Perhaps the optical drive has failed or lost its connection to the scsi bus.

ls -l sr?
or
dmesg | less should tell you if you have a dev/sr0


On Mon, Nov 9, 2020 at 12:25 PM Beartooth <beartooth@comcast.net> wrote:
On Sun, 08 Nov 2020 17:57:41 -0800, ToddAndMargo via users wrote:

> On 2020-11-08 13:07, Beartooth wrote:
>>
>>      I have a DVD with F 33 Live, in the drawer of an oldish machine.
>> I can't get it to boot from the DVD.

> How to test for a 64 bit CPU:
>
> $ lscpu | grep -i bit CPU op-mode(s):                  32-bit, 64-bit
> Address sizes:                   39 bits physical, 48 bits virtual

        Looks like I get what you get:

 lscpu | grep -i bit
CPU op-mode(s):                  32-bit, 64-bit
Address sizes:                   39 bits physical, 48 bits virtual

        -- but is that good or bad?

        Fwiw, I tried over and over to get it to boot from a medium in the
tray -- which I neither downloaded nor burned from this machine. But I
think it's not the image: no matter what I find to do in setup (in either
setup, actually -- there seem to be two), the machine shows no sign of
even knowing the medium is there. It just goes right into booting F 32.

        It's possible that I'm failing to recognize the commands, in
either setup display, that will tell the machine to boot from a medium in
its drawer.

        I tried opening and re-closing the drawer. The machine hadn't
mounted the medium, and still didn't. Neither Disk Mounter nor gnome-disk
sees anything in the drawer. Usermount launched by my user denies there
is anything I'm allowed to mount nor unmount, and admonishes me to
contact my administrator. As root, it pops up a box offering to let me
unmount /boot; /boot is full of F 32 files, but shows nothing with 33 in
its name.

        I have not yet tried burning the .iso to a thumb drive. If the
lscpu result above doesn't mean doom, somebody please remind me how to do
it, or where to re-read how!
--
Beartooth Staffwright, Not Quite Clueless Power User
Remember I know little (precious little!) of where up is.
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