Ubuntu :: File Copying Freezes - Flash Memory Card
Jul 3, 2010
Using 10.04 Netbook version. I am finding on my Asus EEE 901 that sometimes file copy just seems to freeze - seems to happen usually when copying from the built-in SSD memory to the plug-in SDHC memory card. I have tried reformatting the card and using a different card. It is not just this computer since I found the same thing on my last Asus which was the 900 model.
I am told that there are issues with Nautilus. Is there anything which can be done to improve this or is there anything else which I can install besides Nautilus? I am assuming that there is some issue related to Ubuntu's handling of SDHC memory cards.
It is becoming annoying because it seems to work sometimes and then not. When it happens only option seems to be to turn the netbook off and on again. Even if the file copy is cancelled the card seems to be unaccesible until rebooted.
Also after a certain point it seems that when I try and copy new files to the card, they appear to copy ok but obviously are corrupt in some way - when you try to play videos for instance they are faulty.
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Jan 20, 2010
Looking for a card reader/writter that will support most current card types. I am running Fedora 12 x86_64. Are there any gotchas, that I need to watch for? Also, Internal vs. external, any benifits of one over the other, or is it just personal preference?
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Mar 9, 2011
how to calculate (if possible) the end address of an image file in a flash memory. I'm trying to create a checksum and checkheader function and the info that I got is the file's offset, how many sector it consumes and its size. I kinda need the end address, sad thing is, I don't know how to calculate it.test.img's start address is 0, the size is 0x20000 and consumes 3 sectors.
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Nov 1, 2010
I can't copy MP3 files to any USB memory stick with nautilus anymore. The MP3 files 'stutter' or jumps to the next song in any music player or the copied folders are just empty. The copies are more 'reliable' when I copy album after album instead of a bulk copy of lets say 10 albums. I tested several sticks and even formatted them.
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Aug 16, 2010
RAM for older machines like I use is fairly cheap these days. But flash memory is just as cheap or cheaper. So I'd like to ask about the feasibility of expanding my system's memory using flash memory. And about whether creating a partition for swap on the flash memory, or whether a swap file on the flash device, is the better way to go.
By flash memory I have in mind mainly USB sticks or what are sometimes called "pen drives." But I do also have CF and SD cards that, with the proper cheap adapter (one of which I already own for adapting CF) could be used to create extra swap space. So, what is the current consensus on the feasibility/advisability of using flash memory for swap? I've read about the limited write cycles of flash being an argument against using it for swap. But recent reading indicates to me that the limited write cycles problem applies mostly to older, smaller-capacity flash memory. Some will come out and say that, for larger-capacity flash memory, the life of the device is likely to exceed the amount of time your current computer will be useful (I think I've seen estimates in the range of 3-4 years life--minimum--for newer, higher-capacity flash memory).
A more persuasive argument I've heard against using flash memory for swap is that access times for these devices can be much slower than SATA, and maybe even IDE, hard drives. That would certainly dictate against using flash memory for swap.
So, how about some input on this issue? Anyone using flash memory for swap? If so, what kind (e.g., usb stick or SD/CF)? Are you using a swap file or a swap partition? How's system performance? Likewise, has anyone had flash-memory-used-as-swap die on them? The consequences would undoubtedly be dire. Also, has anyone measured flash memory access times to confirm or refute claims about slow access times? Are some types of flash memory better/worse than others in terms of access times?
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May 20, 2010
Well, when I copy large amount of data the other applications than Nautilus freezes until the copy is done...
So, what can I do? Because when backuping some data this is really annoying =/
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Dec 22, 2009
I am in the process of trying to move my files from a windows 2003 install over to fedora 12 using the Fedora 12 x86_64 Live image.
After some initial problems with burning the ISO image (had to enable disk-at-once to get rid of I/O buffer errors). And a GPF in the xor_sse2 module while building my software raid 5 arrays (forced to reboot, unable to stop or restart the array) I finally managed to create a single LVM volume group ontop of it all.
Initially I ran some tests on the raid volume and wrote a large 100GB file filled with zeroes all over it to be sure that it was functioning normally. After that I proceeded to copy files over from the NTFS volume to the LVM volume. which resulted in lots of errors on my terminal and complete loss of the entire filesystem. Even a simple ls -l / resulted in "Bus Error" although the system still kept running for a few seconds, until it finally froze and spontaneously rebooted. Since then I ran memtest to be sure my memory is fine, and tried alternative ways of mounting the volumes, and copy methods. Each attempt resulted in either a complete freeze or instant reboot. After 6 reboots, I managed to copy 20GB out of 490GB. Obviously this will take forever this way.
/var/log/messages is unhelpful. There are a bunch of cryptic messages regarding ATA bus errors (mostly CRC errors it seems) and soft resets when the LVM volume get mounted, but everything functions fine until I touch the NTFS volume.
Here are some of them:
Code:
Dec 22 02:32:15 localhost kernel: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
Dec 22 02:32:15 localhost kernel: ata6.00: BMDMA stat 0x4
Dec 22 02:32:15 localhost kernel: ata6.00: cmd ca/00:80:02:a5:fb/00:00:00:00:00/e7 tag 0 dma 65536 out
[Code].....
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Nov 6, 2010
If you use Ubuntu - when you copy files to USB Flash Drive, is your CPU 100% loaded? On Arch it is.
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Aug 13, 2011
I have successfully installed 11.04 onto my existing Windows laptop as files contained in the windows system and have dual booting.I would like to copy this installation to a 5gig fast usb stick so that I can retain all my settings etc
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Mar 7, 2011
Is there something similar to the windows TSR thing in Linux? (terminate & stay resident)
The reason I ask is that after replacing my HD and reinstalling Maverick I've noticed the PC freezing up afew times. It seems that memory gets used up and then doesnt free up after the application is closed. The last couple of times this happened today I was doing
1. Copying a number of photos from my flash drive to the HD
2. Burnt a disk with Brasero.
After doing this it froze and I had to crash the system and reboot. I don't remeber this happening before.
Apart from this memory problem it's working OK I think. My system specs are below
Code:
mbdb@M2000:~$ sudo lshw
m2000
description: Notebook
product: Presario M2000 (EK823EA#ABU)
vendor: Hewlett-Packard
[Code].....
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May 19, 2011
I have an HP dx5150 with Ubuntu 11.04. I recently added 2 new memory chips (total 4) with the same specifications as the originals. The memory is recognized by the BIOS and Memtest returns no errors. The computer boots normally and functions normally for an hour or so, and then freezes. When it freezes it does not accept any input and the screen gets displays a bunch of small green or purple lines. Here is the output from lshw:
Code:
description: Desktop Computer
product: HP dx5150 SFF (EW249UC#ABA)
vendor: Hewlett-Packard
serial: XXXXXXXXXX
[Code]....
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Oct 21, 2010
I want to move my "currently installed Debian and its all settings" to a USB flash drive. I am wondering what methods are available out there. I looked into Remastersys but it failed on my system so I am wondering if there is another method available?
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Feb 5, 2010
I am running 8.10 desktop on an MSI Wind desktop. Everything is on the single 500GB hard drive. I also have a 4GB CompactFlash card in the system that has a working version of 8.04 desktop on it. I would like remove 8.04 from the CF card and copy/clone the currently configured 8.10 onto it as a backup just in case I accidentally trash the 8.10 installation on the HDD some time. I'd also like to be able to update the CF backup easily periodically to keep it current with the setup running off the HDD.
The HDD is partitioned as follows.
Code:
ken@pinot:~$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb2 9843308 800448 8542840 9% /
tmpfs 1032220 0 1032220 0% /lib/init/rw
[Code].....
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Mar 4, 2010
I have an SD card that I formatted using my Ubuntu machine to contain one raw Linux partition and one FAT32 partition. Does anyone know of a way to be able to copy files to/from the SD card and my Windows PC? Right now, when I plug the SD card into my Windows PC, the FAT32 partition doesn't appear. When I try to copy files from my Windows PC to the raw Linux partition on the SD ard, I get "bad magic number" errors on the device that I use the SD card with. Is there some utility I can use on my Windows PC to be able to correctly read this SD card? It would be very convenient to have that for travel, etc when I don't have easy access to the Ubuntu machine.
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May 31, 2011
I finished installation and downloaded updates, went to the Software Center and downloaded Anki. However, when I try to download a language flash-card pack (or whatever it is) I get an error saying the "File is corrupt or not in the Anki database." It says this for any download
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Sep 1, 2011
I am trying to run a simple perl program that requires getting stock price data from yahoo for just 1 ticker symbol, and it was running fine till this morning, wherein it froze and displayed the message: Out of memory!
I cleared my cache by running the following:
Code:
$sync
$sudo echo 1 |sudo tee /proc/sys/vm/drop_caches
$sudo echo 2 |sudo tee /proc/sys/vm/drop_caches
$sudo echo 3 |sudo tee /proc/sys/vm/drop_caches
but it hasn't helped.
Even Firefox has been freezing, so I basically cannot do anything on my computer.
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Apr 17, 2011
Just got a new toshiba nb555d notebook and decided to try installing 10.10. It didn't work with my wireless card right away so I tried 11.04 and everything functions well running the "try ubuntu" from the live usb. When I go to install ubuntu beside my windows partition, the installation gets to the "Copying Files" part and then the netbook slows to a stall. I can move the cursor around but it moves very slowly, and I am unable to click anything. I have tried 3 times and it always seems to freeze at the same place, somewhere around 25%.
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Jun 3, 2010
When I try to copy PDF files from one folder to another folder, it give me this error: "Error while copying "2004-SNUG-Europe-paper_...log_DPI_with_SystemC.pdf". There was an error copying the file into /media/CCDCE66BDCE64F70/Backup Master/Heterogeneous_cosimulation/Documentation" "Error splicing file: Input/output error" What is the reason of this error and how can this be fixed?
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Jun 29, 2010
I have a 7.2 GB file (VMWare virtual machine file) that I am trying to copy from its original location to the another folder OR to external hard drive...each time I try to do this, I always get the following error after the copying process reach 'exactly' 1.4 GB
Error reading from file input/output error
And I have to either Cancel or Skip
I've tried to split the files to smaller pieces but the idea didn't work as I still get the same error whenever I try to compress/ split or do any operation with this file. how I can copy this file?
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Oct 3, 2010
I've just installed ubuntu 10.04 on a Lenovo Thinkpad Edge. Problem is that it generally doesn't detect the USB memories that I've been trying to use. On two occasions it did in fact detect the flash memory, but it couldn't open/read it for some reason (USB memories works on other computers), but all the other times the USB flash memory didn't even show up in Nautilus.
I am no techie so I'm not sure how to check what the problem is here. I've been googling it but either it refers to some specific stuff that doesn't cover my case or it simply is too technical for average users like me to understand.
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Aug 13, 2011
I have a build-in card-reader in my notebook. When I insert a sd-card the card is mounted but as soon as I start copying the files to the harddrive, the sd-card will unmount and than mount again. Every time I start copying I have the unmount followed by a new mount. I tried with different sd-cards and I have the same problem. Card reader works fine on windows. But now I don't have windows anymore on this notebook so I need to use the card-reader on opensuse.
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Jun 14, 2010
I am having problems with scp during a backup operationI added a ps -ef before and after the scp operation used during the backup.The backup is a script to backup a Zimbra ServerI am including the code segment that I am having problems
Code:
# DRCP Section. To scp newly created archives to a remote system
if [ "$DRCP" = "yes" ]
[code]...
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Jan 4, 2010
how to format flash drives in ubuntu. In windows there was a "format" on the right click menu but I did not find one in ubuntu. i am using ubuntu jaunty.
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Apr 1, 2010
i want to use sdcard as flash memory to port linux(uclinux) image , so that i can boot using my arm7(lpc2148) microcontrollerIn other words, can we use sda card to dump linux image and boot from microcontroller)
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Oct 14, 2010
I don't know what happened, but sometime within the last week I have started having a really annoying issue. Whenever I open a web page, that contains embedded Flash, in any browser (Firefox, Google Chrome, Chromium, or Opera), the entire browser, and all windows and tabs, freezes for about :15 seconds or so. After that time, everything unfreezes and works as normal, except for the video which often times doesn't even play after the freeze occurs. I don't believe I have made any major changes to my system, just the updates that show up in the notification area.
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Mar 1, 2011
Asuming I have two files, one large file and one small file, I want to write the smaller file to the large file without overwriting the remaining part of the larger file.
Both are binary files, and the large file can become very large, so I want to avoid copying the whole file, as that will take some time. Is there any standard Linux console utility to do this, or do I need to write it myself?
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Jan 6, 2010
I stupidly unplugget my USB-cable, which was connected to my Nokia music phone, just as if I were in Windows. What do I do? I've lost my music on the phone, or, it seems it may be there (the correct mass of data), but my phone now tells me there is no music... Can I recover this? And - what is the correct way to unplug a USB unit in Ubuntu? To make it work, and find the phone/drive - I just typed "sudo lsusb" in the terminal, and it found and opened the memory automatically... How should you unmount the USB, and maybe even how do I get my data back?
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Aug 26, 2010
am finding that kde device notifier is not seeing my memory card (sdcard) when plugged into the memory car slot on laptop?
Card see the card with fdisk -l
Code:
Disk /dev/mmcblk0: 8015 MB, 8015314944 bytes
121 heads, 42 sectors/track, 3080 cylinders
Units = cylinders of 5082 * 512 = 2601984 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code]...
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Mar 27, 2011
I know this is going to sound stupid, but I have a few 2gb CompactFlash memory cards that I bought to use with my FujiS7000 digital camera. Only problem is that that camera will only read/write to 1gb memory cards. I don't suppose there's any way to format these 2gb cards so that the camera sees them as 1gb cards?
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Apr 19, 2011
Where can I get the answer to my question. No recognition of my memory card in Ubuntu 10.04.
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