[Bug 98171] New: [Regression] Marvell SE91xx SATA 3 controllers not recognized correctly

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=98171

            Bug ID: 98171
           Summary: [Regression] Marvell SE91xx SATA 3 controllers not
                    recognized correctly
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 3.15
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: scsi_drivers-other@kernel-bugs.osdl.org
          Reporter: nucrap@hotmail.com
        Regression: No

Created attachment 176571
  --> https://bugzilla.kernel.org/attachment.cgi?id=176571&action=edit
full dmesg of my affected system

Starting with kernel 3.15 Marvell SE91xx SATA 3 controllers are not getting
recognized correctly. At early boot process, users get messages similar to
this:

kernel: ata16: EH complete
kernel: ata16.00: configured for UDMA/66
kernel: ata16: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
kernel: ata16: hard resetting link
kernel: ata16.00: cmd a0/01:00:00:00:01/00:00:00:00:00/a0 tag 2 dma 16640 in
res 00/00:00:00:00:00/00:00:00:00:00/00 Emask 0x3 (HSM violation)
kernel: cdb[0]=0x12: 12 01 00 00 ff 00
kernel: scsi 15:0:0:0: CDB:
kernel: ata16.00: irq_stat 0x40000001
kernel: ata16.00: exception Emask 0x1 SAct 0x0 SErr 0x0 action 0x6
kernel: scsi 15:0:0:0: Processor Marvell 91xx Config 1.01 PQ: 0 ANSI: 5
kernel: ata8: SATA link down (SStatus 0 SControl 300)


There seems to be a high rate of users affected, and so far this issue can be
reproduced with SE9129 and SE9130 chips, see
https://bugs.archlinux.org/task/40776

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