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DVD drive not detected

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Last response: in Linux/Free BSD
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Anyone have any ideas why a DVD drive that works perfectly isn't detected by openSUSE 11.4 x86_64? Yesterday I downloaded the net install CD, burnt it, and used it. It worked perfectly, but the DVD drive isn't detected. dmesg gives some obscure error, and there is no device for it in /dev. It still works perfectly from within Windows or before booting to openSUSE. It was working fine in Fedora a few days ago. The drive is a LG GH22LS50 (SATA) on one of the SATA3 ports on my GA-P67A-UD3R motherboard.

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Well, the obvious first step in troubleshooting would be to move the drive to one of the SATA 2 ports. It's not as if data transfer rate is a big deal with a DVD drive.

And it might help if you could actual reproduce that obscure dmesg error here. It may be less obscure to some of the geniuses who hang around this forum.

dmesg output:
  1. [    1.528777] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
  2. [    1.528789] ata2.01: SATA link down (SStatus 0 SControl 300)
  3. [    1.528798] ata2.01: link offline, clearing class 3 to NONE
  4. ...
  5. [    1.547690] ata2.00: ATAPI: HL-DT-ST DVDRAM GH22LS50, TL03, max UDMA/100
  6. [    1.569735] ata2.00: configured for UDMA/100
  7. [    1.670058] ata2.00: TEST_UNIT_READY failed (err_mask=0x2)
  8. ...
  9. [    7.288624] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
  10. [    7.288640] ata2.01: SATA link down (SStatus 0 SControl 300)
  11. [    7.288652] ata2.01: link offline, clearing class 3 to NONE
  12. [    7.329718] ata2.00: configured for UDMA/100
  13. [   12.328708] ata2.00: qc timeout (cmd 0xa0)
  14. [   12.328712] ata2.00: TEST_UNIT_READY failed (err_mask=0x4)
  15. [   12.328716] ata2.00: limiting SATA link speed to 1.5 Gbps
  16. [   12.328719] ata2.00: limiting speed to UDMA/100:PIO3
  17. [   13.089637] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  18. [   13.089653] ata2.01: SATA link down (SStatus 0 SControl 300)
  19. [   13.089665] ata2.01: link offline, clearing class 3 to NONE
  20. [   13.130669] ata2.00: configured for UDMA/100
  21. [   18.129667] ata2.00: qc timeout (cmd 0xa0)
  22. [   18.129671] ata2.00: TEST_UNIT_READY failed (err_mask=0x4)
  23. [   18.129673] ata2.00: disabled
  24. [   18.129692] ata2.00: hard resetting link
  25. [   18.434597] ata2.01: hard resetting link
  26. [   18.890575] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  27. [   18.890591] ata2.01: SATA link down (SStatus 0 SControl 300)
  28. [   18.890604] ata2.01: link offline, clearing class 3 to NONE
  29. [   18.890610] ata2: EH complete

By obscure (with reference to "TEST_UNIT_READY failed"), I meant that a Google brought very few results.

I was intending to try one of the SATA2 ports, but hadn't got around to it yet. I will do so soon.

Well, I tried with the SATA2 ports, and it works fine. That is nice, but I wanted it to work on the SATA3 ports because of the chipset bug. I guess it doesn't matter, as I'll be getting a replacement within a few days.
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