Boot failure - svn up from this morning

[Dexuan Cui]

> From: Alex Deiter [mailto:alex.deiter at gmail.com]
> Sent: Wednesday, March 8, 2017 09:39
> To: Dexuan Cui <decui at microsoft.com>; freebsd-current <freebsd-
> current at freebsd.org>
> Cc: Chris H <bsd-lists at bsdforge.com>; AN <andy at neu.net>; Ngie Cooper
> (yaneurabeya) <yaneurabeya at gmail.com>; Michael Tuexen
> <tuexen at freebsd.org>; Roberto Rodriguez Jr <rob.rodz.jr9 at gmail.com>; Guido
> Falsi <mad at madpilot.net>; Warner Losh <imp at bsdimp.com>; Ultima
> <ultima1252 at gmail.com>; Sepherosa Ziehau <sephe at freebsd.org>
> Subject: Re: Boot failure - svn up from this morning
> 
> Hello Dexuan,
> 
> This issue reproduced at least for 4 different HW platform:
> 
> Supermicro 6037R-TXRF
> Supermicro A1SRM-2758F
> Supermicro X9SCM-F
> Gigabyte GA-C1037UN-EU
> 
> How can I help you resolve this issue ?
> 
> Thank you!
> 
> The same result for r314862:

Weird... :-(
I'm looking at the code again. Will report back soon.