Hi, Looking at your logs, it's showing 'medium errors' on your hard drive - i.e. the hard drive looks like it's failing - I suggest you check it with a disk utility or smartctl; I've never seen 'medium errors' being reported for any other type of problem.
Jul 14 17:42:52 ubuntu kernel: [ 1508.592618] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Jul 14 17:42:52 ubuntu kernel: [ 1508.592623] ata1.00: irq_stat 0x40000008 Jul 14 17:42:52 ubuntu kernel: [ 1508.592628] ata1.00: failed command: READ FPDMA QUEUED Jul 14 17:42:52 ubuntu kernel: [ 1508.592635] ata1.00: cmd 60/08:00:c8:79:2a/00:00:04:00:00/40 tag 0 ncq 4096 in Jul 14 17:42:52 ubuntu kernel: [ 1508.592636] res 41/40:08:cd:79:2a/00:00:04:00:00/64 Emask 0x409 (media error) <F> Jul 14 17:42:52 ubuntu kernel: [ 1508.592640] ata1.00: status: { DRDY ERR } Jul 14 17:42:52 ubuntu kernel: [ 1508.592643] ata1.00: error: { UNC } Jul 14 17:42:52 ubuntu kernel: [ 1508.714085] ata1.00: configured for UDMA/100 Jul 14 17:42:52 ubuntu kernel: [ 1508.714098] ata1: EH complete Jul 14 17:43:53 ubuntu kernel: [ 1569.644551] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Jul 14 17:43:53 ubuntu kernel: [ 1569.644556] ata1.00: irq_stat 0x40000008 Jul 14 17:43:53 ubuntu kernel: [ 1569.644561] ata1.00: failed command: READ FPDMA QUEUED Jul 14 17:43:53 ubuntu kernel: [ 1569.644567] ata1.00: cmd 60/08:00:f0:79:2a/00:00:04:00:00/40 tag 0 ncq 4096 in Jul 14 17:43:53 ubuntu kernel: [ 1569.644569] res 41/40:08:f0:79:2a/00:00:04:00:00/64 Emask 0x409 (media error) <F> Jul 14 17:43:53 ubuntu kernel: [ 1569.644573] ata1.00: status: { DRDY ERR } Jul 14 17:43:53 ubuntu kernel: [ 1569.644575] ata1.00: error: { UNC } Jul 14 17:43:53 ubuntu kernel: [ 1569.646357] ata1.00: configured for UDMA/100 ** Changed in: ubiquity (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1024760 Title: I can not install ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1024760/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs