The log is full of this kind of thing:
Mar 23 17:46:57 ubuntu kernel: [ 179.202683] sr 0:0:0:0: [sr0] Unhandled sense
code
Mar 23 17:46:57 ubuntu kernel: [ 179.202691] sr 0:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar 23 17:46:57 ubuntu kernel: [ 179.202699] sr 0:0:0:0: [sr0] Sense Key :
Medium Error [current]
Mar 23 17:46:57 ubuntu kernel: [ 179.202709] Info fld=0x41035
Mar 23 17:46:57 ubuntu kernel: [ 179.202713] sr 0:0:0:0: [sr0] Add. Sense:
Unrecovered read error
Mar 23 17:46:57 ubuntu kernel: [ 179.202723] sr 0:0:0:0: [sr0] CDB: Read(10):
28 00 00 04 10 30 00 00 08 00
Mar 23 17:46:57 ubuntu kernel: [ 179.202742] end_request: I/O error, dev sr0,
sector 1065172
Mar 23 17:46:57 ubuntu kernel: [ 179.202749] quiet_error: 1 callbacks
suppressed
Mar 23 17:46:57 ubuntu kernel: [ 179.202755] Buffer I/O error on device sr0,
logical block 266293
Mar 23 17:46:57 ubuntu kernel: [ 179.202762] Buffer I/O error on device sr0,
logical block 266294
Mar 23 17:46:57 ubuntu kernel: [ 179.202768] Buffer I/O error on device sr0,
logical block 266295
Mar 23 17:46:59 ubuntu kernel: [ 180.750755] sr 0:0:0:0: [sr0] Unhandled sense
code
Mar 23 17:46:59 ubuntu kernel: [ 180.750760] sr 0:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar 23 17:46:59 ubuntu kernel: [ 180.750765] sr 0:0:0:0: [sr0] Sense Key :
Medium Error [current]
Mar 23 17:46:59 ubuntu kernel: [ 180.750771] Info fld=0x41035
Mar 23 17:46:59 ubuntu kernel: [ 180.750774] sr 0:0:0:0: [sr0] Add. Sense:
Unrecovered read error
Mar 23 17:46:59 ubuntu kernel: [ 180.750780] sr 0:0:0:0: [sr0] CDB: Read(10):
28 00 00 04 10 35 00 00 01 00
Mar 23 17:46:59 ubuntu kernel: [ 180.750794] end_request: I/O error, dev sr0,
sector 1065172
Mar 23 17:46:59 ubuntu kernel: [ 180.750800] Buffer I/O error on device sr0,
logical block 266293
Mar 23 17:46:59 ubuntu kernel: [ 180.750874] SQUASHFS error:
squashfs_read_data failed to read block 0x1cd1e6df
Mar 23 17:46:59 ubuntu kernel: [ 180.750881] SQUASHFS error: Unable to read
fragment cache entry [1cd1e6df]
Mar 23 17:46:59 ubuntu kernel: [ 180.750892] SQUASHFS error: Unable to read
page, block 1cd1e6df, size bdcd
This indicates 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/741232
Title:
hard crash installing Kubuntu desktop i386 20110321
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