Hello,

I have the same problem on an ASUS P7P55D-E PRO mainboard with the Marvell
88SE9123 PCIe SATA 6.0 onboard controller and two WDC WD1002FAEX-00Z3A0 Sata 
6.0 disks.

=> READ and WRITE freezes with SATA 6.0Gbps and NCQ; Limiting to SATA 3.0Gbps 
without NCQ gives me a stable system.
( kernel parameter at grub: libata.force=7:noncq,3.0Gbps,8:noncq,3.0Gbps )

There is a kernel thread with the problem and I added my description to
it:

https://bugzilla.kernel.org/show_bug.cgi?id=43160

Best regards, Bernhard

** Bug watch added: Linux Kernel Bug Tracker #43160
   http://bugzilla.kernel.org/show_bug.cgi?id=43160

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https://bugs.launchpad.net/bugs/550559

Title:
  hdd problems, failed command: READ FPDMA QUEUED

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