freebsd stable - Mar 2016 - Skylake Loader Performance 10.3-BETA3

Hello,

I?ve been testing a new Skylake E3 Xeon server with 10.3-BETA3. The slow loader
issue described on the forums https://forums.freebsd.org/threads/53511/ is still
present. On my Supermicro X11SSH-LN4F motherboard with E3-1260L v5 it takes over
ten minutes to get to kernel boot. After that performance seems normal (though
I?m still testing). This issue occurs when booting the installer from a USB
stick or when booting the installed OS over SATA.

I understand using UEFI resolves this issue, although I only have one Skylake
motherboard model on which to confirm this. I know this issue is unlikely to be
fixed for 10.3 release, but I think it should be noted in the release and/or
hardware notes. Skylake systems are going to be increasing numerous this year,
especially now Skylake Xeons are starting to ship in volume.

I am happy to test patches and/or current on this server if that helps. If you
want more details on the motherboard/system I have started a post on it at
http://buildwithbsd.org/hw/skylake_xeon_server.html

TIA
Will

Will Green <will <at> sundivenetworks.com> writes:
> 
> I am happy to test patches and/or current on this server if that helps. If
you want more details on the
> motherboard/system I have started a post on it at
http://buildwithbsd.org/hw/skylake_xeon_server.html
> 
I've made the UEFI switch which worked fine, but I'm also happy to help
out
with testing if anyone looks at this.