[Bug 38688] Re: unable to boot

Ok, so i think the key is in this pic:

http://www.mcc.unam.mx/~acornejoc/public/temp/DSCN1438.JPG

The output differs from the previous kernel, here it is (using dmesg with 15-19)

[   17.791201] ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0xFFA0 irq 14
[   17.945593] ata1: dev 0 cfg 49:2f00 82:346b 83:7701 84:4003 85:3469 86:3401 
87:4003 88:207f
[   17.945598] ata1: dev 0 ATA-7, max UDMA/133, 312500000 sectors: LBA48
[   17.945831] ata1: dev 0 configured for UDMA/133
[   17.945834] scsi0 : ata_piix
[   17.946085]   Vendor: ATA       Model: ST3160828AS       Rev: 8.04
[   17.946100]   Type:   Direct-Access                      ANSI SCSI revision: 
05
[   17.946347] ata2: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xFFA8 irq 15
[   18.267525] ata2: dev 0 cfg 49:0f00 82:0210 83:4011 84:4000 85:0000 86:0001 
87:4000 88:0407
[   18.267528] ata2: dev 0 ATAPI, max UDMA/33
[   18.267530] ata2(0): applying bridge limits
[   18.421481] ata2: dev 1 cfg 49:0b00 82:0000 83:0000 84:0000 85:0000 86:0000 
87:0000 88:0407
[   18.421484] ata2: dev 1 ATAPI, max UDMA/33
[   18.421486] ata2(0): applying bridge limits
[   18.421671] ata2: dev 0 configured for UDMA/33
[   18.421865] ata2: dev 1 configured for UDMA/33
[   18.421868] scsi1 : ata_piix
[   18.422492]   Vendor: TSSTcorp  Model: DVD-ROM TS-H352C  Rev: DE02
[   18.422507]   Type:   CD-ROM                             ANSI SCSI revision: 
05
[   18.423974]   Vendor: _NEC      Model: DVD+-RW ND-3530A  Rev: 103C
[   18.423989]   Type:   CD-ROM                             ANSI SCSI revision: 
05

So when using 15-19 I get ata1=hard drive, ata2=dvd+dvdrw

In contrast, in 15-20 I get ata1=0x1fe IDE port busy, and after that, 
ata1=dvd+dvdrw and I get no hard drive.
-- 
unable to boot
https://launchpad.net/malone/bugs/38688