Внезапно обломился emerge, в dmesg — такое

[41167.493800] ata1.00: exception Emask 0x0 SAct 0x6 SErr 0x0 action 0x6 frozen
[41167.493811] ata1.00: failed command: READ FPDMA QUEUED
[41167.493822] ata1.00: cmd 60/08:08:df:6c:1a/00:00:04:00:00/40 tag 1 ncq 4096 in
[41167.493825]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[41167.493829] ata1.00: status: { DRDY }
[41167.493833] ata1.00: failed command: READ FPDMA QUEUED
[41167.493839] ata1.00: cmd 60/08:10:8f:5e:bf/00:00:04:00:00/40 tag 2 ncq 4096 in
[41167.493841]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[41167.493844] ata1.00: status: { DRDY }
[41167.493851] ata1: hard resetting link
[41169.625073] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
[41169.627241] ata1.00: configured for UDMA/100
[41169.627250] ata1.00: device reported invalid CHS sector 0
[41169.627256] ata1.00: device reported invalid CHS sector 0
[41169.627270] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627273] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627277] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x28: 28 00 70 26 a6 47 00 01 00 00
[41169.627289] end_request: I/O error, dev sdb, sector 1881581127
[41169.627326] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627331] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627336] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 57 00 00 08 00
[41169.627351] end_request: I/O error, dev sdb, sector 74501463
[41169.627365] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627369] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627374] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 5f 00 00 08 00
[41169.627385] end_request: I/O error, dev sdb, sector 74501471
[41169.627395] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627398] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627402] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 67 00 00 08 00
[41169.627413] end_request: I/O error, dev sdb, sector 74501479
[41169.627423] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627425] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627429] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 6f 00 00 08 00
[41169.627440] end_request: I/O error, dev sdb, sector 74501487
[41169.627449] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627452] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627455] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 77 00 00 08 00
[41169.627466] end_request: I/O error, dev sdb, sector 74501495
[41169.627475] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627478] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627482] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 7f 00 00 08 00
[41169.627492] end_request: I/O error, dev sdb, sector 74501503
[41169.627501] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627505] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627509] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 87 00 00 08 00
[41169.627520] end_request: I/O error, dev sdb, sector 74501511
[41169.627529] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627532] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627536] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 8f 00 00 08 00
[41169.627547] end_request: I/O error, dev sdb, sector 74501519
[41169.627555] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627558] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627562] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 97 00 00 08 00
[41169.627573] end_request: I/O error, dev sdb, sector 74501527
[41169.627581] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627583] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627587] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd 9f 00 00 08 00
[41169.627598] end_request: I/O error, dev sdb, sector 74501535
[41169.627607] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627609] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627613] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd a7 00 00 08 00
[41169.627624] end_request: I/O error, dev sdb, sector 74501543
[41169.627633] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627635] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627639] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd af 00 00 08 00
[41169.627650] end_request: I/O error, dev sdb, sector 74501551
[41169.627658] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627661] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627665] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd b7 00 00 08 00
[41169.627676] end_request: I/O error, dev sdb, sector 74501559
[41169.627684] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627687] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627691] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd bf 00 00 08 00
[41169.627701] end_request: I/O error, dev sdb, sector 74501567
[41169.627710] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627713] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627717] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd c7 00 00 08 00
[41169.627727] end_request: I/O error, dev sdb, sector 74501575
[41169.627736] sd 0:0:0:0: [sdb] Unhandled error code
[41169.627739] sd 0:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x06
[41169.627743] sd 0:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 04 70 cd cf 00 00 08 00
[41169.627753] end_request: I/O error, dev sdb, sector 74501583
[41169.627768] ata1: EH complete
[41169.627840] Aborting journal on device dm-11-8.
[41169.627934] EXT4-fs error (device dm-11) in ext4_reserve_inode_write:5619: Journal has aborted
[41169.628349] EXT4-fs error (device dm-11): ext4_journal_start_sb:260: Detected aborted journal
[41169.628362] EXT4-fs (dm-11): Remounting filesystem read-only
[41169.628583] EXT4-fs error (device dm-11): ext4_journal_start_sb:260:
[41169.628589] EXT4-fs error (device dm-11): ext4_journal_start_sb:260: Detected aborted journal
[41169.628598] Detected aborted journal
[41169.628605] EXT4-fs (dm-11): ext4_da_writepages: jbd2_start: 1024 pages, ino 438343; err -30