Ubuntu :: Ext 4 Corruption Using Natty 64 Bit Kubuntu?

Aug 4, 2011

I'm having a problem that I've not seen before, in that I ma constantly getting corrupted Ext 4 filesystems on my / and /home partitions. I am having to boot using a cd rom and run fsck -y on at least one of these partitions almost daily (mainly / partition)Looking at the system log, I'm seeing stuff like this:

04/08/11 04:28:37 PMValkyriekernel[ 28.090570] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
04/08/11 04:36:54 PMValkyriekernel[ 524.098006] ata1.01: exception Emask 0x0 SAct 0x0 SErr

[code]....

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Ubuntu :: Text Corruption When Scrolling - Natty 64-bit

Jul 8, 2011

Whenever I have an open OS-generated window (Software Center, Settings etc), the text will be corrupted if the window is scrolled. This can be restored by highlighting the text - and sometimes it will self-restore given time, but the corruption will reappear if the text is scrolled again.

The behaviour does not happen in program-generated windows, such as Firefox.

Dell 1340 Studio XPS, NVidea GT310 Hybrid SLI graphics.

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Ubuntu Installation :: Natty Alpha 1 Console Text Corruption?

Jan 17, 2011

fixing a text corruption issue / advice for filing a bug report (if necessary). So, generally speaking the stability I am experiencing with Natty is as I expect; I'm fully aware that this is a very very early development release and so all sorts of things can go wrong. I just wanted to point that out So while Gnome/Unity are up and running, graphics run more or less perfectly, the boot process text is completely garbled and if after everything is fully loaded I hit Control+Alt+F1-F6 the text looks like:

* this
* the above image close-up

The above links are supposed to be of the ubuntu login prompt. The problem occurred after running the upgrade command:

Code:

sudo do-release-upgrade -d

As is standard upgrade procedure. Is there anything obvious going on that I can tweak to make it all happy again? Since I have a working GUI.

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Ubuntu :: Kubuntu Natty Successfully Runs Windows XP

Jun 27, 2011

I recently bought an IdeaPad Z570 laptop with Sandy Bridge Intel Core i5 processor, 3 GB RAM etc.I still have things that I am forced to go to Windows for, so I had to make it a dual boot system. And I went and installed Windows 7 because that's what Lenovo provides the drivers for.

But to my dismay, lots of stuff, especially my Keyman keyboards, didn't work on Windows 7. So I installed Windows XP!But there are no drivers for this latest hardware for Windows XP. So what did I do?Installed VirtualBox on Kubuntu and installed Windows XP as a guest system using it! Linux/Kubuntu takes care of the hardware (or something like that).Installing VirtualBox Guest Addons from Multiverse also enables me to share directories between the Linux host and Windows guest, so I can access the files on my Windows D drive by mounting it in Linux (which I do by default in /etc/fstab anyway) and sharing it via VirtualBox Shared Folders.Given that Intel Virtualization Acceleration technology is inbuilt into the new processor/chipset, I don't feel much difference in speed!

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Ubuntu Installation :: Upgrade To Natty Fails - Kubuntu - Xubuntu Installed

Apr 29, 2011

I have a problem, because installation of ubuntu 11.04 will fail if I try to.

I have also Kubuntu and Xubuntu installed, which I regret a lot because I cannot uninstall them as well...

The problem is that I have installed a one-time-activation proprietary software so a fresh install is no option.

The error when upgrading is, that "xubuntu-desktop" cannot be marked for upgrade!

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Ubuntu Security :: Kubuntu Natty Finding What Programs Have Open Ports?

Jun 25, 2011

Well I'm kinda a paranoid person, and got bored and ran a port scan from 0 to 500000 and turned up some interesting results, I was wondering how I find the programs tied to each open port. Its my computer and I'd like to very well know what programs are needing these ports and for what usage.

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Ubuntu :: Priority To Hard Disk Containing Kubuntu Login To Kubuntu But Can't Get In To Windows7?

Sep 15, 2010

I have two OS in my system. Windows& and Kubuntu. Both are in separate hard disks. I was using both. In between i have upgraded my system. now when i am giving priority to hard disk containing kubuntu, i can login to kubuntu, but cant get in to windows7. i have upgraded grub but not working. when i am giving priority to hard disk containig windows7 it enters and work properly. but not working in the previous.

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Ubuntu :: XP / Kubuntu - If Delete Kubuntu What's Happen To My Boot Cycle

Mar 31, 2010

XP Pro SP3
Ubuntu 9.10
Kubuntu 9.10

Tri-booting. They were installed in the order I listed above. I ran into a few bugs with Kubuntu, so I no longer want to use it. I want to use GParted on a LiveCD to format Kubuntu and expand my Ubuntu home partition to sit on top of Kubuntu's space right now. If I nuke Kubuntu, will Grub still exist with my Ubuntu/XP entries to boot?

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Ubuntu :: Point To Kubuntu CD Instead Of Kubuntu Repository?

Mar 7, 2011

I would like to apply KDE on my Kubuntu because the current one blew up. But each time I to sudo get-apt it seems to be fetching from the cloud. Is there a way I can make it to read from my local Kubuntu CD? I have both Ubuntu 10.04 LTS and Kubuntu Live CDs.

I believe the local disk read should be faster to translate than to bite the bytes across thousands of miles over the wire right?

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Ubuntu Installation :: Tracker Db Corruption Again

Mar 11, 2010

Between Intrepid and Jaunty, the database schema for Tracker changed from QDBM to SQLite FTS. This caused corruption problems for many, the only solution to which (as far as I can tell) was to delete the contents of .cache/tracker. Unfortunately I have many thousands of file tags which I'm not willing to lose, so that isn't an option for me. So I've stuck with Intrepid, waiting for a solution to come along. It doesn't seem to have happened yet.

So ideally what I'm after is some way to convert my file-meta.db file to the current schema, or a way of exporting and then re-importing my tags. Failing that, a way of running Tracker 0.6.6 under more recent versions of Ubuntu would do.

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Ubuntu :: Won't Boot - Possible Data Corruption?

Sep 9, 2010

I'm having an interesting issue with my computer right now. It has Ubuntu lucid installed, which was upgraded from karmic shortly after it became available and was up to date as of September 1.

The issue is as follows: It will not boot the internal hard drive (250GB Seagate barracuda). When I select any of the kernels, it appears to be booting, but 6 Hours later, no joy. If I select any of the Kernels in recovery mode, it does nothing, so again no joy.

It will boot my 500GB removable drive via USB (Samsung on the inside), which contains a backup of my lucid (cloned with Clonezilla) from June-ish, but will not do so if the internal hard drive is hooked up, so I cannot access the internals contents while using the backup USB HD.

Now this is where it get's interesting, at least for me. It will boot up a livecd while the internal HD is connected, which was the only way for me to access the contents of my Ubuntu partitions in the internal HD. I have since pulled the Internal out, removed the USB 500GB HD from it's case, installed it into the internal HD bay, hooked up all the cables, turned the computer on and it did boot. While it did seem to take a long while to boot, I'm hoping this may be because it needs a serious amount of updates (294 updates, 485MB are ready via synaptic!). So I now have placed the 250GB Seagate into the USB HD case and can now access it, but the only contents that can be seen, are the items in my defunct vista partition and I cannot find any remnants of my Ubuntu installation, despite gparted being able to see all of the partitions.

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Ubuntu :: Graphical Corruption In WoW Under Wine?

Nov 8, 2010

When I run WoW through wine there is severe graphical corruption. I am using opengl and have tried windowed/nonwindowed mode. No luck. Any assistance concerning this?

Here is a pic: [URL...ldofwarcra.png (I am running a w2k theme, this IS linux)

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Ubuntu :: Korean Font Corruption After Upgraded To 10.04?

May 2, 2010

After I've upgraded to 10.04, the Korean text has become unreadable or very hard to read, on both KDE/Qt and Gnome/GTK apps. The text appears thiner and some characters/symbols are not fully rendered.

Has anyone encountered the same issue?

Update: In Dolphin and Nautilus the text is not rendered clearly, in Konsole is displayed just fine.

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Ubuntu :: Visual Corruption Of Some Qt Apps In Gnome?

May 20, 2010

G`Day, I`m getting corruption of some kde apps in gnome. While k3b & vlc look fine, others like KRDC & kolourpaint are corrupted. Problem remains if I enable compiz or not.Ubuntu 10.04 nvidia card . Have two boxes (32 & 64 bit) both with nv cards, and problem happens on both

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Ubuntu :: Disk Corruption After Power Failure?

Jan 14, 2011

While using my computer the other day (I was sending an email) it suddenly turned off. I didn't get any low power warning, but I was running on battery and had my iphone charging from a USB port.

As I didn't think there was low battery, I just turned it back on again. As it was booting I saw the battery light flashing, indicating low power. I went to get the charger, but before I got it, mid boot-up it turned off again.

This seemingly damaged something hard-disk-wise.

Upon turning it on again it dropped into busy box with some message similar to this:

Quote:

No init fount. Try passing init= bootarg.

BusyBox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu7) built in shell (ash) Enter 'help' for a list of build in commands

(initramfs)

That's not the actual message (copy pasted from another post) but the message is VERY similar to that.

If I "exit" busy box, I get a load of message about "kernel panic" before it freezes up.

I have booted a live USB (what I am using now). I thought since it wasn't cleanly unmounted, simply mounting and unmounting would do the trick. I was wrong.

Code:
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

[Code].....

I had previously ran e2fsck (after checking it was unmounted) but it wouldn't run also because it was reporting that the device was already mounted, busy, or being exclusively used by a process.

I don't want to do any more for fear of causing further damage.

I am astounded that such damage can be caused so easily!

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Ubuntu :: Disk Corruption After Hard Reset?

Feb 12, 2011

I'm facing a big problem with a corrupted disk on my wife's computer after she hard resetted the box after it froze up solid.Upon restarting it dropped into Busybox reporting something like

Quote:No init found. Try passing init= boot arg BusyBox v1.10.2 (Ubuntu 1:1.10.2.2ubuntu7) built-in shell (ash) (initramfs) ...This is VERY similar to a problem I had just a few weeks back with my own computer - see this thread for details of that. From that problem I learnt a lot, so I thought this would be quite straight forward, but I've ran into problems.The first thing I did was get a live disk, I chose Ubuntu Rescue Remix. It's a command line interface, which I am ok with, but I can't copy/paste the outputs here....so I am currently downloading System Rescue CD.sda1 is the root partition, it is corrupted. I used dd to make a back up of that by mounting sda7, and dding the whole partition image into /mnt/sda7/sda1.img .This seemed to complete properly, but, when I ran e2fsck on that img file, it wouldn't complete, throwing up a lot of errors.

Code:
ubuntu@ubuntu:/mnt/sda7temp$ sudo e2fsck sda1.img e2fsck 1.41.12 (17-May-2010)
Error reading block 2129920 (Invalid argument). Ignore error<y>? yes
Force rewrite<y>? yes[code]....[code]....

When I download and boot into System Rescue CD, I'll be able to run some more tests, in the mean time,I really want to save this disk otherwise my wife will be back on Windows permanently.

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Ubuntu :: What's The Most Reliable, Corruption-resistant Archive Format

Mar 3, 2010

I'm wanting to create a one-time snapshot archive of all my data in case something catastrophic ever happens to my main hard drive and my backup drive. I should add that I update my main backup regularly, which means that I wouldn't notice any creeping data corruption problems until it's too late...which is another reason a one-time snapshot is so important.Since I'm archiving a snapshot of all of my data at once, only a hard drive is big enough to handle the job. (I'll copy a small fraction - the truly 100% irreplaceable stuff - to DVD-R's too, but that doesn't mean I particularly want to lose any of the other stuff either.) Unfortunately, this means my storage medium doesn't inherently have any CRC's, error correction/redundancy bits, etc. built into it like data DVD's might.

So: What archive format would you suggest using for maximum reliability and resistance to corruption?My main concern is making sure that I can still open the archive and extract surviving files even if some of the bits (or the entirety of other files) go corrupt. This is my last-ditch fallback archive, so if I ever need to use it, I really, really don't want to get a message saying the archive is corrupt and cannot be opened at all! Because of that, it's important that the individual files and folders are compressed separately from each other...if at all. I don't care about the compression ratio, and I'd even be happy if the archive was 150% the size of my data thanks to a gigantic recovery record. I also care about CRC's and such, since I'll want to know which files/folders/etc. are corrupt vs. which ones are still intact.

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Ubuntu Installation :: Partition 1TB Drive Without Any Data Corruption?

Jan 6, 2011

I want to install Ubuntu (10.10) on the 1TB drive I need to unplug the SSD while installing it in order to dual boot by pressing F8 (the way I want it to be) so that Grub doesn't get installed on the SSD. What I want to know is can I partition the 1TB drive to install Ubuntu without any data corruption or anything? I have read that NTFS can lose data if partitioned with data already on it (I have no way of backing up my 100GB of files on the drive, as currently this IS my backup drive). What I want to do is have 900GB for files, and a 100GB partition (or partitions adding up to 100GB) for Ubuntu- what is the best way to do this? I don't need seperate partitions for ubuntu, can I install the whole thing to the 100GB partition and boot from it? Or do I need swap as well? I was thinking of making 900GB partition, 4GB partition for swap (if needed) and 96GB partition for Ubuntu (/ if I understand) as this is what the "erase entire drive" option creates.

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Ubuntu :: Filesystem Show Random Corruption Of Many Files

Feb 11, 2011

I have a problem, my filesystem seems to show random corruption. For example:

[code]...

This has happened to many files, they suddenly contain random garbage. Fsck seems to say the filesystem contains no errors I tried to run it multiple times.

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Ubuntu :: Radeon + Compiz + Rotate = Display Corruption

Apr 21, 2011

Installed Natty a few days ago and everything was working fine. I have a dual head setup with the left monitor rotated Clockwise 90 degrees (AKA rotate left). When I setup the the displays properly, instead of just cloning, I noticed a problem, making Unity unusable. When I apply the rotation either in the xorg.conf fle or using xrandr, the display shows a corrupt looking image. When I turn compiz off and use metacity instead it works perfectly fine.

Display Adapter:

Code:

01:00.0 VGA compatible controller: ATI Technologies Inc Cedar PRO [Radeon HD 5450]

xorg.conf:

Code:

Section "ServerLayout"
Identifier "Desktop"
Screen "RightScreen"
Screen "LeftScreen" LeftOf "RightScreen"

[code]....

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Ubuntu :: Update Corruption - Couldn't Download New Software

Feb 13, 2010

I'm currently running a dual boot system of Win XP & Ubuntu 9.1. When first installed, about a month ago, all was working fine then I started running the update manager and for a while that was good also. Suddenly I started having problems, for example, I couldn't download new software. I kept getting a message about waiting on other software managers or something. (since the re-install that is no longer an issue). Next I was having problems installing updates for some reason. Apparently something got corrupted. When my wife tried to boot up the computer last night we got a message that had to do with the kernel and Ubuntu wouldn't load at all and I wound up re-installing the OS.

Obviously something got screwed up with some of the updates and now that I've got Ubuntu up and running again I'm afraid to download ANY updates at all. What is a person to do if you can't trust downloading updates from supposedly trusted sources? My attitude now is, if it ain't broke don't fix it.

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General :: Ubuntu Server - Random Hard Drive Corruption

Feb 28, 2010

So I built a new system few months to act as a development/"mess around with" server with an Asus Mobo and a Q6600 processor and 8 gigs of ram. Along with file, web and app hosting, I also do some virtualization on it... or atleast I had hoped to.

Ever since the first install, I've been randomly getting crashes and lockups. Sometimes it would just dump an error to the screen but stay alive, and sometimes it would dump an error and then lock up fully. The error mentions something about "kernel not tainted" etc. I will post the detailed error once it comes up again, as I have just formatted it again.

Other problems include downloaded files becoming corrupt. Files downloaded through any means (wget, torrents, ssh, ftp etc.) seem to randomly get corrupted (ie: the hashes are wrong).

I currently have one WD 150GB raptor as my primary OS partition, and 3 WD 1TB greens as my storage in an mdadm raid 5 array. At first, I had thought it was the raid array or it's drives causing issues. After painfully transfering the data off of it, I took the drives out and tried to run ubuntu with just the OS drive for a while. This still had the same issues. I then put in only one of the 1TB greens and had the same issue...

I downloaded WD's hardware diagnostic tool and ran full scans on all the drives. They all check out fine.

I left memtest running overnight and it had no errors either.

Most recently, ubuntu would not even install. It would get stuck at the stage of partitioning, and the keyboard lights would flash. After much googling, I tried popping in "noapic nolapic" to the end of the grub string, and it managed to install.

Now, I'm in a fresh system and just wgetted vmware server. However, it wont untar, I just realized the MD5 hash doesn't match!

So definately not the memory or the hds... I'm assuming it has to do with the APIC? From what I found on google, it seems as though this is only needed for the install.

Do I really need this to be on the boot string too? From what I understand, APIC allows processes to be divided out to the least loaded CPU. Having a quad core, I'd rather leave this on since it seems somewhat beneficial... I have yet to try putting this into the grub yet since I'm offsite and need

As a side note, this latest install is using just the WD Raptor as an OS drive.

And I'll post up the dumped errors if I get them again. There were none dumped out when the vmware download corrupted. The message format is very similar to the one here: [url

However, sometimes it mentions ext3 (or one of the other filesystem types I had tried with thinking it was a problem with ext3) Again, the error message is not the EXACT same, however the format is very similar...

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Debian Multimedia :: Disk Corruption On New Install

Mar 7, 2010

I installed Debian Lenny on a friend's computer which is an older Dell workstation. The install went well. I delivered the machine last week, got it set up in there house and all was fine. 2 days later they said it crashed with a black screen and lots of words they didn't understand. I get there today and rebooted. X would not start but it ran a whole bunch of automatic self tests but could not recover. I was able to log in as root and run fsck. That made the necessary repairs. I was able to reboot and log into the KDE Desktop. Hopefully they don't break it again.

I asked them what they did to it to cause it to freak out like that and they had no idea. So, as to my question, what causes something like that? I know there must be a log file somewhere on the computer that will give me some insight into the matter, but I'm not sure where to find the file.

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Fedora :: Recovering An OpenOffice.org Document After Corruption?

Aug 21, 2010

Last night I was working on a document on my brothers Laptop computer. While working on it however, the computer locked up hard and I had to press the power button. When I booted back up I loaded up OpenOffice.org and it offered to recover my progress as normal, so I gave it the go ahead but it gave me a blank page. No big deal, I thought, and went to load up the original document. That is when the *beep* hit the fan. The original document was corrupted. My theory was that it was saving at the time of the crash. A 50 KB document now reads as only 4 KB. I did have a backup of the document from about a month ago, but that is ten pages shorter than the document that I lost.

Is there anyway I can recover my progress on the document? The computer is my brothers Dell Latitude D600 running Fedora 12 and he is using OpenOffice.org 3. I checked the "~/.openoffice.org/3/user/backup" directory and found two documents, but those are just useless files from when we were doing Grade 10 Social Studies. I doubt the remains of the file are much use, as it has shrunk in size dramatically. So it seems I may be up a certain creek, but I thought I would ask a few of the guru's here for some advice.

I did learn how to make it automatically backup files in OpenOffice.org through. Hopefully that will help prevent these kinds of situations from occurring again.

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OpenSUSE :: LibreOffice 3 Causing Display Corruption -?

Apr 14, 2011

I have 11.4 with kde 4.6, all up to date via YAST. Radeon driver, legacy ATI display hardware. LibreOffice is latest from the Stable:11.4 repo.

When I open LO, it causes the desktop to break up - diagonal stripes of blocks, and garbage (offset blocks) form all mouse movements from there until kdm restarted.

I restart by switching to F1 console, init 3, the init 5 as root. I can't seem to find any useful messages or logs.

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Red Hat / Fedora :: Filesystem Seems To Show Random Corruption

Feb 11, 2011

I have a problem, my filesystem seems to show random corruption. For example:

[Code]....

This has happened to many files, they suddenly contain random garbage. Fsck seems to say the filesystem contains no errors I tried to run it multiple times.

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General :: Display Corruption And Boot Hang

Jul 13, 2010

Anyone ever see anything like this on bootup?

[url]

The display freezes/hangs, but the kernel is still kind of responsive because I can hit Ctrl-Alt-Del and after many seconds it reboots.

I can get it (Slackware 13.0) to boot this same kernel just fine from CD; it's only the normal bootup, after the install finishes, that this happens.

I enabled netconsole so I could see the messages, shown below, but there are no errors reported. The display corrupts and hangs at the "TCP cubic registered" message which appears to be unrelated to anything video-wise.

Code:

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General :: Shutdown After Swap Corruption (or Something Related)?

Mar 14, 2011

I have a box that has been running fine for a few years primarily as apache/tomcat/mysql server.Just recently, it has started spitting out a bunch of messages and shutting down.The computer is running FC11, x86x64.If anyone can glean anything from the messagesIf you need any more info, let me know. I can get someone to start it up, and get as much as I can before it crashes.From looking at the messages, it seems like it could be something going on with the swap, but I'm not sure.The messages are below.(The box is on the other side of the country from me, so I don't have a ton of info, and it's hard for me to get someone to physically restart it for me...so it's kind of a pain.)(You'll see a lot of errors related to SSHD. I don't know if that's because SSHD is the culprit, or if it's because I was connected using SSH. For some reason I'm leaning towards it being something other than SSHD.)

Code:
setroubleshootd[2852]: segfault at 33cb1fe909 ip 00000033caf06e8d sp 00007fffe4bf4ec0 error 4 in libpython2.6.so.1.0[33cae00000+165000]

[code]....

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General :: Memory Corruption Tool In A Program?

Oct 14, 2010

Kindly let me know the Linux tool to find out the memory corruption in a program. The tool could be built for PPC as well.

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Ubuntu Networking :: File Corruption By Copy From Lucid To CIFS Share

Aug 11, 2010

There are a number of shares on the destination system; for the purposes of this thread I used D$ and F$ (corresponding to those partitions). These shares are mounted permanently via CIFS (entries in fstab) on the source system.Today I copied an ISO image of some 3.5 GB from source (S) to destination (D). md5sum on S gave a different checksum for the source ISO than that calculated by HashCheck Shell Extension for the destination ISO. I know some would argue that I shoud use the same md5sum programm for both images.

To circumvent that I 7zipped the ISO, verified it's integrity and copied that archive from S to D. Verification of the acrchive by the Win version of 7z failed.To see if it's a protocol problem I copied both ISO and archive of ISO to another D this time using sshfs (it's an Ubuntu server). Flawless copies.Then I copied both files to another Win-based server on the same network. Flawless copies.Mystified, I checked the partition's file system integrity (NTFS) where the errors occured. Minor inconsistencies (no errors according to chkdsk). So I copied both files again, once to another partition (D:) of the original D, once to that partition causing the error in the first place (F:).

(D:): archive corrupt, checksum okay
(F:): this time around both okay.

What the hell can I do to nail down the problem?! I don't even know whether it's a problem of the source system or the destination.

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