Sep 3 09:55:25 ubuntu grub-installer: info: architecture: amd64/generic
Sep 3 09:55:28 ubuntu grub-installer: info: Identified partition label for /dev/sda5: msdos
Sep 3 09:55:28 ubuntu grub-installer: dpkg - warning: ignoring request to remove grub-pc which isn't installed.
Sep 3 09:55:29 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda1
Sep 3 09:55:29 ubuntu kernel: [ 1669.584419] EXT3-fs: sda1: couldn't mount because of unsupported optional features (240).
Sep 3 09:55:29 ubuntu kernel: [ 1669.621419] EXT4-fs: barriers enabled
Sep 3 09:55:29 ubuntu kernel: [ 1669.639140] kjournald2 starting. Commit interval 5 seconds
Sep 3 09:55:29 ubuntu kernel: [ 1669.639151] EXT4-fs: delayed allocation enabled
Sep 3 09:55:29 ubuntu kernel: [ 1669.639153] EXT4-fs: file extents enabled
Sep 3 09:55:29 ubuntu kernel: [ 1669.781769] EXT4-fs: mballoc enabled
Sep 3 09:55:29 ubuntu kernel: [ 1669.781776] EXT4-fs: mounted filesystem with ordered data mode.
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: mounted as ext4 filesystem
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10freedos
Sep 3 09:55:29 ubuntu 10freedos: debug: /dev/sda1 is not a FAT partition: exiting
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10qnx
Sep 3 09:55:29 ubuntu 10qnx: debug: /dev/sda1 is not a QNX4 partition: exiting
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20macosx
Sep 3 09:55:29 ubuntu macosx-prober: debug: /dev/sda1 is not an HFS+ partition: exiting
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20microsoft
Sep 3 09:55:29 ubuntu 20microsoft: debug: /dev/sda1 is not a MS partition: exiting
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/30utility
Sep 3 09:55:29 ubuntu 30utility: debug: /dev/sda1 is not a FAT partition: exiting
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/40lsb
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/70hurd
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/80minix
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90linux-distro
Sep 3 09:55:29 ubuntu 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90solaris
Sep 3 09:55:29 ubuntu kernel: [ 1669.903289] EXT4-fs: mballoc: 0 blocks 0 reqs (0 success)
Sep 3 09:55:29 ubuntu kernel: [ 1669.903293] EXT4-fs: mballoc: 0 extents scanned, 0 goal hits, 0 2^N hits, 0 breaks, 0 lost
Sep 3 09:55:29 ubuntu kernel: [ 1669.903295] EXT4-fs: mballoc: 0 generated and it took 0
Sep 3 09:55:29 ubuntu kernel: [ 1669.903297] EXT4-fs: mballoc: 0 preallocated, 0 discarded
Sep 3 09:55:29 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda2
Sep 3 09:55:29 ubuntu kernel: [ 1669.928017] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.928020] sda2: rw=0, want=4, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.928024] EXT3-fs: unable to read superblock
Sep 3 09:55:29 ubuntu kernel: [ 1669.931232] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.931236] sda2: rw=0, want=4, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.931239] EXT4-fs: unable to read superblock
Sep 3 09:55:29 ubuntu kernel: [ 1669.934343] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.934346] sda2: rw=0, want=4, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.934349] EXT2-fs: unable to read superblock
Sep 3 09:55:29 ubuntu kernel: [ 1669.937362] cramfs: wrong magic
Sep 3 09:55:29 ubuntu kernel: [ 1669.947042] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.947046] sda2: rw=0, want=66, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.947049] isofs_fill_super: bread failed, dev=sda2, iso_blknum=16, block=32
Sep 3 09:55:29 ubuntu kernel: [ 1669.950281] SQUASHFS error: Can't find a SQUASHFS superblock on sda2
Sep 3 09:55:29 ubuntu kernel: [ 1669.953717] FAT: bogus number of reserved sectors
Sep 3 09:55:29 ubuntu kernel: [ 1669.953721] VFS: Can't find a valid FAT filesystem on dev sda2.
Sep 3 09:55:29 ubuntu kernel: [ 1669.963354] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.963358] sda2: rw=0, want=72, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.963363] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.963365] sda2: rw=0, want=128, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.966646] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.966650] sda2: rw=0, want=18, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.966655] ReiserFS: sda2: warning: sh-2006: read_super_block: bread failed (dev sda2, block 8, size 1024)
Sep 3 09:55:29 ubuntu kernel: [ 1669.966661] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.966663] sda2: rw=0, want=130, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.966666] ReiserFS: sda2: warning: sh-2006: read_super_block: bread failed (dev sda2, block 64, size 1024)
Sep 3 09:55:29 ubuntu kernel: [ 1669.966669] ReiserFS: sda2: warning: sh-2021: reiserfs_fill_super: can not find reiserfs on sda2
Sep 3 09:55:29 ubuntu kernel: [ 1669.969884] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.969887] sda2: rw=0, want=8, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.969891] XFS: SB read failed
Sep 3 09:55:29 ubuntu kernel: [ 1669.973324] FAT: bogus number of reserved sectors
Sep 3 09:55:29 ubuntu kernel: [ 1669.973328] VFS: Can't find a valid FAT filesystem on dev sda2.
Sep 3 09:55:29 ubuntu kernel: [ 1669.976847] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.976851] sda2: rw=0, want=4, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.976853] MINIX-fs: unable to read superblock
Sep 3 09:55:29 ubuntu kernel: [ 1669.980003] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.980006] sda2: rw=0, want=3, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.980009] hfs: unable to find HFS+ superblock
Sep 3 09:55:29 ubuntu kernel: [ 1669.983177] qnx4: wrong fsid in superblock.
Sep 3 09:55:29 ubuntu kernel: [ 1669.986407] You didn't specify the type of your ufs filesystem
Sep 3 09:55:29 ubuntu kernel: [ 1669.986409]
Sep 3 09:55:29 ubuntu kernel: [ 1669.986409] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
Sep 3 09:55:29 ubuntu kernel: [ 1669.986411]
Sep 3 09:55:29 ubuntu kernel: [ 1669.986411] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
Sep 3 09:55:29 ubuntu kernel: [ 1669.986422] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.986424] sda2: rw=0, want=18, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.989622] attempt to access beyond end of device
Sep 3 09:55:29 ubuntu kernel: [ 1669.989626] sda2: rw=0, want=3, limit=2
Sep 3 09:55:29 ubuntu kernel: [ 1669.989629] hfs: can't find a HFS filesystem on dev sda2.
Sep 3 09:55:29 ubuntu os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda6
Sep 3 09:55:30 ubuntu grub-installer: info: Installing grub on '(hd0)'
Sep 3 09:55:30 ubuntu grub-installer: info: grub-install supports --no-floppy
Sep 3 09:55:30 ubuntu grub-installer: info: Running chroot /target grub-install --no-floppy "(hd0)"
Sep 3 09:55:30 ubuntu grub-installer: Probing devices to guess BIOS drives. This may take a long time.
Sep 3 09:55:30 ubuntu grub-installer: Searching for GRUB installation directory ...
Sep 3 09:55:30 ubuntu grub-installer: found: /boot/grub
Sep 3 09:55:36 ubuntu grub-installer: The file /boot/grub/stage1 not read correctly.
Sep 3 09:55:36 ubuntu grub-installer: error: Running 'grub-install --no-floppy "(hd0)"' failed.