[Grml] Boot hangs at "Looking for CD-ROM"

Michael Prokop mika at grml.org
Sun Apr 30 11:44:05 CEST 2006

* John Magolske <listmail at b79.net> [20060430 10:15]:

>  I'm trying to boot grml_small_0.2 from CDROM on a Dell inspiron 3200 laptop.
>  The splash screen comes up, the informational screens F1 - F10 are viewable,
>  but the boot process seems to hang at the point of searching for a cdrom:
>  ...
>  * Checking for USB.                     [ ok ]
>  * Checking for firewire.                [ ok ]
>  * Scanning for USB/Firewire devices.    [ ok ]
>  * Enabling DMA acceleration for: hda    [IBM-DTCA-24090]
>  * Enabling DMA acceleration for: hdc    [TOSHIBA CD-ROM XM-1702BC]
>  * Looking for CD-ROM in:    /dev/hdc

Ok, DMA was enabled at this stage.

>  At this point the cdrom starts spinning...and the process hangs indefinitely.
>  I also tried the following boot options (individually and together), to no 
>  avail:

>  noapic nolapic pci=noacpi nosmp nodma


>  grml_0.7 also hangs at this same point. The md5sums verify as ok.
>  What other things could I try to get this to boot?

Can you please try to boot with 'grml nodma ide=nodma'? This should
disable DMA globally for the IDE subsystem.

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