dmesg output from remount

[  861.406652] EXT4-fs (sda1): previous I/O error to superblock detected
[  861.415008] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  861.422715] ata1.00: irq_stat 0x08000000, interface fatal error
[  861.428660] ata1: SError: { Handshk }
[  861.432366] ata1.00: failed command: WRITE DMA
[  861.436821] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 27 dma 4096 out
[  861.436821]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  861.452234] ata1.00: status: { DRDY }
[  861.456008] ata1: hard resetting link
[  862.011946] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  862.015385] ata1.00: supports DRM functions and may not be fully accessible
[  862.018858] ata1.00: supports DRM functions and may not be fully accessible
[  862.019810] ata1.00: configured for UDMA/33
[  862.031610] ata1: EH complete
[  862.032314] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  862.040053] ata1.00: irq_stat 0x08000000, interface fatal error
[  862.046925] ata1: SError: { Handshk }
[  862.050759] ata1.00: failed command: WRITE DMA
[  862.056220] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 28 dma 4096 out
[  862.056220]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  862.071887] ata1.00: status: { DRDY }
[  862.075559] ata1: hard resetting link
[  862.631756] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  862.640544] ata1.00: supports DRM functions and may not be fully accessible
[  862.644645] ata1.00: supports DRM functions and may not be fully accessible
[  862.645613] ata1.00: configured for UDMA/33
[  862.662024] ata1: EH complete
[  862.662762] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  862.671748] ata1.00: irq_stat 0x08000000, interface fatal error
[  862.677828] ata1: SError: { Handshk }
[  862.682277] ata1.00: failed command: WRITE DMA
[  862.686783] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 29 dma 4096 out
[  862.686783]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  862.702297] ata1.00: status: { DRDY }
[  862.705995] ata1: hard resetting link
[  863.251314] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  863.254078] ata1.00: supports DRM functions and may not be fully accessible
[  863.256023] ata1.00: supports DRM functions and may not be fully accessible
[  863.256567] ata1.00: configured for UDMA/33
[  863.271517] ata1: EH complete
[  863.273235] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  863.282449] ata1.00: irq_stat 0x08000000, interface fatal error
[  863.289113] ata1: SError: { Handshk }
[  863.293775] ata1.00: failed command: WRITE DMA
[  863.298289] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 30 dma 4096 out
[  863.298289]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  863.313854] ata1.00: status: { DRDY }
[  863.317551] ata1: hard resetting link
[  863.871655] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  863.891756] ata1.00: supports DRM functions and may not be fully accessible
[  863.894339] ata1.00: supports DRM functions and may not be fully accessible
[  863.896767] ata1.00: configured for UDMA/33
[  863.911978] ata1: EH complete
[  863.912740] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  863.922223] ata1.00: irq_stat 0x08000000, interface fatal error
[  863.928328] ata1: SError: { Handshk }
[  863.932744] ata1.00: failed command: WRITE DMA
[  863.937418] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 0 dma 4096 out
[  863.937418]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  863.956204] ata1.00: status: { DRDY }
[  863.959889] ata1: hard resetting link
[  864.511708] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  864.514830] ata1.00: supports DRM functions and may not be fully accessible
[  864.517944] ata1.00: supports DRM functions and may not be fully accessible
[  864.519312] ata1.00: configured for UDMA/33
[  864.531703] ata1: EH complete
[  864.532480] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[  864.542446] ata1.00: irq_stat 0x08000000, interface fatal error
[  864.548725] ata1: SError: { Handshk }
[  864.552882] ata1.00: failed command: WRITE DMA
[  864.557445] ata1.00: cmd ca/00:08:02:00:00/00:00:00:00:00/e0 tag 1 dma 4096 out
[  864.557445]          res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[  864.573726] ata1.00: status: { DRDY }
[  864.577451] ata1: hard resetting link
[  865.121610] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  865.130505] ata1.00: supports DRM functions and may not be fully accessible
[  865.135711] ata1.00: supports DRM functions and may not be fully accessible
[  865.136707] ata1.00: configured for UDMA/33
[  865.152004] sd 0:0:0:0: [sda]
[  865.152124] Result: hostbyte=0x00 driverbyte=0x08
[  865.152231] sd 0:0:0:0: [sda]
[  865.152307] Sense Key : 0xb [current] [descriptor]
[  865.152472] Descriptor sense data with sense descriptors (in hex):
[  865.152557]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
[  865.153126]         00 00 00 00
[  865.153354] sd 0:0:0:0: [sda]
[  865.153424] ASC=0x0 ASCQ=0x0
[  865.153534] sd 0:0:0:0: [sda] CDB:
[  865.153601] cdb[0]=0x2a: 2a 00 00 00 00 02 00 00 08 00
[  865.154056] end_request: I/O error, dev sda, sector 2
[  865.160506] Buffer I/O error on device sda1, logical block 0
[  865.167812] lost page write due to I/O error on sda1
[  865.168194] ata1: EH complete
[  865.168477] EXT4-fs error (device sda1): ext4_put_super:768: Couldn't clean up the journal