[Libguestfs] Problem with virt-sysprep

[Stuart Young]

Hi Richard,

That did it! I had /tmp symlinked so changing it back solved the 
problem. Thank you so much - you saved me a lot of time and sweat!

Bests,

Stuart


On 04/08/2014 03:07 PM, Richard W.M. Jones wrote:
> On Mon, Apr 07, 2014 at 10:12:05PM -0700, Stuart Young wrote:
>> Hi there,
>>
>> I was wondering if you could help me with a problem I'm having with
>> virt-sysprep. It's a recurrent problem running virt-sysprep:
>>
>>     Examining the guest ...
>>     Fatal error: exception Guestfs.Error("guestfs_launch failed.
>>     See http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs
>>     and/or run 'libguestfs-test-tool'.")
>>
>> So I ran virt-sysprep and libguestfs-test-tool after setting these:
>>
>>   export LIBGUESTFS_DEBUG=1
>>   export LIBGUESTFS_TRACE=1
>>
>> ... and have attached the output files.
> Thanks for the detailed debugging information.  The bug is really very
> strange:
>
>    mkdtemp: /tmp/lvmKOCUDb: No such file or directory
>
> It comes from this code in the appliance:
>
>    https://github.com/libguestfs/libguestfs/blob/master/daemon/lvm-filter.c#L72
>
> That link is to the latest upstream code.  It hasn't changed at all
> since 1.20 (or for years before that), so I find it quite baffling why
> it is failing now.
>
> Is /tmp (on your host) a regular directory or have you moved it or
> symlinked it or done something else to it?
>
> You could try the following which should cause a real /tmp directory
> to be created in the appliance:
>
>    mkdir tmp
>    echo tmp | cpio --quiet -o -H newc > /usr/lib64/guestfs/supermin.d/00-tmp.img
>    rmdir tmp
>
> Rich.
>

-- 
Stuart Young
Director of Bioinformatics
Annai Systems
2100 Palomar Airport Road, Suite 210,
Carlsbad, CA 92008
Mobile: 305-781-2286
Email: stuarty at annaisystems.com