Found many ATA link reset error in logs

Solution Verified - Updated -

Issue

  • Found many ATA link reset error in logs:

    messages:Aug 22 09:55:39 host1 kernel: ata1: hard resetting link
    messages:Aug 22 09:55:39 host1 kernel: ata2: hard resetting link
    messages:Aug 22 09:55:40 host1 kernel: ata2: hard resetting link
    messages:Aug 22 10:31:44 host1 kernel: ata1: hard resetting link
    messages:Aug 22 10:31:45 host1 kernel: ata2: hard resetting link
    messages:Aug 22 10:31:45 host1 kernel: ata2: hard resetting link
    
  • Along with above errors, following errors were also observed:

    kernel: ata1.00: qc timeout (cmd 0xa0)
    kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x880000 action 0x6 frozen
    kernel: ata1: SError: { 10B8B LinkSeq }
    kernel: ata1.00: cmd a0/00:00:00:0c:00/00:00:00:00:00/a0 tag 0 pio 12 in
    kernel:          cdb 43 00 00 00 00 00 00 00  0c 00 0000 00 00 00 00
    kernel:          res 51/24:03:00:0c:00/00:00:00:00:00/a0 Emask 0x5 (timeout)
    [...]
    kernel: ata1.00: status: { DRDY ERR }
    kernel: ata1.00: hard resetting link
    kernel: ata1.01: hard resetting link
    kernel: ata1.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
    kernel: ata1.01: SATA link down (SStatus 4 SControl 300)
    [...]
    

Environment

  • Red Hat Enterprise Linux (RHEL)
  • SATA disks

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