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Registered: 2014-01-12

Posts: 11

Errors on boot - failed command: READ DMA

I've started to get failed command: READ DMA errors on boot. What do they mean? Is there any way to fix them?

[  114.232991] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[  114.233001] ata1.00: BMDMA stat 0x25
[  114.233006] ata1.00: failed command: READ DMA
[  114.233017] ata1.00: cmd c8/00:08:00:57:a6/00:00:00:00:00/e2 tag 0 dma 4096 in
         res 51/40:07:02:57:a6/00:00:00:00:00/e2 Emask 0x9 (media error)
[  114.233022] ata1.00: status: { DRDY ERR }
[  114.233026] ata1.00: error: { UNC }
[  114.290536] ata1.00: configured for UDMA/133
[  114.290566] sd 0:0:0:0: [sda] Unhandled sense code
[  114.290573] sd 0:0:0:0: [sda]  
[  114.290577] Result: hostbyte=0x00 driverbyte=0x08
[  114.290584] sd 0:0:0:0: [sda]  
[  114.290588] Sense Key : 0x3 [current] [descriptor]
[  114.290596] Descriptor sense data with sense descriptors (in hex):
[  114.290601]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  114.290624]         02 a6 57 02 
[  114.290636] sd 0:0:0:0: [sda]  
[  114.290640] ASC=0x11 ASCQ=0x4
[  114.290647] sd 0:0:0:0: [sda] CDB: 
[  114.290651] cdb[0]=0x28: 28 00 02 a6 57 00 00 00 08 00
[  114.290671] end_request: I/O error, dev sda, sector 44455682
[  114.290700] ata1: EH complete
[  115.677517] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[  115.677529] ata1.00: BMDMA stat 0x25
[  115.677538] ata1.00: failed command: READ DMA
[  115.677555] ata1.00: cmd c8/00:08:00:57:a6/00:00:00:00:00/e2 tag 0 dma 4096 in
         res 51/40:07:02:57:a6/00:00:00:00:00/e2 Emask 0x9 (media error)
[  115.677565] ata1.00: status: { DRDY ERR }
[  115.677570] ata1.00: error: { UNC }
[  115.713838] ata1.00: configured for UDMA/133
[  115.713870] sd 0:0:0:0: [sda] Unhandled sense code
[  115.713877] sd 0:0:0:0: [sda]  
[  115.713882] Result: hostbyte=0x00 driverbyte=0x08
[  115.713889] sd 0:0:0:0: [sda]  
[  115.713893] Sense Key : 0x3 [current] [descriptor]
[  115.713901] Descriptor sense data with sense descriptors (in hex):
[  115.713905]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  115.713929]         02 a6 57 02 
[  115.713940] sd 0:0:0:0: [sda]  
[  115.713945] ASC=0x11 ASCQ=0x4
[  115.713951] sd 0:0:0:0: [sda] CDB: 
[  115.713956] cdb[0]=0x28: 28 00 02 a6 57 00 00 00 08 00
[  115.713976] end_request: I/O error, dev sda, sector 44455682
[  115.714006] ata1: EH complete
[  117.055388] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[  117.055400] ata1.00: BMDMA stat 0x25
[  117.055409] ata1.00: failed command: READ DMA
[  117.055427] ata1.00: cmd c8/00:08:00:57:a6/00:00:00:00:00/e2 tag 0 dma 4096 in
         res 51/40:07:02:57:a6/00:00:00:00:00/e2 Emask 0x9 (media error)
[  117.055436] ata1.00: status: { DRDY ERR }
[  117.055442] ata1.00: error: { UNC }
[  117.090462] ata1.00: configured for UDMA/133
[  117.090494] sd 0:0:0:0: [sda] Unhandled sense code
[  117.090501] sd 0:0:0:0: [sda]  
[  117.090506] Result: hostbyte=0x00 driverbyte=0x08
[  117.090512] sd 0:0:0:0: [sda]  
[  117.090516] Sense Key : 0x3 [current] [descriptor]
[  117.090524] Descriptor sense data with sense descriptors (in hex):
[  117.090529]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  117.090552]         02 a6 57 02 
[  117.090564] sd 0:0:0:0: [sda]  
[  117.090568] ASC=0x11 ASCQ=0x4
[  117.090575] sd 0:0:0:0: [sda] CDB: 
[  117.090579] cdb[0]=0x28: 28 00 02 a6 57 00 00 00 08 00
[  117.090599] end_request: I/O error, dev sda, sector 44455682
[  117.090648] ata1: EH complete
[  118.344345] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[  118.344356] ata1.00: BMDMA stat 0x25
[  118.344365] ata1.00: failed command: READ DMA
[  118.344382] ata1.00: cmd c8/00:08:00:57:a6/00:00:00:00:00/e2 tag 0 dma 4096 in
         res 51/40:07:02:57:a6/00:00:00:00:00/e2 Emask 0x9 (media error)
[  118.344391] ata1.00: status: { DRDY ERR }
[  118.344397] ata1.00: error: { UNC }
[  118.427170] ata1.00: configured for UDMA/133
[  118.427198] sd 0:0:0:0: [sda] Unhandled sense code
[  118.427240] sd 0:0:0:0: [sda]  
[  118.427246] Result: hostbyte=0x00 driverbyte=0x08
[  118.427252] sd 0:0:0:0: [sda]  
[  118.427257] Sense Key : 0x3 [current] [descriptor]
[  118.427265] Descriptor sense data with sense descriptors (in hex):
[  118.427269]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  118.427293]         02 a6 57 02 
[  118.427304] sd 0:0:0:0: [sda]  
[  118.427309] ASC=0x11 ASCQ=0x4
[  118.427315] sd 0:0:0:0: [sda] CDB: 
[  118.427320] cdb[0]=0x28: 28 00 02 a6 57 00 00 00 08 00
[  118.427340] end_request: I/O error, dev sda, sector 44455682
[  118.430078] ata1: EH complete
[  725.193320] perf samples too long (2501 > 2500), lowering kernel.perf_event_max_sample_rate to 50100

Here's some info about the hard drive itself:

/dev/sda:

ATA device, with non-removable media
	Model Number:       SAMSUNG HM040HI                         
	Serial Number:      S07WJ10Y711599      
	Firmware Revision:  YA100-02
Standards:
	Used: ATA/ATAPI-7 T13 1532D revision 0 
	Supported: 7 6 5 4 
Configuration:
	Logical		max	current
	cylinders	16383	16383
	heads		16	16
	sectors/track	63	63
	--
	CHS current addressable sectors:   16514064
	LBA    user addressable sectors:   78242976
	LBA48  user addressable sectors:   78242976
	Logical/Physical Sector size:           512 bytes
	device size with M = 1024*1024:       38204 MBytes
	device size with M = 1000*1000:       40060 MBytes (40 GB)
	cache/buffer size  = 8192 KBytes (type=DualPortCache)

Last edited by β ™ (2014-01-14 10:31:39)