Re: Accessing CDROM drive in laptop SATA/PATA hardware config

On Sun, Aug 12, 2007 at 06:30:48PM -0500, José Manuel Pérez wrote:
> 2007/8/12, Thomas Hahn <thahn01@t-online.de>:
> > Hello,
> > I have a Toshiba M40X-112 laptop.
> > So far I am quite happy with it, but the DVD-writer does not work.
> > I am getting loads of:
> >
> > ---snip---
> > Aug 6 13:39:01 satellita kernel: sr0: CDROM not ready. Make sure there is a disc in the drive.
> > Aug 6 13:39:32 satellita last message repeated 31 times
> > ---snap---
> >
> > I have googled around and this problem comes up quite a few times.
> > Most remedies deal with older kernels and so far I cannot figure
> > out a way to make it work.
> >
> > When I look at kernel messages, there is:
> > ---snip---
> > Aug 6 13:39:01 satellita kernel: sr0: CDROM not ready. Make sure there is a disc in the drive.
> > Aug 12 17:02:36 satellita kernel: ahci: probe of 0000:00:1f.2 failed with error -22
> > Aug 12 17:02:36 satellita kernel: ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
> > Aug 12 17:02:36 satellita kernel: ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19
> > Aug 12 17:02:36 satellita kernel: scsi0 : ata_piix
> > Aug 12 17:02:36 satellita kernel: scsi1 : ata_piix
> > Aug 12 17:02:36 satellita kernel: ata1: SATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x000118b0 irq 14
> > Aug 12 17:02:36 satellita kernel: ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x000118b8 irq 15
> > ---snap---
> >
> > So for me it looks like the ahci module is giving up and ata_piix is
> > taking over.
> > lsmod prints out:
> > ---snip---
> > Aug 6 13:39:01 satellita kernel: sr0: CDROM not ready. Make sure there is a disc in the drive.
> > sr_mod 17284 1
> > cdrom 33568 1 sr_mod
> > sd_mod 27904 6
> > ata_piix 14148 6
> > ahci 22020 0
> > ata_generic 8324 0
> > libata 116624 3 ata_piix,ahci,ata_generic
> > scsi_mod 137388 5 firewire_sbp2,sg,sr_mod,sd_mod,libata
> > ---snap---
> >
> > lspci shows:
> > ---snip---
> > 00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 03)
> > ---snap---
> >
> > kernel command line is:
> > ---snip---
> > Aug 12 17:02:36 satellita kernel: Kernel command line: root=/dev/sda5 ro libata.atapi_enabled=1
> > ---snap---
> >
> > So I have tried this libata.atapi_enabled=1 option, but this doesnt
> > help.
> >
> > Any advice?
> > Thanks Thomas
> > --
> > Thomas Hahn == thahn01@t-online.de
> >
> >
> What version of kernel do you have ?

Arggh, sorry forgot this:
2.6.22-1-686-bigmem

-- 
Thomas Hahn == thahn01@t-online.de


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