The installer crashed and couldn't complete installing ubuntu in my hard disk

[Shyam]

sts on /dev/sda1
May 6 14:27:57 ubuntu 50mounted-tests: debug: mounted using GRUB ntfs filesystem driver
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/05efi
May 6 14:27:57 ubuntu 05efi: debug: Not on UEFI platform
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10freedos
May 6 14:27:57 ubuntu 10freedos: debug: /dev/sda1 is not a FAT partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10qnx
May 6 14:27:57 ubuntu 10qnx: debug: /dev/sda1 is not a QNX4 partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20macosx
May 6 14:27:57 ubuntu macosx-prober: debug: /dev/sda1 is not an HFS+ partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20microsoft
May 6 14:27:57 ubuntu 20microsoft: debug: /dev/sda1 is a NTFS partition
May 6 14:27:57 ubuntu 20microsoft: result: /dev/sda1:Windows Vista:Windows:chain
May 6 14:27:57 ubuntu 50mounted-tests: debug: os found by subtest /usr/lib/os-probes/mounted/20microsoft
May 6 14:27:57 ubuntu systemd[1]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:57 ubuntu systemd[1829]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:57 ubuntu os-prober: debug: os detected by /usr/lib/os-probes/50mounted-tests
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/10zvol-test on /dev/sda2
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda2
May 6 14:27:57 ubuntu 50mounted-tests: debug: mounted using GRUB ntfs filesystem driver
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/05efi
May 6 14:27:57 ubuntu 05efi: debug: Not on UEFI platform
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10freedos
May 6 14:27:57 ubuntu 10freedos: debug: /dev/sda2 is not a FAT partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10qnx
May 6 14:27:57 ubuntu 10qnx: debug: /dev/sda2 is not a QNX4 partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20macosx
May 6 14:27:57 ubuntu macosx-prober: debug: /dev/sda2 is not an HFS+ partition: exiting
May 6 14:27:57 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20microsoft
May 6 14:27:57 ubuntu 20microsoft: debug: /dev/sda2 is a NTFS partition
May 6 14:27:57 ubuntu 20microsoft: result: /dev/sda2:Windows 10:Windows1:chain
May 6 14:27:57 ubuntu 50mounted-tests: debug: os found by subtest /usr/lib/os-probes/mounted/20microsoft
May 6 14:27:57 ubuntu systemd[1829]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:57 ubuntu systemd[1]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:57 ubuntu os-prober: debug: os detected by /usr/lib/os-probes/50mounted-tests
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/05efi on mounted /dev/sdb1
May 6 14:27:57 ubuntu 05efi: debug: Not on UEFI platform
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/10freedos on mounted /dev/sdb1
May 6 14:27:57 ubuntu 10freedos: debug: /dev/sdb1 is a FAT32 partition
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/10qnx on mounted /dev/sdb1
May 6 14:27:57 ubuntu 10qnx: debug: /dev/sdb1 is not a QNX4 partition: exiting
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/20macosx on mounted /dev/sdb1
May 6 14:27:57 ubuntu macosx-prober: debug: /dev/sdb1 is not an HFS+ partition: exiting
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/20microsoft on mounted /dev/sdb1
May 6 14:27:57 ubuntu 20microsoft: debug: /dev/sdb1 is a FAT32 partition
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/30utility on mounted /dev/sdb1
May 6 14:27:57 ubuntu 30utility: debug: /dev/sdb1 is a FAT32 partition
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/40lsb on mounted /dev/sdb1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/70hurd on mounted /dev/sdb1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/80minix on mounted /dev/sdb1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/83haiku on mounted /dev/sdb1
May 6 14:27:57 ubuntu 83haiku: debug: /dev/sdb1 is not a BeFS partition: exiting
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/90linux-distro on mounted /dev/sdb1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/90solaris on mounted /dev/sdb1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/10zvol-test on /dev/sdc1
May 6 14:27:57 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sdc1
May 6 14:27:58 ubuntu 50mounted-tests: debug: mounted using GRUB ntfs filesystem driver
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/05efi
May 6 14:27:58 ubuntu 05efi: debug: Not on UEFI platform
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10freedos
May 6 14:27:58 ubuntu 10freedos: debug: /dev/sdc1 is not a FAT partition: exiting
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10qnx
May 6 14:27:58 ubuntu 10qnx: debug: /dev/sdc1 is not a QNX4 partition: exiting
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20macosx
May 6 14:27:58 ubuntu macosx-prober: debug: /dev/sdc1 is not an HFS+ partition: exiting
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20microsoft
May 6 14:27:58 ubuntu 20microsoft: debug: /dev/sdc1 is a NTFS partition
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/30utility
May 6 14:27:58 ubuntu 30utility: debug: /dev/sdc1 is not a FAT partition: exiting
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/40lsb
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/70hurd
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/80minix
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/83haiku
May 6 14:27:58 ubuntu 83haiku: debug: /dev/sdc1 is not a BeFS partition: exiting
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90linux-distro
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90solaris
May 6 14:27:58 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/efi
May 6 14:27:58 ubuntu systemd[1]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:58 ubuntu systemd[1829]: target-var-lib-os\x2dprober-mount.mount: Succeeded.
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/05efi on mounted /dev/sdc2
May 6 14:27:58 ubuntu 05efi: debug: Not on UEFI platform
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/10freedos on mounted /dev/sdc2
May 6 14:27:58 ubuntu 10freedos: debug: /dev/sdc2 is a FAT32 partition
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/10qnx on mounted /dev/sdc2
May 6 14:27:58 ubuntu 10qnx: debug: /dev/sdc2 is not a QNX4 partition: exiting
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/20macosx on mounted /dev/sdc2
May 6 14:27:58 ubuntu macosx-prober: debug: /dev/sdc2 is not an HFS+ partition: exiting
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/20microsoft on mounted /dev/sdc2
May 6 14:27:58 ubuntu 20microsoft: debug: /dev/sdc2 is a FAT32 partition
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/30utility on mounted /dev/sdc2
May 6 14:27:58 ubuntu 30utility: debug: /dev/sdc2 is a FAT32 partition
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/40lsb on mounted /dev/sdc2
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/70hurd on mounted /dev/sdc2
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/80minix on mounted /dev/sdc2
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/83haiku on mounted /dev/sdc2
May 6 14:27:58 ubuntu 83haiku: debug: /dev/sdc2 is not a BeFS partition: exiting
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/90linux-distro on mounted /dev/sdc2
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/mounted/90solaris on mounted /dev/sdc2
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/10zvol-test on /dev/sdc3
May 6 14:27:58 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sdc3
May 6 14:27:58 ubuntu 50mounted-tests: debug: /dev/sdc3 type not recognised; skipping
May 6 14:27:58 ubuntu os-prober: debug: os detected by /usr/lib/os-probes/50mounted-tests
May 6 14:28:03 ubuntu systemd[1]: target-dev-pts.mount: Succeeded.
May 6 14:28:03 ubuntu systemd[1829]: target-dev-pts.mount: Succeeded.
May 6 14:28:03 ubuntu ubiquity: dpkg-divert: warning: diverting file '/sbin/start-stop-daemon' from an Essential package with rename is dangerous, use --no-rename
May 6 14:28:03 ubuntu /usr/bin/in-target: warning: /target/etc/mtab won't be updated since it is a symlink.
May 6 14:28:04 ubuntu in-target: Sourcing file `/etc/default/grub'
May 6 14:28:05 ubuntu in-target: Sourcing file `/etc/default/grub.d/init-select.cfg'
May 6 14:28:10 ubuntu systemd[1]: target-dev-pts.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1829]: target-dev-pts.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1]: target-run.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1829]: target-run.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1]: target-proc.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1829]: target-proc.mount: Succeeded.
May 6 14:28:10 ubuntu ubiquity: umount: /target/proc: not mounted.
May 6 14:28:10 ubuntu /plugininstall.py: log-output -t ubiquity umount -f /target/proc
May 6 14:28:10 ubuntu systemd[1]: target-sys.mount: Succeeded.
May 6 14:28:10 ubuntu /plugininstall.py: log-output -t ubiquity umount -f /target/sys
May 6 14:28:10 ubuntu systemd[1829]: target-sys.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1]: target-dev.mount: Succeeded.
May 6 14:28:10 ubuntu systemd[1829]: target-dev.mount: Succeeded.
May 6 14:28:10 ubuntu /plugininstall.py: log-output -t ubiquity umount -f /target/dev
May 6 14:28:10 ubuntu ubiquity: umount: /target/run: not mounted.
May 6 14:28:10 ubuntu /plugininstall.py: log-output -t ubiquity umount -f /target/run
May 6 14:28:10 ubuntu ubiquity: umount: /target/sys/firmware/efi/efivars: no mount point specified.
May 6 14:28:10 ubuntu /plugininstall.py: log-output -t ubiquity umount -f /target/sys/firmware/efi/efivars
May 6 14:28:18 ubuntu /plugininstall.py: log-output -t ubiquity chroot /target mount -t proc proc /proc
May 6 14:28:18 ubuntu /plugininstall.py: log-output -t ubiquity chroot /target mount -t sysfs sysfs /sys
May 6 14:28:18 ubuntu /plugininstall.py: log-output -t ubiquity mount --bind /dev /target/dev
May 6 14:28:18 ubuntu /plugininstall.py: log-output -t ubiquity mount --bind /run /target/run
May 6 14:28:18 ubuntu systemd[1]: Starting ZSYS daemon service...
May 6 14:28:18 ubuntu systemd[1]: Started ZSYS daemon service.
May 6 14:28:19 ubuntu ubiquity: (Reading database ... #015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 5%#015(Reading database ... 10%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 15%#015(Reading database ... 20%#015(Reading database ... 25%#015(Reading database ... 30%#015(Reading database ... 35%#015(Reading database ... 40%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 45%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 50%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 55%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 60%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 65%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 70%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 75%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 80%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 85%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 90%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 95%#015
May 6 14:28:19 ubuntu ubiquity: (Reading database ... 100%#015(Reading database ... 189765 files and directories currently installed.)#015
May 6 14:28:19 ubuntu ubiquity: Removing btrfs-progs (5.4.1-2) ...#015
May 6 14:28:28 ubuntu ubiquity: update-initramfs: deferring update (trigger activated)#015
May 6 14:28:29 ubuntu ubiquity: Removing lupin-casper (0.57build1) ...#015
May 6 14:28:30 ubuntu ubiquity: Removing casper (1.445.1) ...#015
May 6 14:28:44 ubuntu ubiquity: Running in chroot, ignoring request: daemon-reload#015
May 6 14:29:06 ubuntu ubiquity: Running in chroot, ignoring request: daemon-reload#015
May 6 14:29:06 ubuntu ubiquity: Removing cifs-utils (2:6.9-1ubuntu0.1) ...#015
May 6 14:29:18 ubuntu systemd[1]: zsysd.service: Succeeded.
May 6 14:30:01 ubuntu CRON[28683]: (root) CMD ([ -x /etc/init.d/anacron ] && if [ ! -d /run/systemd/system ]; then /usr/sbin/invoke-rc.d anacron start >/dev/null; fi)
May 6 14:30:15 ubuntu ubiquity: Removing cryptsetup-initramfs (2:2.2.2-3ubuntu2.3) ...#015
May 6 14:30:22 ubuntu ubiquity: update-initramfs: deferring update (trigger activated)#015
May 6 14:30:22 ubuntu ubiquity: update-initramfs: deferring update (trigger activated)#015
May 6 14:30:22 ubuntu ubiquity: Removing cryptsetup-run (2:2.2.2-3ubuntu2.3) ...#015
May 6 14:30:23 ubuntu ubiquity: Removing lvm2 (2.03.07-1ubuntu1) ...#015
May 6 14:30:24 ubuntu PackageKit: daemon quit
May 6 14:30:24 ubuntu systemd[1]: packagekit.service: Succeeded.
May 6 14:30:26 ubuntu ubiquity: /usr/sbin/policy-rc.d returned 101, not running 'stop blk-availability.service lvm2-monitor.service'#015
May 6 14:30:26 ubuntu ubiquity: Running in chroot, ignoring request.#015
May 6 14:30:26 ubuntu ubiquity: invoke-rc.d: policy-rc.d denied execution of stop.#015
May 6 14:31:12 ubuntu ubiquity: Running in chroot, ignoring request: daemon-reload#015
May 6 14:31:12 ubuntu ubiquity: message repeated 2 times: [ Running in chroot, ignoring request: daemon-reload#015]
May 6 14:31:12 ubuntu ubiquity: Removing dmraid (1.0.0.rc16-8ubuntu3) ...#015
May 6 14:31:12 ubuntu ubiquity: update-initramfs: deferring update (trigger activated)#015
May 6 14:31:12 ubuntu ubiquity: Removing finalrd (6~ubuntu20.04.1) ...#015
May 6 14:31:12 ubuntu ubiquity: /usr/sbin/policy-rc.d returned 101, not running 'stop finalrd.service'#015
May 6 14:31:14 ubuntu ubiquity: Running in chroot, ignoring request: daemon-reload#015
May 6 14:31:14 ubuntu ubiquity: Running in chroot, ignoring request: daemon-reload#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-de (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-es (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-fr (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-it (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-pt (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-ru (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing firefox-locale-zh-hans (85.0.1+build1-0ubuntu0.20.04.1) ...#015
May 6 14:31:14 ubuntu ubiquity: Removing fonts-arphic-ukai (0.2.20080216.2-5) ...#015
May 6 14:31:45 ubuntu ubiquity: Removing fonts-arphic-uming (0.2.20080216.2-10ubuntu2) ...#015
May 6 14:32:13 ubuntu ubiquity: Removing gnome-getting-started-docs-de (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:14 ubuntu ubiquity: Removing gnome-getting-started-docs-es (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:15 ubuntu ubiquity: Removing gnome-getting-started-docs-fr (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:17 ubuntu ubiquity: Removing gnome-getting-started-docs-it (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:18 ubuntu ubiquity: Removing gnome-getting-started-docs-pt (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:19 ubuntu ubiquity: Removing gnome-getting-started-docs-ru (3.36.2-0ubuntu0.1) ...#015
May 6 14:32:21 ubuntu ubiquity: Removing gnome-user-docs-de (3.36.2+git20200704-0ubuntu0.1) ...#015
May 6 14:33:04 ubuntu kernel: [ 3144.518967] sd 7:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=25s
May 6 14:33:04 ubuntu kernel: [ 3144.518976] sd 7:0:0:0: [sdc] tag#0 Sense Key : Medium Error [current]
May 6 14:33:04 ubuntu kernel: [ 3144.518982] sd 7:0:0:0: [sdc] tag#0 Add. Sense: Unrecovered read error
May 6 14:33:04 ubuntu kernel: [ 3144.518990] sd 7:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 71 3b 19 08 00 00 f0 00
May 6 14:33:04 ubuntu kernel: [ 3144.518998] blk_update_request: critical medium error, dev sdc, sector 1899698440 op 0x0:(READ) flags 0x84700 phys_seg 30 prio class 0
May 6 14:33:28 ubuntu kernel: [ 3168.340773] sd 7:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=48s
May 6 14:33:28 ubuntu kernel: [ 3168.340782] sd 7:0:0:0: [sdc] tag#0 Sense Key : Medium Error [current]
May 6 14:33:28 ubuntu kernel: [ 3168.340788] sd 7:0:0:0: [sdc] tag#0 Add. Sense: Unrecovered read error
May 6 14:33:28 ubuntu kernel: [ 3168.340796] sd 7:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 71 3b 19 10 00 00 e8 00
May 6 14:33:28 ubuntu kernel: [ 3168.340805] blk_update_request: critical medium error, dev sdc, sector 1899698448 op 0x0:(READ) flags 0x84000 phys_seg 29 prio class 0
May 6 14:33:33 ubuntu ubiquity: Removing gnome-user-docs-es (3.36.2+git20200704-0ubuntu0.1) ...#015
May 6 14:33:58 ubuntu ubiquity: Removing gnome-user-docs-fr (3.36.2+git20200704-0ubuntu0.1) ...#015
May 6 14:33:58 ubuntu ubiquity: Removing gnome-user-docs-it (3.36.2+git20200704-0ubuntu0.1) ...#015
May 6 14:33:59 ubuntu ubiquity: Removing gnome-user-docs-pt (3.36.2+git20200704-0ubuntu0.1) ...#015
May 6 14:34:42 ubuntu kernel: [ 3241.711644] sd 7:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=24s
May 6 14:34:42 ubuntu kernel: [ 3241.711654] sd 7:0:0:0: [sdc] tag#0 Sense Key : Medium Error [current]
May 6 14:34:42 ubuntu kernel: [ 3241.711660] sd 7:0:0:0: [sdc] tag#0 Add. Sense: Unrecovered read error
May 6 14:34:42 ubuntu kernel: [ 3241.711668] sd 7:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 71 3b 19 10 00 00 e8 00
May 6 14:34:42 ubuntu kernel: [ 3241.711676] blk_update_request: critical medium error, dev sdc, sector 1899698448 op 0x0:(READ) flags 0x80000 phys_seg 29 prio class 0
May 6 14:34:42 ubuntu kernel: [ 3241.711730] EXT4-fs error (device sdc5): __ext4_get_inode_loc:4398: inode #10616871: block 42467362: comm dpkg: unable to read itable block
May 6 14:34:42 ubuntu kernel: [ 3241.924741] Aborting journal on device sdc5-8.
May 6 14:34:42 ubuntu kernel: [ 3241.927688] EXT4-fs (sdc5): Remounting filesystem read-only
May 6 14:34:42 ubuntu kernel: [ 3241.927705] EXT4-fs error (device sdc5) in ext4_reserve_inode_write:5662: IO failure
May 6 14:34:42 ubuntu kernel: [ 3241.929738] EXT4-fs error (device sdc5): ext4_rmdir:3170: inode #10616871: comm dpkg: mark_inode_dirty error
May 6 14:34:42 ubuntu kernel: [ 3241.931575] EXT4-fs error (device sdc5) in ext4_rmdir:3186: IO failure
May 6 14:34:42 ubuntu ubiquity: dpkg: error processing package gnome-user-docs-pt (--remove):#015
May 6 14:34:42 ubuntu ubiquity: cannot remove '/target/usr/share/help/pt_BR/system-admin-guide': Input/output error#015
May 6 14:34:42 ubuntu ubiquity: dpkg: too many errors, stopping#015
May 6 14:34:42 ubuntu ubiquity: dpkg: error: unable to create new file '/target//var/lib/dpkg/status-new': Read-only file system#015
May 6 14:34:42 ubuntu ubiquity: dpkg: error: unable to access the dpkg database directory /target//var/lib/dpkg: Read-only file system
May 6 14:34:42 ubuntu dbus-daemon[1618]: [system] Activating via systemd: service name='org.freedesktop.PackageKit' unit='packagekit.service' requested by ':1.78' (uid=0 pid=28761 comm="/usr/bin/gdbus call --system --dest org.freedeskto" label="unconfined")
May 6 14:34:42 ubuntu systemd[1]: Starting PackageKit Daemon...
May 6 14:34:42 ubuntu PackageKit: daemon start
May 6 14:34:42 ubuntu dbus-daemon[1618]: [system] Successfully activated service 'org.freedesktop.PackageKit'
May 6 14:34:42 ubuntu systemd[1]: Started PackageKit Daemon.
May 6 14:34:42 ubuntu systemd[1]: Starting ZSYS daemon service...
May 6 14:34:42 ubuntu systemd[1]: Started ZSYS daemon service.
May 6 14:34:53 ubuntu ubiquity[1933]: Reverting lockdown of the desktop environment.
May 6 14:34:53 ubuntu activate-dmraid: No Serial ATA RAID disks detected
May 6 14:34:53 ubuntu /plugininstall.py: Traceback (most recent call last):
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1030, in do_remove
May 6 14:34:53 ubuntu /plugininstall.py: if not cache.commit(fetchprogress, installprogress):
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/apt/cache.py", line 682, in commit
May 6 14:34:53 ubuntu /plugininstall.py: res = self.install_archives(pm, install_progress)
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/apt/cache.py", line 628, in install_archives
May 6 14:34:53 ubuntu /plugininstall.py: res = install_progress.run(pm)
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/lib/ubiquity/ubiquity/install_misc.py", line 418, in run
May 6 14:34:53 ubuntu /plugininstall.py: res = pm.do_install(self.write_stream.fileno())
May 6 14:34:53 ubuntu /plugininstall.py: apt_pkg.Error: E:Sub-process /usr/bin/dpkg returned an error code (2), E:Sub-process dpkg --set-selections returned an error code (2), E:Couldn't revert dpkg selection for approved remove/purge after an error was encountered!, W:Problem unlinking the file /target/var/cache/apt/pkgcache.bin - pkgDPkgPM::Go (30: Read-only file system)
May 6 14:34:53 ubuntu /plugininstall.py:
May 6 14:34:53 ubuntu systemd[1]: target-sys.mount: Succeeded.
May 6 14:34:53 ubuntu systemd[1829]: target-sys.mount: Succeeded.
May 6 14:34:53 ubuntu /plugininstall.py: log-output -t ubiquity chroot /target umount /sys
May 6 14:34:53 ubuntu systemd[1829]: target-proc.mount: Succeeded.
May 6 14:34:53 ubuntu systemd[1]: target-proc.mount: Succeeded.
May 6 14:34:53 ubuntu /plugininstall.py: log-output -t ubiquity chroot /target umount /proc
May 6 14:34:53 ubuntu systemd[1829]: target-run.mount: Succeeded.
May 6 14:34:53 ubuntu systemd[1]: target-run.mount: Succeeded.
May 6 14:34:53 ubuntu /plugininstall.py: log-output -t ubiquity umount /target/run
May 6 14:34:53 ubuntu /plugininstall.py: log-output -t ubiquity umount /target/dev
May 6 14:34:53 ubuntu systemd[1829]: target-dev.mount: Succeeded.
May 6 14:34:53 ubuntu systemd[1]: target-dev.mount: Succeeded.
May 6 14:34:53 ubuntu /plugininstall.py: log-output -t ubiquity umount /target/cdrom
May 6 14:34:53 ubuntu systemd[1]: target-cdrom.mount: Succeeded.
May 6 14:34:53 ubuntu systemd[1829]: target-cdrom.mount: Succeeded.
May 6 14:34:53 ubuntu finish-install: Disabling CDROM entries in sources.list
May 6 14:34:53 ubuntu ubiquity: sed: couldn't open temporary file /target/etc/apt/sedMyXLPe: Read-only file system
May 6 14:34:53 ubuntu /plugininstall.py: Exception during installation:
May 6 14:34:53 ubuntu /plugininstall.py: Traceback (most recent call last):
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1767, in <module>
May 6 14:34:53 ubuntu /plugininstall.py: install.run()
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 62, in wrapper
May 6 14:34:53 ubuntu /plugininstall.py: func(self)
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 244, in run
May 6 14:34:53 ubuntu /plugininstall.py: self.remove_extras()
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1486, in remove_extras
May 6 14:34:53 ubuntu /plugininstall.py: self.do_remove(regular)
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1041, in do_remove
May 6 14:34:53 ubuntu /plugininstall.py: install_misc.chroot_cleanup(self.target)
May 6 14:34:53 ubuntu /plugininstall.py: File "/usr/lib/ubiquity/ubiquity/install_misc.py", line 206, in chroot_cleanup
May 6 14:34:53 ubuntu /plugininstall.py: os.rename('%s.REAL' % start_stop_daemon, start_stop_daemon)
May 6 14:34:53 ubuntu /plugininstall.py: OSError: [Errno 30] Read-only file system: '/target/sbin/start-stop-daemon.REAL' -> '/target/sbin/start-stop-daemon'
May 6 14:34:53 ubuntu /plugininstall.py:
May 6 14:35:15 ubuntu systemd[1829]: target-boot-efi.mount: Succeeded.
May 6 14:35:15 ubuntu systemd[1]: target-boot-efi.mount: Succeeded.
May 6 14:35:15 ubuntu ubiquity: umount: /target: target is busy.
May 6 14:35:16 ubuntu ubiquity: XDG_RUNTIME_DIR (/run/user/999) is not owned by us (uid 0), but by uid 999! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
May 6 14:35:35 ubuntu ubiquity: message repeated 6 times: [ XDG_RUNTIME_DIR (/run/user/999) is not owned by us (uid 0), but by uid 999! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)]
May 6 14:35:42 ubuntu systemd[1]: zsysd.service: Succeeded.
May 6 14:35:43 ubuntu rtkit-daemon[1864]: Supervising 3 threads of 1 processes of 1 users.
May 6 14:35:44 ubuntu rtkit-daemon[1864]: message repeated 5 times: [ Supervising 3 threads of 1 processes of 1 users.]
May 6 14:35:44 ubuntu rtkit-daemon[1864]: Successfully made thread 29831 of process 29718 owned by '999' RT at priority 10.
May 6 14:35:44 ubuntu rtkit-daemon[1864]: Supervising 4 threads of 2 processes of 1 users.
May 6 14:35:46 ubuntu rtkit-daemon[1864]: message repeated 8 times: [ Supervising 4 threads of 2 processes of 1 users.]
May 6 14:37:49 ubuntu dbus-daemon[1843]: [session uid=999 pid=1843] Activating via systemd: service name='org.gnome.Terminal' unit='gnome-terminal-server.service' requested by ':1.72' (uid=999 pid=30015 comm="/usr/bin/gnome-terminal.real " label="unconfined")
May 6 14:37:49 ubuntu systemd[1829]: Created slice apps.slice.
May 6 14:37:49 ubuntu systemd[1829]: Created slice apps-org.gnome.Terminal.slice.
May 6 14:37:49 ubuntu systemd[1829]: Starting GNOME Terminal Server...
May 6 14:37:49 ubuntu dbus-daemon[1843]: [session uid=999 pid=1843] Successfully activated service 'org.gnome.Terminal'
May 6 14:37:49 ubuntu systemd[1829]: Started GNOME Terminal Server.
May 6 14:37:49 ubuntu systemd[1829]: Started VTE child process 30026 launched by gnome-terminal-server process 30018.
ubuntu@ubuntu:/$

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15.10
ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-43-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckMismatches: ./pool/main/l/lupin/lupin-support_0.57build1_amd64.deb
CasperMD5CheckResult: skip
CasperVersion: 1.445.1
CurrentDesktop: ubuntu:GNOME
Date: Thu May 6 20:05:15 2021
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
LiveMediaBuild: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 LC_NUMERIC=C.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Marc Deslauriers (mdeslaur)]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.