Re: [Xen-users] Xen domu crash on boot

[Billy MacAllister <bill@xxxxxxxxxxxxx>]

On 07/30/2018 01:46 AM, Klaus Darilion wrote:
> Am 30.07.2018 um 09:21 schrieb Billy MacAllister:
> > I rebuilt a xen server today, first using the standard packages in
> > Ubuntu 18.04 and then using Ubuntu 16.04. I went back to 16.04 after I
> > was unable to get a domu's to boot successfully.  I have another
> > Xen host running successfully on 16.04.
> >
> > I am building pv domu's using xen-create-image.  The command line I am
> > using is:
> >
> > /usr/bin/xen-create-image --hostname=somehost.com --ip=10.0.0.44 \
> >   --memory=2Gb --genpass=1 --size=32Gb --pygrub --swap=2Gb  \
> >   --role=udev,cz-stretch --dist=stretch --arch=amd64
> >
> > I was getting exactly the same behavior on the Ubuntu 18.04 system, i.e.
> > domu's crash on boot. What should I try?
> >
> > I have been able to build a buster domu on the 16.04 system, but there
> > appears to be some entropy problems with it. I have to wait several
> > minutes after bootimg the domu before it will accept logins.  Once I see
> > the following message on the console I am able to login.
> >
> > [  207.744797] random: crng init done
> > [  207.744814] random: 7 urandom warning(s) missed due to ratelimiting
> >
> > This appears to be a problem with newer kernels.  Does anyone have a
> > work around?
> Maybe it is related to:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=903821
>
> Klaus

Yes, that was it.  Just added extra = 'elevator=noop pti=off' to the cfg 
for the domu's and they boot cleanly now.
Thanks a lot,

Bill

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