[fedora-virt] Virtual CD-ROM & floppy problems in F16

Markus Armbruster armbru at redhat.com
Wed Jan 4 07:20:33 UTC 2012


Ian Pilcher <arequipeno at gmail.com> writes:

> On 01/02/2012 03:43 AM, Markus Armbruster wrote:
>> What is your exact qemu-kvm command line?  Fish it out of libvirt's
>> GUEST.log.
>
> It's long.  ;-)  It does, however, include the following:

It's always long :)

> -drive file=/mnt/scratch/software/virt-
> drivers/virtio-win-1.1.16.vfd,if=none,id=drive-fdc0-0-0,format=raw
> -global isa-fdc.driveA=drive-fdc0
> -0-0 -global isa-fdc.bootindexA=3
>
>> $ virsh qemu-monitor-command --hmp GUEST 'info qtree'
>> 
>> What do you get?
>
>           dev: isa-fdc, id ""
>             dev-prop: driveA = drive-fdc0-0-0
>             dev-prop: driveB = <null>
>             dev-prop: bootindexA = 3
>             dev-prop: bootindexB = -1
>             isa irq 6

Looks good.

>> If you have a drive, look it up in output of:
>> 
>> $ virsh qemu-monitor-command --hmp GUEST 'info block'
>
> drive-fdc0-0-0: removable=1 locked=0
> file=/mnt/scratch/software/virt-drivers/virtio-win-1.1.16.vfd ro=0
> drv=raw encrypted=0

Looks good, too.

> Within the guest, Device Manager shows a "Standard floppy disk
> controller", but it does not show an attached drive.
>
> I haven't found anything in any of the log files that indicates a
> problem.  Weird and annoying.

Fedora 16, you said.  Could be this one:

https://bugzilla.redhat.com/show_bug.cgi?id=753863

Comment#2 promises the fix "will make the next update".  Justin, got an
ETA?


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