Re: Mount and unmount CD Bug reporting

David S. Ahern
2010-04-25T15:45:30Z

It's been a while since I dug into this, as I recall the media change
needs to be detected to flush cached data. I believe mounting and
unmounting the DVD in the host will work as well, as well as dropping
the cache on the host. I needed an event mechanism rather than polling
for a once in a blue moon change hence the patch.

It is not seen with newer OS versions (e.g., Fedora 11, 12) because of
the media polling (hal service I think).

David

On 04/25/2010 09:32 AM, Matt Burkhardt wrote:
> Thanks - but I don't feel comfortable hacking this - I wanted to try and
> get this reported as a bug, but the directions for submitting a bug are
> too restrictive for me to do this. For example, it says that you have
> to install the latest version of kvm, run and compile it with different
> flags. If I had a development box, I would be happy to do this, but
> without one, I can't come close to the requirements for submitting a
> bug. Could someone else do this? Since two of us are having the same
> issue with two different versions of RHEL, it seems like it would point
> to a bug....
>
> On Fri, 2010-04-23 at 12:52 -0600, David S. Ahern wrote:
>> oops. the previous patch rides on top of this one.
>>
>> David
>>
>>
>> On 04/23/2010 12:18 PM, David S. Ahern wrote:
>> > I saw this with RHEL5.3. I ended up hacking qemu to re_open the CD every
>> > so often. See attached.
>> >
>> > David
>> >
>> >
>> > On 04/23/2010 09:10 AM, Matt Burkhardt wrote:
>> >> I'm having a problem with a virtual machine running under RHEL 5.4
>> >> 64-bit. I take out the CD / insert a new and the main machine sees the
>> >> new cd and makes it available. However, the virtual machines still see
>> >> the old CD. I've tried mounting the new CD, but it just keeps mounting
>> >> what it "thinks" is in there - the old one.
>> >>
>> >> Any ideas?
>> >>
>> >>
>> >> Matt Burkhardt
>> >> Impari Systems, Inc.
>> >>
>> >> mlb@imparisystems.com <mailto:mlb@imparisystems.com>
>> >> http://www.imparisystems.com
>> >> http://www.linkedin.com/in/mlburkhardt
>> >> http://www.twitter.com/matthewboh
>> >> 502 Fairview Avenue
>> >> Frederick, MD 21701
>> >> work (301) 682-7901
>> >> cell (301) 802-3235
>> >>
>> >>
>> >>
>> >> --
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>> >> More majordomo info at http://vger.kernel.org/majordomo-info.html
>> >>
>
>
> Matt Burkhardt
> Impari Systems, Inc.
>
> mlb@imparisystems.com <mailto:mlb@imparisystems.com>
> http://www.imparisystems.com
> http://www.linkedin.com/in/mlburkhardt
> http://www.twitter.com/matthewboh
> 502 Fairview Avenue
> Frederick, MD 21701
> work (301) 682-7901
> cell (301) 802-3235
>
>