It appears that the installer is having hardware problems trying to read
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).
The log excerpt showing the CD fault follows:
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] sr 0:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] sr 0:0:0:0: [sr0] Sense Key :
Medium Error [current]
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] sr 0:0:0:0: [sr0] Add. Sense: No
seek complete
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] end_request: I/O error, dev sr0,
sector 1365756
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] Buffer I/O error on device sr0,
logical block 341439
Aug 26 19:52:39 ubuntu klogd: [ 855.473807] Buffer I/O error on device sr0,
logical block 341440
Aug 26 19:52:46 ubuntu klogd: [ 863.232302] sr 0:0:0:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug 26 19:52:46 ubuntu klogd: [ 863.232302] sr 0:0:0:0: [sr0] Sense Key :
Medium Error [current]
Aug 26 19:52:46 ubuntu klogd: [ 863.232302] sr 0:0:0:0: [sr0] Add. Sense: CIRC
unrecovered error
Aug 26 19:52:46 ubuntu klogd: [ 863.232302] end_request: I/O error, dev sr0,
sector 1365756
Aug 26 19:52:46 ubuntu klogd: [ 863.232302] Buffer I/O error on device sr0,
logical block 341439
Aug 26 19:52:47 ubuntu klogd: [ 863.902147] SQUASHFS error: sb_bread failed
reading block 0xa6316
Aug 26 19:52:47 ubuntu klogd: [ 863.902147] SQUASHFS error: Unable to read
fragment cache block [298b8432]
Aug 26 19:52:47 ubuntu klogd: [ 863.902147] SQUASHFS error: Unable to read
page, block 298b8432, size d713
Aug 26 19:52:47 ubuntu klogd: [ 864.901737] SQUASHFS error: sb_bread failed
reading block 0xa6316
Aug 26 19:52:47 ubuntu klogd: [ 864.901737] SQUASHFS error: Unable to read
fragment cache block [298b8432]
Aug 26 19:52:47 ubuntu klogd: [ 864.902120] SQUASHFS error: Unable to read
page, block 298b8432, size d713
Aug 26 19:52:47 ubuntu klogd: [ 864.904416] SQUASHFS error: sb_bread failed
reading block 0xa6316
Aug 26 19:52:47 ubuntu klogd: [ 864.904422] SQUASHFS error: Unable to read
fragment cache block [298b8432]
Aug 26 19:52:47 ubuntu klogd: [ 864.904425] SQUASHFS error: Unable to read
page, block 298b8432, size d713
Aug 26 19:52:47 ubuntu klogd: [ 864.905885] SQUASHFS error: sb_bread failed
reading block 0xa6316
Aug 26 19:52:47 ubuntu klogd: [ 864.905891] SQUASHFS error: Unable to read
fragment cache block [298b8432]
Aug 26 19:52:47 ubuntu klogd: [ 864.905893] SQUASHFS error: Unable to read
page, block 298b8432, size d713
Aug 26 19:52:47 ubuntu klogd: [ 864.906116] SQUASHFS error: sb_bread failed
reading block 0xa6316
Aug 26 19:52:47 ubuntu klogd: [ 864.906116] SQUASHFS error: Unable to read
fragment cache block [298b8432]
Aug 26 19:52:47 ubuntu klogd: [ 864.906116] SQUASHFS error: Unable to read
page, block 298b8432, size d713
Aug 26 19:52:47 ubuntu ubiquity: /usr/lib/ubiquity/apt-setup/apt-setup: 95: mv:
Input/output error
** Visibility changed to: Public
** Changed in: ubiquity (Ubuntu)
Status: New => Invalid
--
ubiquity crashed with InstallStepError in configure_apt()
https://bugs.launchpad.net/bugs/261603
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