When we plug in ESATA disk on DM816X platform, we found some error logs as below
[root@/]# ata1: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen
ata1: irq_stat 0x00000040, connection status changed
ata1: SError: { CommWake DevExch }
ata1: hard resetting link
ata1: SATA link down (SStatus 0 SControl 300)
ata1: EH complete
ata1: exception Emask 0x10 SAct 0x0 SErr 0x4050002 action 0xe frozen
ata1: irq_stat 0x00000040, connection status changed
ata1: SError: { RecovComm PHYRdyChg CommWake DevExch }
ata1: hard resetting link
ata1: link is slow to respond, please be patient (ready=0)
ata1: softreset failed (device not ready)
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: qc timeout (cmd 0x27)
ata1.00: failed to read native max address (err_mask=0x4)
ata1.00: HPA support seems broken, skipping HPA handling
ata1: hard resetting link
ata1: softreset failed (device not ready)
ata1: softreset failed (device not ready)
ata1: hard resetting link
ata1: link is slow to respond, please be patient (ready=0)
ata1: softreset failed (device not ready)
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: ATA-8: WDC WD20EURS-73S48Y0, 51.0AB51, max UDMA/133
ata1.00: 3907029168 sectors, multi 0: LBA48
ata1.00: configured for UDMA/133
ata1: EH complete
scsi 0:0:0:0: Direct-Access ATA WDC WD20EURS-73S 51.0 PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
sd 0:0:0:0: [sda] 4096-byte physical blocks
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:0:0: Attached scsi generic sg0 type 0
sda: sda1
sd 0:0:0:0: [sda] Attached SCSI disk
after mount ESATA disk , I used command “df”, the serial log show as below
[root@/]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 65536 45028 20508 69% /
devtmpfs 116340 0 116340 0% /dev
mdev 116340 0 116340 0% /dev
tmpfs 116340 0 116340 0% /tmp
/dev/mtdblock4 8192 628 7564 8% /mnt/flash
tmpfs 116340 20 116320 0% /mnt/flash/var/run
/dev/mtdblock8 111104 2728 108376 2% /mnt/work
ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x280100 action 0x6 frozen
ata1.00: irq_stat 0x08000000, interface fatal error
ata1: SError: { UnrecovData 10B8B BadCRC }
ata1.00: failed command: READ DMA
ata1.00: cmd c8/00:80:b6:7c:04/00:00:00:00:00/e0 tag 0 dma 65536 in
res 50/00:00:b5:7c:04/00:00:00:00:00/e0 Emask 0x10 (ATA bus error)
ata1.00: status: { DRDY }
ata1: hard resetting link
ata1: softreset failed (1st FIS failed)
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata1.00: revalidation failed (errno=-5)
ata1: hard resetting link
ata1: softreset failed (1st FIS failed)
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata1.00: revalidation failed (errno=-5)
ata1: limiting SATA link speed to 1.5 Gbps
ata1: hard resetting link
ata1: link is slow to respond, please be patient (ready=0)
ata1: softreset failed (device not ready)
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata1.00: configured for UDMA/133
sd 0:0:0:0: [sda] Result: hostbyte=0x00 driverbyte=0x08
sd 0:0:0:0: [sda] Sense Key : 0xb [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
00 04 7c b5
sd 0:0:0:0: [sda] ASC=0x0 ASCQ=0x0
sd 0:0:0:0: [sda] CDB: cdb[0]=0x28: 28 00 00 04 7c b6 00 00 80 00
end_request: I/O error, dev sda, sector 294070
ata1: EH complete
/dev/sda1 1952560496 4096528 1948463968 0% /mnt/sata
we using version is DVRRDK_01.09.00.16
