On our TK1 platform system,we connected a HDD to TK1 via the standard built-in SATA connector and
we found that sometimes occurred HDD softreset failed issue.
1)The HDD device is HDD:SEAGATE 500GB
“ata1: softreset failed” log information details as follow:
[ 7.218917] ALSA device list:
[ 7.221964] #0: HDA NVIDIA Tegra at 0x70038000 irq 113
[ 14.920410] ata1: softreset failed (1st FIS failed)
[ 20.433410] ata1: link is slow to respond, please be patient (ready=0)
[ 24.927407] ata1: softreset failed (device not ready)
[ 59.932404] ata1: softreset failed (1st FIS failed)
[ 59.937304] ata1: limiting SATA link speed to 1.5 Gbps
[ 65.143412] ata1: softreset failed (device not ready)
[ 65.148484] ata1: reset failed, giving up
who can tell me why sometimes the SATA devices fail completely after a couple of link attempts?