Re: [PATCH] xen: wait up to 5 minutes for device connection

[Valdis . Kletnieks]

On Fri, 03 Jul 2009 23:21:35 +0200, Gerd Hoffmann said:

> Usually it is *much* faster, but when the host is quite loaded it can 
> take a unusual long time.  With 10 seconds it happends in practice now 
> and then that a virtual machine fails to boot just because the virtual 
> root disk didn't show up fast enough.

Are people actually trying to boot a guest on a host machine so loaded that
disks take that long to show up - and expect things to work in any sane
matter?

I'm tempted to suggest that booting under conditions like that is almost
deserving of its own kernel Tainted flag.  If devices aren't showing up in
a timely manner, we probably need to be leery of any other kernel timeout
values as well...

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