[Bug 47781] New: ata2: exception Emask 0x10 SAct 0x0 SErr 0x4050002 action 0xe frozen

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=47781

           Summary: ata2: exception Emask 0x10 SAct 0x0 SErr 0x4050002
                    action 0xe frozen
           Product: IO/Storage
           Version: 2.5
    Kernel Version: 3.6 rc6 i386
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: IDE
        AssignedTo: io_ide@kernel-bugs.osdl.org
        ReportedBy: dyvazar@numericable.fr
        Regression: No


Created an attachment (id=80691)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=80691)
dmesg bootlog

I'm getting some errors at boot time, since a while, on a ubuntu quantal i386
system:

prereset failed (errno -19)

then the system continue to boot. But today i get some more errors after that
one:

ata2: exception Emask 0x10 SAct 0x0 SErr 0x4050002 action 0xe frozen
ata2: irq_stat 0x00000040, connection status changed
ata2: SError: { RecovComm PHYRdyChg CommWake DevExch }
ata2: hard resetting link
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: unsupported device, disabling
ata2.00: disabled
ata2: EH complete

note: i'm not sure thats a IO error about ide, so please feel free to change
for good debug team if needed.

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