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Date: Thu, 20 May 2010 16:45:11 -0600
From: "David S. Ahern" <daahern@cisco.com>
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Subject: Re: [Qemu-devel] Problems changing dvdrom iso during execution
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To: adnan@khaleel.us
Cc: Qemu-devel@nongnu.org



On 05/20/2010 03:48 PM, Adnan Khaleel wrote:
> Thanks for your response.
> 
> 
>     Does it work if the guest uses ide based CD's:
>     rmmod ide-scsi
>     modprobe ide-cd
> 
> There isn't an ide-scsi but there is a scsi_mod and when I try to remove
> that it gives
> ERROR: Module scsi_mod is in use by sr_mod,sg,sd_mod,libata
> 
> modprobe ide-cd seems to work.

Ok, I pulled those from a RHEL3 VM. Looks like SLES11 is using a newer
2.6 kernel. The idea I was poking at was to get the CD in the VM to go
through the ide-cd layer and not the ata/scsi route. I had to do that
for my RHEL3 guest to get some consistency with the DVD -- similar to
the problem you are seeing.

David

> 
> However it doesn't fix the problem.
> 
> Interestingly, before doing modprobe ide-cd,
> linux> lsmod | grep ide
> ide_pci_generic     4652    0
> ide_core              115068 2 ide_pci_generic, piix
> 
> After the modprobe ide-cd, I get
> ide_cd_mod      33984    0
> cdrom              36200    2  ide_cd_mod, sr_mod
> ide_pci_generic     4652    0
> ide_core              115068 3 ide_cd_mod, ide_pci_generic, piix
> 
> 
> 
>