[elbe-devel] 'elbe initvm create' hangs after "Loading additional components"

[Manuel Traut]

Hi Norbert,
 
> after two days on-and-off fighting with this issue, I finally found
> a painful workaround:
> 
> For some reason, the wget from inside initvm was always hanging
> randomly on one of the files during the debootstrap. I tried all
> kinds of things (especially, replacing the qemu-kvm virtio network
> device by something else. Never had any success.
> 
> Ultimately, the original question by Manuel gave me an idea:
> 
> Even though I did not strictly "need" a proxy, I locally installed
> tinyproxy anyway. This allowed me to set a timeout within the proxy
> resulting in well-defined failures of wget.
> 
> After a few such failures during during the "Install the base
> system" step, the debootstrap installers would then finish this step
> with an error but return to the installer menu, allowing me to
> repeat the whole step with most of the packages already downloaded.
> Since the download failures happened randomly in the first place,
> the repeated attempt to download would then succeed and the
> installation finish successfully.
> 
> Feels good to finally have this workaround. I still have no idea
> where the actual bug sits. Hopefully, it will not get in the way of
> actually using elbe...

..interesting! Never heard from this kind of issues.

If you get dropped to the installer you can get a root shell and
read /var/log/syslog. Maybe you can get more detailed informations
there.

Regards,

  Manuel
 
> On 18.11.2015 15:16, Norbert Nemec | BLOKS. wrote:
> >Still struggling:
> >
> >The hanging is indeed somehow connected with network-traffic.
> >After many tries and some debugging into the qemu session, I
> >managed to trace it down to the 'wget' command sometimes hanging
> >on one of the downloads. Sometimes this happens during "Loading
> >additional components" sometimes this steps succeeds but then
> >"Installing the base system" hangs. Also there, I find that it is
> >one of the wget calls that hangs in the middle of a download.
> >
> >I don't see how my own network connection would cause this kind of
> >problems. Unfortunately, I have no previous experience with qemu,
> >so I don't really know how to continue investigating.
> >
> >Any ideas?
> >
> >Greetings,
> >Norbert
> >
> >
> >On 18.11.2015 08:57, manut at linutronix.de wrote:
> >>>Hi there,
> >>Hi Norbert,
> >>
> >>>on my machine, no matter what I do, the command 'elbe initvm create
> >>>myconfig.xml' hangs after showing "Loading additional components". The
> >>>process does not have any CPU load.
> >>I think it s the first time the initial
> >>Needs to download packages from a debian
> >>Mirror.
> >>
> >>Do you need a proxy? Can you try
> >>Monitoring the network traffic to
> >>Get more detailed informations?
> >>
> >>Regards,
> >>
> >>   Manuel
> >>
> >>
> >>>I tried several xml files, even without xml file, the command behaves
> >>>identically.
> >>>I called the command in an empty directory
> >>>I even rebooted the machine once and then called the command
> >>>in an empty
> >>>directory.
> >>>
> >>>Strangely enough, I believe that the command did run through at some
> >>>point before. I have no idea what I changed in the meantime.
> >>>
> >>>Thanks for any help!
> >>>
> >>>Greetings,
> >>>Norbert
> >>>
> >>>-- 
> >>>Dr. Norbert Nemec
> >>>Software Manager
> >>>
> >>>BLOKS. GmbH
> >>>Agnes-Pockels-Bogen 1
> >>>80992 Munich
> >>>Germany
> >>>
> >>>Phone +49 89 5505 461 - 21
> >>>Email nn at bloks.de
> >>>
> >>>VAT-ID: DE297724169 | Registered Court: AG Munich | HRB 215232
> >>>| Managing
> >>>Director: Daniel Meermann
> >>>
> >>>
> >>>_______________________________________________
> >>>elbe-devel mailing list
> >>>elbe-devel at linutronix.de
> >>>https://linutronix.de/mailman/listinfo/elbe-devel
> >>>
> >>
> >
> 
> -- 
> Dr. Norbert Nemec
> Software Manager
> 
> BLOKS. GmbH
> Agnes-Pockels-Bogen 1
> 80992 Munich
> Germany
> 
> Phone +49 89 5505 461 - 21
> Email nn at bloks.de
> 
> VAT-ID: DE297724169 | Registered Court: AG Munich | HRB 215232 | Managing Director: Daniel Meermann
> 
> 
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