When booting from external usb dvd writer: 1) Hit Shift to display grub menu
2) Choose "Check disk for defects" 3) After some seconds it will display: Check finished: errors found in 1 files! Press any key to reboot your system PLEASE UBUNTU tell me what file is corrupt! I hate that you take away from the debug information! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/172937 Title: SQUASHFS error while booting from live cd Status in linux package in Ubuntu: Won't Fix Status in linux package in Fedora: Won't Fix Status in linux package in Mandriva: Invalid Bug description: Some users have reported being unable to boot from the Ubuntu LiveCD, due to SquasFS errors like this: [ 135.292409] SQUASHFS error: sb_bread failed reading block 0x9d7f3 [ 135.292411] SQUASHFS error: Unable to read fragment cache block [275faa28] [ 135.292413] SQUASHFS error: Unable to read page, block 275faa28, size 23a7 These errors can be due to a variety of reasons: * bad media (solution: try burning the iso image to a new disc) * a bad dvd drive (solution: if possible, try using a different cd/dvd drive) * bad memory modules (solution: use memtest86+ to check your memory) * a corrupted iso image (solution: run an md5 checksum, and if they don't match, download the iso image again) * an optical drive connected via SATA instead of PATA and running in Enhanced mode (solution: change the IDE configuration to "compatible" in the BIOS) This is all described in more detail here: https://help.ubuntu.com/community/SquashfsErrors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/172937/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp