2: device descriptor read/64, error -71
[978.420013] usb 5-2: new full speed USB device using uhci_hcd and address 4
[978.828015] usb 5-2: device not accepting address 4, error -71
[978.940015] usb 5-2: new full speed USB device using uhci_hcd and address 5
[979.348013] usb 5-2: device not accepting address 5, error -71
[979.348292] hub 5-0:1.0: unable to enumerate USB device on port 2
[1017.848015] usb 5-2: new full speed USB device using uhci_hcd and address 6
[ 1017.968012] usb 5-2: device descriptor read/64, error -71
[ 1018.192017] usb 5-2: device descriptor read/64, error -71
[ 1018.408014] usb 5-2: new full speed USB device using uhci_hcd and address 7
[ 1018.528012] usb 5-2: device descriptor read/64, error -71
[ 1018.752023] usb 5-2: device descriptor read/64, error -71
[ 1018.968012] usb 5-2: new full speed USB device using uhci_hcd and address 8
[ 1019.376019] usb 5-2: device not accepting address 8, error -71
[ 1019.488011] usb 5-2: new full speed USB device using uhci_hcd and address 9
[ 1019.896016] usb 5-2: device not accepting address 9, error -71
[ 1019.896308] hub 5-0:1.0: unable to enumerate USB device on port 2
[ 1049.984016] usb 5-1: new full speed USB device using uhci_hcd and address 10
[ 1050.104014] usb 5-1: device descriptor read/64, error -71
[ 1050.328014] usb 5-1: device descriptor read/64, error -71
[ 1050.544014] usb 5-1: new full speed USB device using uhci_hcd and address 11
[ 1050.664018] usb 5-1: device descriptor read/64, error -71
[ 1050.888019] usb 5-1: device descriptor read/64, error -71
[ 1051.104025] usb 5-1: new full speed USB device using uhci_hcd and address 12
[ 1051.512014] usb 5-1: device not accepting address 12, error -71
[ 1051.624101] usb 5-1: new full speed USB device using uhci_hcd and address 13
[ 1052.032014] usb 5-1: device not accepting address 13, error -71
[ 1052.032991] hub 5-0:1.0: unable to enumerate USB device on port 1
What these Errors actually mean and how Can I get this pen drive Back to work?
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Apr 9, 2010
I am very new to Linux. I installed ubuntu 9.10 on my Acer 3050 aspire. It works very well except for a few issues. I can not use my 5 in 1 card reader, nothing shows up in "computer" except "cd/dvd" and "file system". My lg phone does not show up when using my data cable as mass storage, and the touch pad is too sensitive, (i have adjusted the settings listed under mouse/touchpad but to no avail. The biggest problems is the card reader and phone. Can this be fixed?
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Mar 17, 2010
How do I get basic bluetooth stuff working? Put in USB dongle and it was automatically recognised:
Quote:
ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
The hcitool scan command works to give the name of the phone and its address thing:
Quote:
hcitool scan
But although when I operate the mobile, cell phone to "Browse files" in the bluetooth menu the computer puts up a bubble saying 'connected' the phone say: 'Connecting fail'.
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