Data Error In Casper File Is Broken
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Installing Linux from a Flash or SDCard This is a useful procedure to know how to do (to avoid CD/DVDs). If you have a netbook without a CD/DVD-rom filesystem.squashfs unetbootin freeze drive, this is your only option for installing or re-installing any operating
Unetbootin Stuck
system. Ingredients: Procedure: Acquire the Proper Ubuntu OS Version. Download the appropriate version of ubuntu. If you linuxlive usb creator consider an alternative download version, take care to consider the pros and cons of a netbook version (more compact but limited compared to the full desktop version), and an universal usb installer older (outdated by usually more stable) and newer (more up-to-date, but can be decidedly less stable) OS version. It often can be a challenge and necessary trial-and-error process to see which version is most compatible with your hardware. Almost always, however, at least one ubuntu version will successfully boot. Get Ubuntu Installed on the Flash Drive (or SD
Download Ubuntu
Card). Download and use the universal linux installer. This installer pairs the .iso downloaded from the previous step to the destination flash or sd drive letter. Ensure that you select the correct letter drive! This installs "wubi" (Windows-Based Ubuntu Installer) onto the destination drive, if you run the Universal USB Installer from windows. IF you run it from linux, it unstalls, the appropriately abbreviated lubi (and a mac-os rubbish-based installer will be called mubi). IMPORTANT: Trouble-shooting the Installation (if necessary, if not, skip to step 4). You may get a Data error in 'casper\filesystem.squashfs'. File is broken. error. I encountered this and it is quite a common diagnostic error when installing. That error indicates one of two things: 1)the installation failed due to the installer or 2)the installation failed due to a corrupt .iso. Thus, solutions are using a different installer (instead of universal linux installer), like unetbootin or for the second cause of the failed installation, redownloading the .iso from a mirror site or downloading a different version of the .iso. TL;DR
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more about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and https://linuxgeekoid.wordpress.com/2011/07/12/successfully-booting-and-installing-linux-from-a-flash-or-sd-card/ 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 The file casper/filesystem.squashfs is corrupt up vote 0 down vote favorite I tried http://askubuntu.com/questions/408224/the-file-casper-filesystem-squashfs-is-corrupt burning Lubuntu 12.04 to a CD-RW with Xfburn and braseo, but it keeps be corrupted. I tried to check my hashes but: Lubuntu 12.04 i386$ md5sum -c md5sum.txt | grep -v "OK$" md5sum: ./casper/filesystem.squashfs: Input/output error ./casper/filesystem.squashfs: FAILED open or read md5sum: WARNING: 1 listed file could not be read My disc has enough room. Also, the iso's checksum is fine. ~/Desktop$ md5sum -c MD5SUMS.txt md5sum: lubuntu-12.04-alternate-amd64+mac.iso: No such file or directory lubuntu-12.04-alternate-amd64+mac.iso: FAILED open or read md5sum: lubuntu-12.04-alternate-amd64.iso: No such file or directory lubuntu-12.04-alternate-amd64.iso: FAILED open or read md5sum: lubuntu-12.04-alternate-i386.iso: No such file or directory lubuntu-12.04-alternate-i386.iso: FAILED open or read md5sum: lubuntu-12.04-alternate-powerpc.iso: No such file or directory lubuntu-12.04-alternate-powerpc.iso: FAILED open or read md5sum: lubuntu-12.04-desktop-amd64+mac.iso: No such file or directory lubuntu-12.04-desktop-amd64+mac.iso: FAILED open or read md5sum: lubuntu-12.04-desktop-amd64.iso: No such file or directory lubuntu-12.04-desktop-amd64.iso: FAILED open or read lubuntu-12.04-desktop-i386.iso: OK <--------------------------------This is the file md5sum: lubuntu-12.04-desktop-powerpc.iso: No such file or directory lubuntu-12.04-desktop-powerpc.iso: FAILED open
Ubuntu Edit Confirmed Undecided Unassigned Edit You need to log in to change this bug's status. Affecting: Ubuntu Filed here https://bugs.launchpad.net/bugs/636711 by: Harrison When: 2010-09-12 Confirmed: 2011-04-20 Target Distribution Baltix BOSS Juju Charms Collection Elbuntu Guadalinex Guadalinex Edu Kiwi Linux nUbuntu PLD Linux Tilix tuXlab Ubuntu Ubuntu Linaro Evaluation Build Ubuntu RTM Package (Find…) Project (Find…) Status Importance Confirmed Undecided Assigned to Nobody Me Comment on this change (optional) Email me about changes to this bug report Also data error affects project (?) Also affects distribution/package Nominate for series Bug Description I think I found a bug on my HP Pavilion DV1000 laptop with 10.10 beta. I boot off the live cd and it starts fine until it says the following: (note: this is read from one computer and typed on another so there may be data error in typos) BusyBox v1.15.3 (Ubuntu 1:1.15.3-1ubuntu4) built-in shell (ash) Enter 'help' for a list of built in commands. (initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: input/output error Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs udevd[74]: worker [395] failed while handling '/devices/virtual/block/loop0' That is it. If this is a bug and who ever needs more info I am glad to do so. Harrison See original description Add tags Tag help Harrison (harrbis) on 2010-09-13 description: updated Monkey (monkey-libre) wrote on 2010-09-13: #1 Thank you for taking the time to report this bug and helping to make Ubuntu better. While we appreciate the difficulties you are facing, it would appear that the CD image (ISO file) you downloaded could be corrupt. There is an easy way to verify the integrity of the Ubuntu ISO files you download. Could you please visit https://help.ubuntu.com/community/HowToMD5SUM follow the instructions and report back as to whether or not the MD5SUM verified? Thanks in advance. Changed in ubuntu: status: New → Incomplete Harrison (harrbis) wrote on 2010-09-1
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