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Re: [libvirt] [Patch] Fix detach tap device on Xen3.3.1



On Mon, Mar 09, 2009 at 01:30:50PM +0900, Takahashi Tomohiro wrote:
> Hi,
> 
> I made the patch that corrected the following problem.
> 
> It is that when I executed the "virsh detach-disk" command on Xen3.3.1,
> Libvirt could not detach tap device and output the following error
> message.
> 
> # virsh detach-disk Fedora xvdd
> libvir: Xen Daemon error : POST operation failed: xend_post: error
> from xen daemon: (xend.err 'Device 51760 not connected')
> 
> The cause of this problem is incompatible of Xen3.3.0 and Xen3.3.1.
> I think Xen specific was changed by the following patch.
> http://xenbits.xensource.com/xen-3.3-testing.hg?rev/e0e17216ba70
> 
> If you have any comments, please suggest me.
> 
> Signed-off-by: Tomohiro Takahashi <takatom jp fujitsu com>

Thanks for reminding me about this problem - we've actally been tracking
this in BZ too.

  https://bugzilla.redhat.com/show_bug.cgi?id=475791

There's a patch in that bug which does basically the same thing as
yours, but with STREQ & an additional check to avoid NULL dereference


Daniel
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