root@lubuntu:/home/lubuntu# tail -n50 /var/log/kern.log
Jun 9 01:29:47 lubuntu kernel: [ 242.172016] raid6: sse2x2 xor() 2162 MB/s
Jun 9 01:29:47 lubuntu kernel: [ 242.172019] raid6: using algorithm sse2x2 gen() 2823 MB/s
Jun 9 01:29:47 lubuntu kernel: [ 242.172022] raid6: .... xor() 2162 MB/s, rmw enabled
Jun 9 01:29:47 lubuntu kernel: [ 242.172024] raid6: using intx1 recovery algorithm
Jun 9 01:29:47 lubuntu kernel: [ 242.185385] xor: measuring software checksum speed
Jun 9 01:29:47 lubuntu kernel: [ 242.224017] pIII_sse : 5161.000 MB/sec
Jun 9 01:29:47 lubuntu kernel: [ 242.264020] prefetch64-sse: 5074.000 MB/sec
Jun 9 01:29:47 lubuntu kernel: [ 242.264023] xor: using function: pIII_sse (5161.000 MB/sec)
Jun 9 01:29:47 lubuntu kernel: [ 242.378938] Btrfs loaded
Jun 9 01:29:48 lubuntu kernel: [ 243.041788] EXT4-fs (sda2): unable to read superblock
Jun 9 01:29:48 lubuntu kernel: [ 243.045413] EXT4-fs (sda2): unable to read superblock
Jun 9 01:29:48 lubuntu kernel: [ 243.048794] EXT4-fs (sda2): unable to read superblock
Jun 9 01:29:48 lubuntu kernel: [ 243.052221] FAT-fs (sda2): bogus number of reserved sectors
Jun 9 01:29:48 lubuntu kernel: [ 243.052229] FAT-fs (sda2): Can't find a valid FAT filesystem
Jun 9 01:29:48 lubuntu kernel: [ 243.079573] squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sda2
Jun 9 01:29:48 lubuntu kernel: [ 243.083464] XFS (sda2): Invalid superblock magic number
Jun 9 01:29:48 lubuntu kernel: [ 243.090260] FAT-fs (sda2): bogus number of reserved sectors
Jun 9 01:29:48 lubuntu kernel: [ 243.090269] FAT-fs (sda2): Can't find a valid FAT filesystem
Jun 9 01:29:48 lubuntu kernel: [ 243.099891] MINIX-fs: unable to read superblock
Jun 9 01:29:48 lubuntu kernel: [ 243.115193] attempt to access beyond end of device
Jun 9 01:29:48 lubuntu kernel: [ 243.115202] sda2: rw=16, want=3, limit=2
Jun 9 01:29:48 lubuntu kernel: [ 243.115207] hfsplus: unable to find HFS+ superblock
Jun 9 01:29:48 lubuntu kernel: [ 243.120374] qnx4: no qnx4 filesystem (no root dir).
Jun 9 01:29:48 lubuntu kernel: [ 243.123672] ufs: You didn't specify the type of your ufs filesystem
Jun 9 01:29:48 lubuntu kernel: [ 243.123672]
Jun 9 01:29:48 lubuntu kernel: [ 243.123672] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
Jun 9 01:29:48 lubuntu kernel: [ 243.123672]
Jun 9 01:29:48 lubuntu kernel: [ 243.123672] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
Jun 9 01:29:48 lubuntu kernel: [ 243.130328] hfs: can't find a HFS filesystem on dev sda2
Jun 9 01:30:24 lubuntu kernel: [ 278.668045] CE: hpet increased min_delta_ns to 11521 nsec
Jun 9 01:31:33 lubuntu kernel: [ 347.401376] EXT4-fs (sda2): unable to read superblock
Jun 9 01:31:33 lubuntu kernel: [ 347.407067] EXT4-fs (sda2): unable to read superblock
Jun 9 01:31:33 lubuntu kernel: [ 347.413921] EXT4-fs (sda2): unable to read superblock
Jun 9 01:31:33 lubuntu kernel: [ 347.417384] FAT-fs (sda2): bogus number of reserved sectors
Jun 9 01:31:33 lubuntu kernel: [ 347.417393] FAT-fs (sda2): Can't find a valid FAT filesystem
Jun 9 01:31:33 lubuntu kernel: [ 347.485378] squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sda2
Jun 9 01:31:33 lubuntu kernel: [ 347.492082] XFS (sda2): Invalid superblock magic number
Jun 9 01:31:33 lubuntu kernel: [ 347.499915] FAT-fs (sda2): bogus number of reserved sectors
Jun 9 01:31:33 lubuntu kernel: [ 347.499923] FAT-fs (sda2): Can't find a valid FAT filesystem
Jun 9 01:31:33 lubuntu kernel: [ 347.508937] MINIX-fs: unable to read superblock
Jun 9 01:31:33 lubuntu kernel: [ 347.516340] attempt to access beyond end of device
Jun 9 01:31:33 lubuntu kernel: [ 347.516350] sda2: rw=16, want=3, limit=2
Jun 9 01:31:33 lubuntu kernel: [ 347.516355] hfsplus: unable to find HFS+ superblock
Jun 9 01:31:33 lubuntu kernel: [ 347.519529] qnx4: no qnx4 filesystem (no root dir).
Jun 9 01:31:33 lubuntu kernel: [ 347.522910] ufs: You didn't specify the type of your ufs filesystem
Jun 9 01:31:33 lubuntu kernel: [ 347.522910]
Jun 9 01:31:33 lubuntu kernel: [ 347.522910] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
Jun 9 01:31:33 lubuntu kernel: [ 347.522910]
Jun 9 01:31:33 lubuntu kernel: [ 347.522910] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
Jun 9 01:31:33 lubuntu kernel: [ 347.532498] hfs: can't find a HFS filesystem on dev sda2
root@lubuntu:/home/lubuntu#