Comment 8 for bug 282536

>what is gettng done about this problem?
>>i have struggled with this issue for quite some time.
~~~
May 15 11:26:19 mickey-desktop kernel: [ 2.548560] ata4.00: ATAPI: ATAPI DVD+RW 4X4X12, B1GY, max UDMA/33
May 15 11:26:19 mickey-desktop kernel: [ 2.548587] ata4.01: ATAPI: LITE-ON CD-ROM LTN-5291S, NS08, max UDMA/33
May 15 11:26:19 mickey-desktop kernel: [ 2.568601] ata4.00: configured for UDMA/33
May 15 11:26:19 mickey-desktop kernel: [ 2.596230] ata4.01: configured for UDMA/33
***********************************************************************************************
May 15 16:33:32 mickey-desktop kernel: [11706.369061] ata4.01: TEST_UNIT_READY failed (err_mask=0x4)
May 15 16:33:32 mickey-desktop kernel: [11706.369090] ata4: soft resetting link
May 15 16:33:33 mickey-desktop kernel: [11706.749028] ata4.01: configured for UDMA/25
May 15 16:33:38 mickey-desktop kernel: [11711.749045] ata4.01: qc timeout (cmd 0xa0)
May 15 16:33:38 mickey-desktop kernel: [11711.749058] ata4.01: TEST_UNIT_READY failed (err_mask=0x4)
May 15 16:33:38 mickey-desktop kernel: [11711.749065] ata4.01: limiting speed to UDMA/25:PIO2
May 15 16:33:38 mickey-desktop kernel: [11711.749093] ata4: soft resetting link
May 15 16:33:38 mickey-desktop kernel: [11712.129158] ata4.01: configured for UDMA/25
May 15 16:33:43 mickey-desktop kernel: [11717.129048] ata4.01: qc timeout (cmd 0xa0)
May 15 16:33:43 mickey-desktop kernel: [11717.129060] ata4.01: TEST_UNIT_READY failed (err_mask=0x4)
May 15 16:33:43 mickey-desktop kernel: [11717.129066] ata4.01: disabled
**************************************************************************************************