KINGSTON SKC300S37A120G проблемы

Добрый вечер.
С недавних пор появились проблемы с диском.
[ 4.066443] NVRM: corruption and stability problems, and is not supported.
[ 6.313037] floppy0: no floppy controllers found
[ 7.370350] EXT4-fs (sda1): re-mounted. Opts: discard
[ 7.468581] Adding 626528k swap on /dev/sdb4. Priority:-1 extents:1 across:626528k
[ 7.509764] EXT4-fs warning (device sda2): ext4_clear_journal_err:4736: Filesystem error recorded from previous mount: IO failure
[ 7.509768] EXT4-fs warning (device sda2): ext4_clear_journal_err:4737: Marking fs in need of filesystem check.
[ 7.509967] EXT4-fs (sda2): warning: mounting fs with errors, running e2fsck is recommended
[ 7.510107] EXT4-fs (sda2): Errors on filesystem, clearing orphan list.

[ 7.510109] EXT4-fs (sda2): recovery complete
[ 7.511649] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: discard
[ 7.513976] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: discard
[ 7.528544] EXT4-fs (sdb3): mounted filesystem with ordered data mode. Opts: (null)
[ 7.537150] fuse init (API version 7.23)
[ 8.181014] usb 2-6: reset high-speed USB device number 4 using ehci-pci
Устройство.
0.941258] ata2.00: ATA-8: KINGSTON SKC300S37A120G, 526ABBF0, max UDMA/133
# df -h | grep sda
/dev/sda1 15G 7,2G 6,7G 52% /
/dev/sda2 2,9G 406M 2,4G 15% /var
/dev/sda3 25G 4,8G 19G 21% /home
/dev/sda4 46G 23G 24G 49% /mnt/win2
# df -i | grep sda
/dev/sda1 983040 494637 488403 51% /
/dev/sda2 196800 33825 162975 18% /var
/dev/sda3 1638400 26724 1611676 2% /home
/dev/sda4 24553208 120543 24432665 1% /mnt/win2
Что может быть?
Диск начал сыпаться?
Диск примерно использую 1,5 года.
Система не под нагрузкой, обычная домашняя система.
Большие файлы льются на обычный диск.