Software :: Corrupted Font After Reading The 1st Sector From An USB Drive Using Dd?

Mar 18, 2010

I wanted to check the first sector of my USB stick, and so I issued:dd -if=/dev/sda -bs=1024 -count=1It showed me all the weird characters from the data, then after it executed my bash prompt became corrupted with the same kind of characters! Also, everything I typed was like that. (see the picture)Luckly, it was just that tty that became like that.How can I fix the fonts after something like that happens, and how to prevent it from happening whenever I use dd again?

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OpenSUSE Install :: Downgrade To 11.1 - Error Reading Sector

Jan 14, 2010

I was about to reinstall the opensuse 11.1 since 11.2 was giving me trouble and ran the 'check installation media' and it turned out every disc I burn gives me 'Error Reading Sector 1891680'. This CD-ROM is broken. Looks like there is a problem with installation. I already burned like 5 different DVDs.

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Ubuntu Installation :: 11.04 - Loading VM / Error Reading Sector

Sep 1, 2011

I created a boot disc (USB drive) with Ubuntu 11.04 and tried to install it on my Gateway GT5012 desktop running Windows XP. It gets to the part where I can "Run Ubuntu from this USB," and I select it. The screen shows "loading vm/linuz..." or something like that, and then the entire screen turns into dots.

One time, when trying to boot from the drive, it brought up
"CHS: Error 0201 reading sector 1418005 (88/68/3)
EDD: Error 4200 reading sector 1418006"

I ran this same USB drive on another computer (also running XP), and it worked just fine, so I really have no idea what's going on. If it matters, the computer it worked on had Internet access, this one didn't. It says "Loading /casper/vmlinuz..." and then goes to the screen of flashing dots.

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General :: After Writing Successfully A NAND Block Is This Reliable Ar Reading As A NOR Sector?

Apr 7, 2011

Am interested in using MT29F2G08AABWP NAND Flash memory for a new embedded design and I couldn�t find a clear specification regarding how reliable is the NAND flash vs. NOR for reading operation.If I program successfully a NAND block, read back and verify successfully the information and never erase or program that particular block again, can I assume that block will remain a good block and the information written there is safe for READING, roughly as safe as a NOR sector?

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Ubuntu Installation :: Can't Boot 64-bit Alternate Install Cd - Error 8000 Reading Sector 2855

Aug 6, 2011

when i try to boot the 11.04 64-bit alternate.iso i get the following message, after it says that isolinux blabla is loaded: EDD: Error 8000 reading sector 2855 and when i remove the cd it says: gfx.c32: not a COM32R imageand then there is a grub-shell.

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Software :: Directory Corrupted While Reading Uuid / Why Is So - Solve It?

Apr 29, 2010

I am trying to mount directory but i faced error as following code...

Why this ? and how solve?

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Red Hat :: Set Console Font (corrupted After Yum Update)?

Mar 11, 2009

I'm running RHEL 5.3 on one box at work; after the initial installation, the console font was fine (although it was visible in only one of two monitors: dual-head was configured automatically).After the first yum upgrade (which brought in dozens of packages), the console font became almost unusable. At first I can log in (say, on TTY1), but after the next few keystrokes every blank part of the display is changed to a capital G with a caret. Also, stdout (in some cases) is in an unreadable (for me, cyrillic maybe?) font. (And now the same - corrupted - display is visible in both monitors) I can't find the command to choose another console font. Looked in the "system-config*" type scripts to no avail

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Ubuntu :: Simulate Bad Block Or Sector On Drive?

Feb 15, 2010

I want to simulate a bad block or sector on a drive or even a virtual drive image to test my data recovery distro. I wish I would have bookmarked when I read about it before. It was some type of low level command, I remember something about scsi subsystem or kernel thingabob.

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Hardware :: Advanced Format 4k Sector Drive With LVM

Nov 24, 2010

So I finally bought an advanced format drive, the 2 TB Samsung f4. I will be using it on my slackware box, running slackware 12.2 with kernel 2.6.27-7. I intend to format the drive by hand with fdisk and start the first partition on sector 2048, or perhaps boot a livecd and format it with a newer version of fdisk or parted that will natively partition this drive correctly. My real question is, do I have to do anything special to add this drive to an existing LVM volume group? I'm thinking no, since LVM basically just breaks all your data into 4 MB chunks and spreads them across the pool of partitions you've defined, but I've found many conflicting opinions from searching google. To simplify things, I'm not using RAID of any sort, neither hardware nor mdraid.

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Hardware :: Change USB Flash Drive Sector Size?

Mar 5, 2011

It's many years since introducing of installation of Linux live CDs like Ubuntu from USB flash drives. I never been able to use such services on my 2GB KingStone flash drive, because it's sector size is 2048 and the famous linux error: "Not all ... support more than 512B sector size". Although I formatted my flash drive many times and even erased the whole partition table and cleared all flash contents with 0xFF values but it still has sector size of 2048.I want to know where the hell those softwares like "USB Startup Disk Creator" in ubuntu and kubuntu and fdisk in almost all linux distro's get to know that the sector size is 2048?

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Fedora :: Hard Drive Reallocated Sector Count Errors?

Jul 10, 2009

I just upgraded to Fedora 11. (I decided to give 64bit a try and I am extremely impressed.Not one problem at all! Kudos to the devs.) Whenever I log in I get the Palimpsest Disk Utility telling me two of my hard drives have a reallocated sector count.I have two 1.5Tb Seagate drives (model #: ST31500341AS). One is a backup of the other. On the first disk the disk utility tells me I have 22 reallocated sectors and 53 on the second. I've been on Google on discovered that there is no easy way to fix this and that a few bad sectors are okay but too many is a sign of imminent drive failure. This obviously concerns me because both my main drive and its backup are showing errors.

I went to Seagate's website and downloaded their diagnostic software (Seatools for DOS) and it passed both of these drives.So, questions: is it possible that Fedora is giving me a false positive? If not, is 22 and 53 sectors something to be concerned about? If so, should I contact Seagate and see if I can pull warranty on these drives? Is there a way to repair this damage?

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Debian Hardware :: Unusual System Failure - Hard Drive Bad Sector

Sep 11, 2015

It all started about a week after upgrading to Jessie and I had an unusual system failure, in that the CPU went to 100% usage and the hard drive light was on constantly. The keyboard and mouse were were non-responsive. Not having REISUB enabled I did the "stupid" thing and pushed the reset button on the computer. BAD BOY! As a result the computer would not boot and I had to use a live CD to format the drive and install Wheezy (I had the CD).

After installing Wheezy, everything worked well for about 3 days and then it did the same thing. Fortunately I had REISUB enabled and was able to reboot. I looked at the syslog and found a segfault with colord-sane and, after some research that suggested colord-sane might be a problem, I set UseSane=1 in colord.conf . Things seemed to be okay for about 4 days.

Well, after all that I had another problem today with booting. During boot I got an error message saying that there was some hard drive problem and that I needed to log in and run fsck, which I did . There were I believe 4 INODE errors that I was asked if I wanted to repair, to which I responded yes. After that the system booted correctly. After booting and entering the Gnome Classic desktop I looked at the Disk Utility and checked the SMART data. There is now 1 bad sector where before there were none. The drive is a one year old WD 500GB Velociraptor.

Don't know if this is relevant, but in the days before this latest "crash" I had downloaded about 8 movies using bittorrent. Could this have overtaxed the HDD?

I guess my questions are: When fsck "repaired" the disk would it have moved any data from the bad sector to a new location? What may have caused the sector to go bad ? Should I be buying a new hard drive?

The system seems to boot okay,at this time, so I assume that no critical system files were affected. Just curious as to how I should proceed. First is BACK UP my data. Got that !

One more thing I just thought of is that every time it "crashed", I was using LXDE.

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CentOS 5 Hardware :: HDD Drive Support With Sector Size Of 4096 Bytes?

Apr 30, 2010

I'm going to replace damaged HDDs in my server with new drives, which have sector size of 4096 bytes instead of 512. Does CentOS natively support such drives? If yes, since which version? If no, what actions should I take to correctly prepare such a drive to work. How to check that such a drive is correctly recognized by OS?

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Ubuntu :: Corrupted Drive After Restart

Jun 18, 2011

I've been running Ubuntu 10.04 for a while now on my 500 gb external hard drive, and for the most part I've had little to no problems I couldn't fix with a little common sense. However, recently my computer was taking an unusually long time to boot up, so I restarted, which normally works just fine, but just as I restarted the system had begun to boot. Now when I boot I get the following:

Code:
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have /sbin/init.

[Code]....

I haven't tried an Ubuntu LiveCD, because I lost mine (making a new one is difficult with our current internet connection) and I feel I would get the same results. At the very least, I would like to be able to get all my music, videos, etc. off the drive, but I would prefer being able to fix it completely so as not to have to buy a new one.

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Debian :: USB Drive Corrupted - Cannot Read Superblock

Mar 16, 2011

I have a removable USB pen drive, that all of a sudden, when it got 99% used, stopped working. When I try to mount it (manually) I get "can't read superblock". I know there is a ton about this on Google and I've read a lot of them, but most seem to be about formatting a drive, or fiddling in fstab. I'm trying to run fsck on it, and it finds errors, (among them: two FAT-tables?) but then it just freezes, and CPU goes to 100 % and I let it be like that for 4 minutes, before aborting. Scandisk in windows is rubbish (fails to start), and running "chkdsk /f F:", in windows, results in nothing, the shell crashes immediately. Is it normal for fsck to get stuck and just chew up CPU? It does not seem to be reading from the drive, according to conky. Also, is it possible to run fsck as normal user, (at my work)?

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Ubuntu :: USB Shared Drive - Corrupted Directory

Mar 12, 2010

This is a USB shared drive, with an ext3 partition. The partition is located at /dev/sdb1. I use Samba to share /media/tiga1000/samba/public, and everyone on the network can add/delete files to it. Specifically, this is our media drive, and we upload a lot of pictures to it, since me and my sister are amateur photographers. Under /public/images/camera_pictures/2010, I have 3 directories. 01_january, 02_february, and 03_march. The directory that has been corrupted is 03_march, and when I say corrupted, I mean that I cannot open it. It acts as a unknown file type that can't be opened.

Here is the file properties of it:
Code:
drsmall@mycroft:/media/tiga1000/samba/public/images/camera_pictures/2010$ ls -lah
total 960K
drwxr-xr-x 4 nobody nogroup 4.0K 2010-03-11 21:22 .
drwxr-xr-x 5 nobody nogroup 4.0K 2010-02-18 20:19 ..
drwxr-xr-x 14 nobody nogroup 4.0K 2010-01-31 11:57 01_january
drwxr-xr-x 10 nobody nogroup 4.0K 2010-02-23 15:47 02_february
-r--r--r-- 1 nobody nogroup 938K 2010-03-11 15:46 03_march

How I should go about recovering it. Somehow it lost it's directory switch. Should I unmount the drive and run fsck on it? I would like to be able to recover these images, if it is at least possible!

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Hardware :: Corrupted USB Flash Drive Needs Fixing

Jan 7, 2010

I unwisely lent my USB stick to a friend who desperately needed to copy some files between home and work. When she returned it, I plugged it in and found the files could not be read (I have a few things on there she was told not to delete). It appears to have become corrupted- can't say how it happened as I wasn't with her, though she was successful in using it (windows machines of some variety).Output of ls is a succession of 'ls:cannot access <garbage> Input/output error' with the odd 'No such file or directory' interspersed between them.

I'd like to recover my files if possible, a few are latest versions and hence the backups aren't up to date. I'm using an Acer Aspire one with the supplied Linpus linux (based on fedora 8), also have access to my old laptop and desktop with older versions of fedora on them.On the Aspire one, kernel is 2.6.23.9lw.The usb drive is a 16GB Super-Talent (really small one) which mounts as /media/disk

I've read that using e2fsck on a mounted drive is a bad idea, so am looking for suggestions. I just want to recover the files (and am hoping I can then format the disk and make it useable again).

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Ubuntu Installation :: Karmic Corrupted MBR On Another Hard Drive

Feb 2, 2010

The computer that I have Ubuntu/Karmic just recently installed on, has 2 hard drives. Primary is Ubuntu, secondary is win95b. After the Karmic installation (which went perfectly), I now find that when I boot to the secondary drive, the MBR for win95b is reporting it is corrupted. I can use win95b, BUT it runs in dos compatability mode, and there are no CD drives showing, despite the fact that BIOS reports 2 cd drives. Can GParted fix the corrupted MBR on the win95b hard drive?

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Hardware :: Corrupted Drive- Mechanical Or Logical - Fsck Repair?

Sep 7, 2010

I was working on my RHEL 5.2 workstation yesterday when the OS became flakey. first I noticed that some software that I had running was outputting and error that it was unable to write to log file because permission was denied - I've never seen this output before- it would have been writing to my home dir running under my user name. From an open terminal, i did "ls -al" and saw that many of the permissions the files in my home dir were listed as "????????" some were still "rwxrwxrwx", as well, many files were highlighted in the colors set for links and root privileges.

I tried to start a new terminal, and it failed. then Gnome crashed. When I reset the Machine, I got through grub, and into the startup, and after finding the Volumes, the startup failed with a Kernel panic:

giving several errors- like:

I dont have much experiencie with this stuff, but it looks obvious that somethig like the MBR or wherever the partion information is stored might have been corrupted.

What I dont understand is why I can get into GRUB (its a dual boot Windows Vista, RHEL machine). I'm guessing that this means its not a mechanical problem, because I can get RHEL to begin to boot which i think is failing somewhere around the /etc/rc.d/re.sysinit script, and also can get Vista to bring up the inital windows screen and a mouse pointer on spanning both of my screens which i think means that it must have at least loaded my ati drivers for my dual head radeon 4850. windows hangs there however.

I've tried the RHEL 5.2 rescue disc, and it doesn't recognize any Linux partitions.

I ran the system diagnostics out of the dell bios and it came back with a failed HDD : Error code 0142, but from digging around a bit I've found that this is a very broad diagnosis.

My concern over it being a mechanical problem is that I'm not sure that I want to try to run any further diagnostics, or any of the disk utility programs that i've seen listed here on linuxquestions, as it might damage it further, and there is some data that i would really like to get off this disk.

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Software :: Running 'dd' To A FLASH Drive Results In Corrupted Volume/partition?

Oct 13, 2010

I am trying to install an ARM version of Ubuntu onto an SD card for a BeagleBoard from a .img file downloaded from http://releases.ubuntu.com/lucid/. I have tried several files of .img and .raw downloaded from several places. I am using 'dd' on a PC running Ubuntu 10.0.4. My question doesn't relate to the BeagleBoard at all since I never get that far. The files for Angstrom that I copy directly onto a formatted SD card boot up fine on the BeagleBoard, but I need Ubuntu on there and can't do it with these image files. The command I use is:

sudo dd if=<the downloaded file> of=/dev/sdb1 After it asks the root password, it chugs along for some time and then gives what appears to be a successful response like the following. (This time it was for the Maverick version of Ubuntu in a .raw file):

leiphasw@dell-linux:~/Downloads/ArmMaverickUbuntu$ sudo dd if=maverick-preinstalled-netbook-armel+omap.raw of=/dev/sdb1
4090632+0 records in
4090632+0 records out
2094403584 bytes (2.1 GB) copied, 167.38 s, 12.5 MB/s

[Code]...

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Ubuntu :: Ccd2iso " Unrecognized Sector Mode (c9) At Sector 0 "?

Jul 27, 2010

Title says it all, I get that "un..." when trying to convert an .img file to .iso, am I doing anything wrong here?.

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Fedora :: CD-ROM Drive Not Reading Contents?

Sep 28, 2009

How do I get my CD-ROM drive to read its contents? I am trying to read a music cd and it won't show in Dolphin or in other OS windows. I am using F10KDE.

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Hardware :: DVD-RW Drive Not Reading Discs?

Apr 22, 2011

Installed Ubuntu 10.10 this morning from CD, downloaded all the latest updates. But when I put a CD or DVD in the drive, I can't access any of the data. Disk utility recognises that the drive is there, but it says "No medium detected".

Disk utility recognises it at /dev/sr0 so I added a line to fstab

/dev/sr0 /mnt/dvd udf,iso9660 user,noauto,exec 0 0

but made no difference

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Debian :: Reading An External NTFS USB Drive?

Feb 1, 2010

I've installed libfuse2 and ntfs-3g. Now when I reboot, the drive shows up in fdisk. In Gnome File system, the folder shows up in /media as /media/Storage. I didn't issue the mount command, it went there automatically. In terminal, I can access Storage and read/write to files on it. BUT, if I double-click the folder in Gnome, I get a brief glimpse of all the folders in Storage, then they disappear and the drive unmounts. The desktop icon goes away, and I can't see it when I issue sudo fdisk -l. I can get it back with a reboot. I've tried an entry in /etc/fstab, but that makes no difference. I didn't find anything specific to address this on this forum or after Googling.

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Debian Multimedia :: KDE Reading Too Much From Network Drive

May 2, 2015

I have a server set up with Samba. On the desktop side I use KDE. I can clearly track intensive smbd activity, being the first on the iotop results page. Another thing is that after reading from the server's HDD, it seems to write on the desktop's SSD. It does this intermittently.I really want to know how can I stop this. It's very annoying and I bet I don't need it since, using previous versions of Debian, I could go well without this activity.

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Debian Hardware :: The Drive Isn't Reading Discs?

Jan 28, 2010

The drive isn't reading discs. Dmesg says PIO255(auto-tune) requested, PIO4 selected, UDMA33MHz.

An inexpensive drive with many failures noted on Google.

What command would I enter in grub following "ro quiet" to change the mode?

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Ubuntu :: Badblocks Reading Drive Too Quickly?

Sep 11, 2010

I'm running badblocks on some new disk drives just to be safe before my return period expires. I'm running the command

Code: sudo badblocks -b 4096 -p 4 -c 65536 -w -s /dev/sdb1 on an empty partition taking up the entire device. I am getting the following output:

[Code]...

1) When it gets to the "reading and comparing" phase, it seems to complete in <1s. I see other posts where people say this takes them as long as it took to write to the drive. I don't see any mention of this being quick, so I'm just afraid that badblocks is being denied read access or something.. Anyone familiar with this behaviour?

2) Obviously since it is on a sixth pass, badblocks thought that it found new bad blocks on the second pass (or later). When I check SMART, though, the drive has not re-allocated anything (despite having plenty of spares)... Doesn't this seem odd? Is there some reason why the disk would not step in upon a write fail? In fact, I thought a write fail should be transparent... Which makes me wonder if question 1 (above) is causing this...

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Fedora Installation :: Cannot Boot Into KDE4 - Reading From CD ROM Drive

Jun 22, 2009

I just downloaded the Fedora11 LiveCD and booted it......it boots, but when it starts to load KDE, it takes a very long time, and it never ends. It just keeps on reading from the CD-ROM drive. I can see the GUI is loading, but the loading time is so long that the mouse sometimes freezes. My Config is 512MB of RAM and 2 IDE Hard Disks. Also note that I verified the image with SHA256, and even burnt the CD at two different speeds, one at 48X and the other at 16X. Still nothing. There has also been severe kernel panics on EXT4.

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Fedora Hardware :: Reading Old SCSI SCO Unix Drive?

May 17, 2011

I need to read some data from a hdd that belongs to an old SCO Unix system. The SCSI card is PCI so I unplugged it from the old SCO unix box and stuck it in a new computer and booted using a Fedora 14 USB pen drive. The SCSI card was recognized and so was the hdd but it was not mounted. I then went into Applications, Disk Utility, and found the hdd. Under 'Edit Partition' the type was blank. I was tempted to set it to 'Extended' but was not sure whether that could damage the data on the disk. Does anyone know whether I would be able to read this Hdd by setting the type to 'Extended'?

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Ubuntu Installation :: Drive Quits Reading Live CD?

Oct 30, 2010

I decided to install Maverick on another PC in the house. I downloaded and burnt the 10:10 live CD three weeks ago and installed it on my laptop without problem.

Now when try to install on this it read the CD as first boot device, goes to the language selection, and then the "try without installing/Install/check disk" etc. I select either "install" or "try without installing" and after s few seconds the drive spins down and thats it...nothing more happens.

I know the CD's fine as I already installed with it and the PC in question currently has a working version of Karmic on it. PC is an Acer L100 and the CD is the 32 bit version.

Update: After posting this I've played around a bit more. It seems most attempts it doesnt want to read the Live CD at all. After trying to boot from it and displaying the copyright line "isolinux..." it jump straight GRUB and boots my present OS. I've just tried the Karmic CD too and the same thing is happening. So maybe points to a problem with the CD drive??

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