UEFI & ZFS

[Daniel Braniss]

> On 14 Feb 2016, at 11:52, Yamagi Burmeister <lists at yamagi.org> wrote:
> 
> Hello,
> this is a known problem with Intel Skylake CPUs. Legacy boot os dead
> slow, UEFI boot is blazing fast. Have a look at this thread, it contains
> some more informations:
> 
> https://lists.freebsd.org/pipermail/freebsd-current/2015-December/059037.html
> 
> As far as I know now one has found / analyzed the root cause of this
> until now.

when saying ‘slow’, do you see slowness when printing output to the screen?
I mention this, because in the past I saw something similar, and it was a
misconfiguration with the serial console …

danny

> 
> Regard,
> 
> 
> On Fri, 12 Feb 2016 15:36:10 -0500
> "Thomas Laus" <lausts at acm.org> wrote:
> 
>>> I have a new Asus H170-Plus-D3 motherboard that will be used for a DOM0 Xen
>>> Server.  It uses an Intel i5-6300 processor and a Samsung 840 EVO SSD.  I
>>> would like to use ZFS on this new installation.  The Xen Kernel does not
>>> have UEFI support at this time, so I installed FreeBSD CURRENT r295345 in
>>> 'legacy mode'.  It takes about 7 minutes to go from the first '|' character
>>> to getting the 'beastie' menu.  I changed the BIOS to UEFI and did another
>>> installation.  The boot process goes in an instant.
>> 
>> Several others have the same problem. See here on the freebsd forums:
>> 
>> http://tinyurl.com/z9oldkc
>> 
>> That is my exact problem.  It takes 4 minutes to get a complete 'beastie' 
>> menu and 7 minutes 34 seconds to login.
>> 
>> Tom
>> 
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> 
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