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Re: qemu access to the native CD-ROM on f8?



On 1/21/08, Robert P. J. Day <rpjday crashcourse ca> wrote:
>
>   i'm sure i'm screwing up something simple but i'm trying to use the
> basic qemu PC system emulator and the linux image
> "linux-0.2.img[.bz2]" here:
>
> http://fabrice.bellard.free.fr/qemu/download.html
>
> to access my native CD-ROM.
>
>   it's a piece of cake to invoke the emulator thusly:
>
>   $ qemu linux-0.2.img
>
> and i can even see a reference to the "QEMU CD-ROM" go blazing by
> during the boot process.  but after that ... nothing.
>
>   the online qemu docs here:
>
> http://fabrice.bellard.free.fr/qemu/qemu-doc.html#SEC20
>
> *seem* to suggest that i should simply have access automatically via
> the device file /dev/cdrom, but the qemu session has no such file.
>
>   and the situation on the host system:
>
> $ ls -l /dev/{cdrom,scd0,sr0}
> lrwxrwxrwx  1 root root     3 2008-01-18 08:56 /dev/cdrom -> sr0
> lrwxrwxrwx  1 root root     3 2008-01-18 08:56 /dev/scd0 -> sr0
> brw-rw-rw-+ 1 root disk 11, 0 2008-01-18 08:56 /dev/sr0
> $
>
>   so i certainly seem to have sufficient device files on the host, and
> the actual device file has world R/W access.  thoughts?

I think you should start qemu with

qemu -cdrom /dev/cdrom linux-0.2.img

Andras


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