I enabled secondary IDE port again and found the system waiting for response of the secondary IDE port. Trying to reset it again and again and finally boots but does not recognize the CDROM drive. System log attached below Apr 26 17:14:06 geerlof-desktop kernel: [ 40.622841] intel8x0_measure_ac97_clock: measured 54807 usecs Apr 26 17:14:06 geerlof-desktop kernel: [ 40.622850] intel8x0: clocking to 48000 Apr 26 17:14:06 geerlof-desktop kernel: [ 54.099780] ata2.00: qc timeout (cmd 0xa0) Apr 26 17:14:06 geerlof-desktop kernel: [ 54.099808] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen Apr 26 17:14:06 geerlof-desktop kernel: [ 54.099815] ata2.00: (BMDMA stat 0x25) Apr 26 17:14:06 geerlof-desktop kernel: [ 54.099829] ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 254 in Apr 26 17:14:06 geerlof-desktop kernel: [ 54.099833] res 51/51:03:00:12:00/00:00:00:00:00/a0 Emask 0x5 (timeout) Apr 26 17:14:06 geerlof-desktop kernel: [ 61.100124] ata2: port is slow to respond, please be patient (Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 84.104044] ata2: port failed to respond (30 secs, Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 84.104058] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 84.271092] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 84.435912] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x1) Apr 26 17:14:06 geerlof-desktop kernel: [ 84.435923] ata2.00: revalidation failed (errno=-5) Apr 26 17:14:06 geerlof-desktop kernel: [ 84.435932] ata2: failed to recover some devices, retrying in 5 secs Apr 26 17:14:06 geerlof-desktop kernel: [ 89.437285] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 89.604308] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 89.933183] ata2.00: configured for UDMA/33 Apr 26 17:14:06 geerlof-desktop kernel: [ 89.933229] ata2: EH complete Apr 26 17:14:06 geerlof-desktop kernel: [ 119.941299] ata2.00: qc timeout (cmd 0xa0) Apr 26 17:14:06 geerlof-desktop kernel: [ 119.941326] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen Apr 26 17:14:06 geerlof-desktop kernel: [ 119.941334] ata2.00: (BMDMA stat 0x25) Apr 26 17:14:06 geerlof-desktop kernel: [ 119.941347] ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 254 in Apr 26 17:14:06 geerlof-desktop kernel: [ 119.941351] res 51/51:03:00:12:00/00:00:00:00:00/a0 Emask 0x5 (timeout) Apr 26 17:14:06 geerlof-desktop kernel: [ 126.941643] ata2: port is slow to respond, please be patient (Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 149.945562] ata2: port failed to respond (30 secs, Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 149.945577] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 150.112607] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 150.277429] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x1) Apr 26 17:14:06 geerlof-desktop kernel: [ 150.277441] ata2.00: revalidation failed (errno=-5) Apr 26 17:14:06 geerlof-desktop kernel: [ 150.277449] ata2: failed to recover some devices, retrying in 5 secs Apr 26 17:14:06 geerlof-desktop kernel: [ 155.278802] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 155.445823] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 155.774700] ata2.00: configured for UDMA/33 Apr 26 17:14:06 geerlof-desktop kernel: [ 155.774745] ata2: EH complete Apr 26 17:14:06 geerlof-desktop kernel: [ 185.770820] ata2.00: qc timeout (cmd 0xa0) Apr 26 17:14:06 geerlof-desktop kernel: [ 185.770848] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen Apr 26 17:14:06 geerlof-desktop kernel: [ 185.770855] ata2.00: (BMDMA stat 0x25) Apr 26 17:14:06 geerlof-desktop kernel: [ 185.770869] ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 254 in Apr 26 17:14:06 geerlof-desktop kernel: [ 185.770873] res 51/51:03:00:12:00/00:00:00:00:00/a0 Emask 0x5 (timeout) Apr 26 17:14:06 geerlof-desktop kernel: [ 192.771180] ata2: port is slow to respond, please be patient (Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 214.354719] lp0: using parport0 (interrupt-driven). Apr 26 17:14:06 geerlof-desktop kernel: [ 214.496572] EXT3 FS on sda1, internal journal Apr 26 17:14:06 geerlof-desktop kernel: [ 214.781510] NET: Registered protocol family 10 Apr 26 17:14:06 geerlof-desktop kernel: [ 214.781735] lo: Disabled Privacy Extensions Apr 26 17:14:06 geerlof-desktop kernel: [ 215.799066] ata2: port failed to respond (30 secs, Status 0xd8) Apr 26 17:14:06 geerlof-desktop kernel: [ 215.799080] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 215.966099] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 216.126934] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x1) Apr 26 17:14:06 geerlof-desktop kernel: [ 216.126940] ata2.00: revalidation failed (errno=-5) Apr 26 17:14:06 geerlof-desktop kernel: [ 216.126946] ata2: failed to recover some devices, retrying in 5 secs Apr 26 17:14:06 geerlof-desktop kernel: [ 221.128354] ata2: soft resetting port Apr 26 17:14:06 geerlof-desktop kernel: [ 221.295346] ATA: abnormal status 0x7F on port 0x00010177 Apr 26 17:14:06 geerlof-desktop kernel: [ 221.483967] input: Power Button (FF) as /class/input/input4 Apr 26 17:14:06 geerlof-desktop kernel: [ 221.492345] ACPI: Power Button (FF) [PWRF] Apr 26 17:14:06 geerlof-desktop kernel: [ 221.560138] input: Power Button (CM) as /class/input/input5 Apr 26 17:14:06 geerlof-desktop kernel: [ 221.560629] ACPI: Power Button (CM) [PBTN] Apr 26 17:14:06 geerlof-desktop kernel: [ 221.620241] ata2.00: configured for UDMA/33 Apr 26 17:14:06 geerlof-desktop kernel: [ 221.620282] ata2: EH complete Apr 26 17:14:06 geerlof-desktop kernel: [ 221.627806] Using specific hotkey driver Apr 26 17:14:06 geerlof-desktop kernel: [ 221.684374] No dock devices found. Apr 26 17:14:06 geerlof-desktop kernel: [ 221.812445] ibm_acpi: ec object not found Apr 26 17:14:06 geerlof-desktop kernel: [ 222.048245] pcc_acpi: loading... Apr 26 17:14:06 geerlof-desktop kernel: [ 225.597930] eth0: no IPv6 routers present Apr 26 17:14:10 geerlof-desktop dhcdbd: Started up.