The logs say:
Mar 26 11:26:45 ubuntu kernel: [ 1099.473199] sr 2:0:0:0: [sr0] Unhandled sense
code
Mar 26 11:26:45 ubuntu kernel: [ 1099.473204] sr 2:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar 26 11:26:45 ubuntu kernel: [ 1099.473210] sr 2:0:0:0: [sr0] Sense Key :
Medium Error [current]
Mar 26 11:26:45 ubuntu kernel: [ 1099.473216] sr 2:0:0:0: [sr0] ASC=0x10
<<vendor>> ASCQ=0x90
Mar 26 11:26:45 ubuntu kernel: [ 1099.473224] sr 2:0:0:0: [sr0] CDB: Read(10):
28 00 00 18 6d 9f 00 00 02 00
Mar 26 11:26:45 ubuntu kernel: [ 1099.473236] end_request: I/O error, dev sr0,
sector 6403708
Mar 26 11:26:45 ubuntu kernel: [ 1099.473241] Buffer I/O error on device sr0,
logical block 1600927
Mar 26 11:26:45 ubuntu kernel: [ 1099.473246] Buffer I/O error on device sr0,
logical block 1600928
Mar 26 11:26:54 ubuntu kernel: [ 1108.366023] sr 2:0:0:0: [sr0] Unhandled sense
code
Mar 26 11:26:54 ubuntu kernel: [ 1108.366027] sr 2:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar 26 11:26:54 ubuntu kernel: [ 1108.366032] sr 2:0:0:0: [sr0] Sense Key :
Medium Error [current]
Mar 26 11:26:54 ubuntu kernel: [ 1108.366038] sr 2:0:0:0: [sr0] ASC=0x10
<<vendor>> ASCQ=0x90
Mar 26 11:26:54 ubuntu kernel: [ 1108.366045] sr 2:0:0:0: [sr0] CDB: Read(10):
28 00 00 18 6d 9f 00 00 02 00
Mar 26 11:26:54 ubuntu kernel: [ 1108.366057] end_request: I/O error, dev sr0,
sector 6403708
Mar 26 11:26:54 ubuntu kernel: [ 1108.366062] Buffer I/O error on device sr0,
logical block 1600927
Mar 26 11:26:54 ubuntu kernel: [ 1108.366066] Buffer I/O error on device sr0,
logical block 1600928
Mar 26 11:26:54 ubuntu kernel: [ 1108.366170] SQUASHFS error:
squashfs_read_data failed to read block 0x3d7bca7
Mar 26 11:26:54 ubuntu kernel: [ 1108.366176] SQUASHFS error: Unable to read
data cache entry [3d7bca7]
Mar 26 11:26:54 ubuntu kernel: [ 1108.366180] SQUASHFS error: Unable to read
page, block 3d7bca7, size cbba
This means that there's been a problem reading from the CD. This is
generally due to a faulty CD/DVD disk or drive, rather than being an
installer bug as such. It may help to clean the CD/DVD, to burn the
CD/DVD at a lower speed, or to clean the CD/DVD drive lens (cleaning
kits are often available from electronics suppliers).
** Changed in: ubiquity (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/743063
Title:
installer crashed
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