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[Grizzly <1525450@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Following #889071, I want to say that even on Kernel linux-image-4.2.0-19-generic 4.2.0-19.23~14.04.1
 (14.04 LTS with wily-kernel ) the SATA III recognition is  a bit shaky, but less than it used to be in the 3.x series.

Also, the SATA-Numbers keep changing, so it is hard to tell which disk
has the issue...:

[    2.481536] ata8: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.481568] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.481600] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.485425] ata11: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.649406] ata7: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.481503] ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 300)         <= Thats unexpected
[    2.501404] ata14: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.557461] ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    3.468992] ata12: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

(about 10-20% of boots)

---

That's OK, but why different numbers?

[    2.476286] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.476324] ata6: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.476356] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.476386] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.476409] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.480199] ata11: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[    2.500201] ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.500229] ata14: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    3.303818] ata12: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

That is on Asus Sabertooth AMD-FX8350-Board.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1525450

Title:
   SATA III recognized as SATA II

Status in linux package in Ubuntu:
  New

Bug description:
  Following #889071, I want to say that even on Kernel linux-image-4.2.0-19-generic 4.2.0-19.23~14.04.1
   (14.04 LTS with wily-kernel ) the SATA III recognition is  a bit shaky, but less than it used to be in the 3.x series.

  Also, the SATA-Numbers keep changing, so it is hard to tell which disk
  has the issue...:

  [    2.481536] ata8: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.481568] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.481600] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.485425] ata11: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.649406] ata7: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.481503] ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 300)         <= Thats unexpected
  [    2.501404] ata14: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
  [    2.557461] ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
  [    3.468992] ata12: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

  (about 10-20% of boots)

  ---

  That's OK, but why different numbers?

  [    2.476286] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.476324] ata6: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.476356] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.476386] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.476409] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.480199] ata11: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
  [    2.500201] ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
  [    2.500229] ata14: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
  [    3.303818] ata12: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

  That is on Asus Sabertooth AMD-FX8350-Board.

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