Hi ubuntu_demon ,
I have the similar problem. When I copied one file to another disk, I
got an input output error. Then I find whenever I run the following
command
sudo dd if=/dev/sdb bs=512 skip=1382533521 count=1 | hexdump -C
I will get input/output error. But I just bought this hard disk for
several weeks. And I did a disk scan when bought it. And the hard disk
is physically protected well. Does this mean I have to return it? As I
tested, only sector 1382533521 to 1382533527 has this problem. Can I
just stop using this sectors? Or does this means other sectors will most
likely to have the same kind of problem in the near future and I should
exchange for another disk?
Thanks
Here is the kernel message,
[33528.071838] ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[33528.071846] ata6.00: BMDMA stat 0x24
[33528.071853] ata6.00: cmd 25/00:08:8c:c9:67/00:00:52:00:00/e0 tag 0 dma 4096
in
[33528.071855] res 51/40:00:91:c9:67/40:00:52:00:00/00 Emask 0x9
(media error)
[33528.071859] ata6.00: status: { DRDY ERR }
[33528.071862] ata6.00: error: { UNC }
[33528.182483] ata6.00: configured for UDMA/133
[33528.182500] sd 5:0:0:0: [sdb] Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE,SUGGEST_OK
[33528.182505] sd 5:0:0:0: [sdb] Sense Key : Medium Error [current] [descriptor]
[33528.182511] Descriptor sense data with sense descriptors (in hex):
[33528.182513] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[33528.182523] 52 67 c9 91
[33528.182527] sd 5:0:0:0: [sdb] Add. Sense: Unrecovered read error - auto
reallocate failed
[33528.182535] end_request: I/O error, dev sdb, sector 1382533521
[33528.182552] ata6: EH complete
[33528.184128] sd 5:0:0:0: [sdb] 1953525168 512-byte hardware sectors (1000205
MB)
[33528.184303] sd 5:0:0:0: [sdb] Write Protect is off
[33528.184307] sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[33528.184541] sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled,
doesn't support DPO or FUA
[33528.184751] sd 5:0:0:0: [sdb] 1953525168 512-byte hardware sectors (1000205
MB)
[33528.184915] sd 5:0:0:0: [sdb] Write Protect is off
[33528.184919] sd 5:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[33528.185150] sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled,
doesn't support DPO or FUA
--
gutsy kernel is causing data-loss.somehow related to SATA (media-error)
https://bugs.launchpad.net/bugs/151938
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