can't install

[sanalvv]

grub instalaton failed

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.16 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
CasperVersion: 1.315
Date: Sun Mar 30 20:58:18 2014
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcEnviron:
 LANGUAGE=en_IN
 TERM=linux
 PATH=(custom, no user)
 LANG=en_IN
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Jörg Frings-Fürst (jff-de)]

Hi,

from your syslog:

#####
Mar 30 20:23:24 ubuntu kernel: [ 21.323050] ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 30 20:23:24 ubuntu kernel: [ 21.323052] ata7.00: BMDMA stat 0x24
Mar 30 20:23:24 ubuntu kernel: [ 21.323054] ata7.00: failed command: READ DMA
Mar 30 20:23:24 ubuntu kernel: [ 21.323057] ata7.00: cmd c8/00:08:47:00:60/00:00:00:00:00/e0 tag 0 dma 4096 in
Mar 30 20:23:24 ubuntu kernel: [ 21.323058] res 51/40:00:49:00:60/00:00:00:00:00/e0 Emask 0x9 (media error)
Mar 30 20:23:24 ubuntu kernel: [ 21.323059] ata7.00: status: { DRDY ERR }
Mar 30 20:23:24 ubuntu kernel: [ 21.323061] ata7.00: error: { UNC }
Mar 30 20:23:24 ubuntu kernel: [ 21.448877] ata7.00: configured for UDMA/33
Mar 30 20:23:24 ubuntu kernel: [ 21.448887] sd 6:0:0:0: [sdb] Unhandled sense code
Mar 30 20:23:24 ubuntu kernel: [ 21.448888] sd 6:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar 30 20:23:24 ubuntu kernel: [ 21.448891] sd 6:0:0:0: [sdb] Sense Key : Medium Error [current] [descriptor]
Mar 30 20:23:24 ubuntu kernel: [ 21.448893] Descriptor sense data with sense descriptors (in hex):
Mar 30 20:23:24 ubuntu kernel: [ 21.448895] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
Mar 30 20:23:24 ubuntu kernel: [ 21.448900] 00 60 00 49
Mar 30 20:23:24 ubuntu kernel: [ 21.448902] sd 6:0:0:0: [sdb] Add. Sense: Unrecovered read error - auto reallocate failed
Mar 30 20:23:24 ubuntu kernel: [ 21.448905] sd 6:0:0:0: [sdb] CDB: Read(10): 28 00 00 60 00 47 00 00 08 00
Mar 30 20:23:24 ubuntu kernel: [ 21.448910] end_request: I/O error, dev sdb, sector 6291529
Mar 30 20:23:24 ubuntu kernel: [ 21.448912] Buffer I/O error on device sdb1, logical block 6291466
Mar 30 20:23:24 ubuntu kernel: [ 21.448914] Buffer I/O error on device sdb1, logical block 6291467
Mar 30 20:23:24 ubuntu kernel: [ 21.448916] Buffer I/O error on device sdb1, logical block 6291468
Mar 30 20:23:24 ubuntu kernel: [ 21.448917] Buffer I/O error on device sdb1, logical block 6291469
Mar 30 20:23:24 ubuntu kernel: [ 21.448919] Buffer I/O error on device sdb1, logical block 6291470
Mar 30 20:23:24 ubuntu kernel: [ 21.448921] Buffer I/O error on device sdb1, logical block 6291471
#####

Your Drive sdb has a lot of errors. Please test it first.

Since it is a hardware problem, I set the status to invalid

Jörg