Defaulting to verify the image integrity before installing on desktop?

Steve Langasek steve.langasek at
Wed Nov 27 16:55:08 UTC 2019

On Wed, Nov 27, 2019 at 07:02:08AM +0100, Junien Fridrick wrote:
> On Tue, Nov 26, 2019 at 09:27:33AM -0800, Steve Langasek wrote:
> > On Tue, Nov 26, 2019 at 11:02:07AM +0000, Iain Lane wrote:
> > > On Mon, Nov 25, 2019 at 05:52:21PM +0100, Sebastien Bacher wrote:
> > > > What do others think? Should we default to check the media before
> > > > booting the ISO? (And if so do we need to ensure the menu still provide
> > > > a way to skip the testing (we should at least for automaticall
> > > > installation)?)

> > > Sounds like a good idea to me, which will help some people who are faced
> > > with confusing errors otherwise. I would say we want to both allow the
> > > check to be cancelled while it's in progress (e.g. by pressing Escape),
> > > and provide a menu option to boot without checking. For info, Fedora
> > > does both of those things.

> > Has anyone measured how much time it takes to run these tests on boot, so we
> > understand what the cost is to our users of doing this by default?

> Seb did in the OP :

> > The check takes between 1 minute and a bit less than 3 minutes,
> > depending of the configuration/media. (I didn’t measure the installation
> > time then but it’s significantly longer on any of the machines)

Thanks.  For 1-3 minutes, I agree it's critical to make it possible to
bypass this before committing to do this by default.

We probably need to plan for how it can be automatically disabled, as well,
so that it doesn't impact iteration of non-interactive testing.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                         
slangasek at                                     vorlon at
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