Dd /dev/dvd Input Output Error
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Dd: Error Reading ‘/dev/sr0’: Input/output Error
Anybody can answer The best answers are voted up and rise to the top Why can't I copy my DVD with dd? up vote 6 down vote favorite 2 I tried dd, dd_rescue and ddrescue, all failed. I thought these tools bypass the filesystem and make a bitwise copy. dd is fooled, it finishes but just produces a small file and states it's finished. dd_rescuse and ddrescue are complaining dd copy protected dvd about read errors and are intolerably slow. These tools can copy only a few MB in 10 minutes. Why is this happening, why are these tools failing? AnyDVD makes the disc copyable in a second on a Win7 host. It says that the UDF filesystem is patched, curiously, it also says that there are no bad sectors. The whole disc can be copied in 10 minutes. UPDATE: As for the solution, see my similar question on superuser. filesystems backup data-recovery dd dvd share|improve this question edited Feb 28 '12 at 21:07 asked Feb 24 '12 at 11:21 Ali 90141114 add a comment| 4 Answers 4 active oldest votes up vote 10 down vote accepted I think that the simplest answer is that dd, dd_rescue and ddrescue are not designed to defeat copy protection schemes. They make no assumptions about the format of the data and try to maintain the integrity of the whole of the original on disk data. In the case of dd I suspect that it is terminating due to an intentional read error on the disk that is part of the copy protection scheme. It would help to confirm this if you included the commandline output from dd with your question. Y
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Dd Error Reading Dev Cdrom Input Output Error
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Forgot Password? Join Us! Register All Albums FAQ Today's Posts Search Using Fedora General support for current versions. Ask questions about Fedora dd copy cd that do not belong in any other forum. Google™ Search FedoraForum Search Red Hat Bugzilla Search Search Forums Show Threads Show Posts Tag Search Advanced Search Go to Page... Thread Tools Search http://unix.stackexchange.com/questions/32564/why-cant-i-copy-my-dvd-with-dd this Thread Display Modes #1 3rd March 2010, 11:16 PM jonrpick Offline Registered User Join Date: Jun 2008 Posts: 171 Input/output error when trying to copy DVD contents with DD Here's what I'm getting... I even threw some video DVDs at it to make sure it wasn't the disc. Code: [pickens@acer1 Videos]$ dd if=/dev/sr0 of=POTC.iso dd: reading `/dev/sr0': Input/output error 5088+0 records in 5088+0 records out 2605056 bytes (2.6 http://forums.fedoraforum.org/showthread.php?t=241604 MB) copied, 1.67727 s, 1.6 MB/s [pickens@acer1 Videos]$ I am getting the same thing on my laptop running Mandriva, oddly enough. Two different drives, two different computers, two different distros and multiple DVDs. What could be the problem?? __________________ Desktop machine: Zotac MiniITX MB / Pentium Dual Core E2200 (Soon to be Core 2 Duo), 4GB RAM, 640GB SATA, nVidia integrated GPU. Fedora 13, adding Mandriva Powerpack and Puppy soon. Netbook: HP Mini 311: 3GB RAM, 160GB SATA. Nvidia ION LE Graphics. XP SP3 and F13...adding Mandriva soon. My avatar is indicative of my attitude... [SIGPIC][/SIGPIC] jonrpick View Public Profile Find all posts by jonrpick #2 3rd March 2010, 11:34 PM Nokia Offline Registered User Join Date: Aug 2006 Location: /dev/realm/{Abba,Carpenters,...stage} Posts: 3,285 DRM protected disc ? __________________ For safer browsing, use OpenDNS nameservers 208.67.222.222 and 208.67.220.220 SELinux User Guide AutoPager Nokia View Public Profile Find all posts by Nokia #3 3rd March 2010, 11:42 PM jonrpick Offline Registered User Join Date: Jun 2008 Posts: 171 Quote: Originally Posted by Nokia DRM protected disc ? I'd say so, yeah... I've never had a problem doing this in the past. But VLC won't even play it, so...doesn't it usually play ANYTHING? Also, I've never know DD to
Member Registered: 2011-02-07 Posts: 74 Input/Output error copying files from CD/DVD Titles explains all: I tried to copy an .avi film file from a data DVD, but an Input/Output error came up and I'm unsure what to do next https://bbs.archlinux.org/viewtopic.php?id=114032 to fix it.Don't know if it is related, just mention it in case, but http://askubuntu.com/questions/137966/copy-cd-dvd-contents-into-an-iso-file I also have the same burning problems with Brasero I've read in some threads (process starts but always fails). Offline #2 2011-02-23 14:38:01 Kosmonavt Member Registered: 2010-02-15 Posts: 100 Re: Input/Output error copying files from CD/DVD Try to duplicate your dvd via dd. Suppose your DVD drive is /dev/sr0, then you should execute something like dd if=/dev/sr0 output error of=dvd-image.iso, where dvd-image.iso - name of image file (note that it will be about 4,5 GB large) . If it fails immediately, then looks like disc is badly corrupted. If not, then wait till command completes, and try to mount this image with mount -t udf dvd-image.iso /mnt (/mnt can be replaced with other mountpoint). Sometimes image mounts better than source disc. Offline #3 2011-02-23 15:10:14 karol Archivist Registered: 2009-05-06 input output error Posts: 25,433 Re: Input/Output error copying files from CD/DVD Did the file get copied or not? Sometimes you get I/O error but everything seems fine and the file plays OK. Offline #4 2011-02-24 10:27:52 Daerun Member Registered: 2011-02-07 Posts: 74 Re: Input/Output error copying files from CD/DVD The file gets partially copyed before the error message appears, with a size of like 40MB while every video in the disc is like 300MB. Kosmonavt, it's a data DVD with video files in it, not a film DVD ; also, I can play the videos from the disc normally. Offline #5 2011-02-24 13:30:10 Kosmonavt Member Registered: 2010-02-15 Posts: 100 Re: Input/Output error copying files from CD/DVD Daerun wrote:it's a data DVD with video files in it, not a film DVDDo film DVDs still exist? Haven't seen any for a long time. The method I described works (AFAIK) only for DVDs with data - one time it helped me to read a scratched DVD with some backups You really should try method with image. If it don't mount, unfortunately there are almost no free software that can fix filesystem. Offline #6 2011-02-24 14:27:12 Daerun Member Registered: 2011-02-07 Posts: 74 Re: Input/Output error copying files from CD/DVD Alright, I'll try it, but as I
communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Copy CD / DVD contents into an iso file up vote 3 down vote favorite 2 The title seems to be self explainatory. I just want a software to do that. I already have Nero linux but i dont think it is capable of doing it. Trying out the command line method I get an Input /Output error though the iso file seems to be fine also adding bs=1024 doesnt help much 10.10 dvd iso cd share|improve this question edited May 17 '12 at 5:44 asked May 16 '12 at 17:01 Ashu 5,16622254 You get the Input/output error due to DRM protection. –Rinzwind May 17 '12 at 6:45 .... and nero linux -can- make ISOs: file -> Burn CD image –Rinzwind May 17 '12 at 6:47 @Rinzwind will that prevent proper copying? –Ashu May 17 '12 at 6:47 That's what DRM is intended for. You will probably run into trouble if you try to install from it. –Rinzwind May 17 '12 at 6:51 Check dmesg for more detailed errors. And if it is a copy protected video dvd then you will need a program to decrypt and unlock it. –psusi May 17 '12 at 14:00 | show 1 more comment 2 Answers 2 active oldest votes up vote 5 down vote accepted If you feel like going terminal you could try this: dd if=/dev/dvd of=/myiso.iso bs=1024 There are other examples here: http://digitalsanctum.com/2007/01/26/how-to-make-an-iso-image-using-dd/ share|improve this answer edited May 17 '12 at 6:45 Rinzwind 139k17268372 answered May 16 '12 at 17:07 Mordoc 1,641514 the link tells i need to unmount the cd before using the command. unmounting it causes the cd to eject. –Ashu May 16 '12 at 18:14 @Ashu, you don't need to unmount it first. –psusi May 16 '12 at 19:30 adding bs=1024 to the line described above , can speed things up. Since it will be reading the disk in larger chunks –tomodachi May 16 '12 at 20:17 @psusi thanks. the burning gets completed properly but i get an error. edited my question. –Ashu May 17 '12 at 5:36 @t