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Re: Ec2: Boot time delays

On 04/11/16 01:26 AM, James Bromberger wrote:
> Hello all,
> Some of you may recall a 30 second delay for xen_fb_frontend when
> booting Debian in EC2[1]. It appears that this is now starting to
> resolve - if you launch (or stop/start) an instance and get a newer BIOS
> from the hypervisor. Today I took a running instance and used dmidecode
> to look at the BIOS, and saw:

> __snip__

> Looking at the dmesg shows that xen_fb_frontend did not pause for 30
> seconds.
> I ran this stop+pause+start (again, not a reboot/restart) in us-east-1.
> New instances I have launched in US-East-1 appear to also have this
> newer bios. It may not be uniformly available worldwide at this time
> (appears this update has not yet hit eu-west-1), but it may be worth
> trying this if this particularly affects you. No changes were required
> on the running instance for this.
>   James
> [1] https://lists.debian.org/debian-kernel/2014/09/msg00305.html

Nice, thanks for finding that !
For me the problem with longer boots was about new instances in
autoscaling groups,
meaning longer reaction to scaling event.
Now it is 30 seconds faster !


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