Just spotting interesting spots in the log to facilitate debugging: Oct 10 15:40:41 ubuntu kernel: [ 534.119072] cdrom: open failed. Oct 10 15:41:19 ubuntu kernel: [ 553.359000] gparted[8943]: segfault at fffffffffffffec8 rip 000000000045982f rsp 00007fffff9cbcd0 error 4 Oct 10 15:41:21 ubuntu kernel: [ 554.229428] cdrom: open failed. ... Oct 10 15:59:25 ubuntu choose-mirror[14857]: INFO: base system installable from CD; skipping mirror check Oct 10 15:59:25 ubuntu choose-mirror[14857]: INFO: falling back to codename dapper Oct 10 15:59:53 ubuntu os-prober: debug: running init /usr/lib/os-probes/init/10filesystems Oct 10 16:00:19 ubuntu kernel: [ 1144.516747] QNX4 filesystem 0.2.3 registered. Oct 10 16:00:19 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/hda1 Oct 10 16:00:19 ubuntu kernel: [ 1144.650472] cramfs: wrong magic Oct 10 16:00:19 ubuntu kernel: [ 1144.660476] Unable to identify CD-ROM format. Oct 10 16:00:19 ubuntu kernel: [ 1144.666872] SQUASHFS error: Can't find a SQUASHFS superblock on hda1
Just spotting interesting spots in the log to facilitate debugging: mirror[ 14857]: INFO: base system installable from CD; skipping mirror check mirror[ 14857]: INFO: falling back to codename dapper os-probes/ init/10filesyst ems os-probes/ 50mounted- tests on /dev/hda1
Oct 10 15:40:41 ubuntu kernel: [ 534.119072] cdrom: open failed.
Oct 10 15:41:19 ubuntu kernel: [ 553.359000] gparted[8943]: segfault at fffffffffffffec8 rip 000000000045982f rsp 00007fffff9cbcd0 error 4
Oct 10 15:41:21 ubuntu kernel: [ 554.229428] cdrom: open failed.
...
Oct 10 15:59:25 ubuntu choose-
Oct 10 15:59:25 ubuntu choose-
Oct 10 15:59:53 ubuntu os-prober: debug: running init /usr/lib/
Oct 10 16:00:19 ubuntu kernel: [ 1144.516747] QNX4 filesystem 0.2.3 registered.
Oct 10 16:00:19 ubuntu os-prober: debug: running /usr/lib/
Oct 10 16:00:19 ubuntu kernel: [ 1144.650472] cramfs: wrong magic
Oct 10 16:00:19 ubuntu kernel: [ 1144.660476] Unable to identify CD-ROM format.
Oct 10 16:00:19 ubuntu kernel: [ 1144.666872] SQUASHFS error: Can't find a SQUASHFS superblock on hda1