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Date:      Mon, 12 Dec 2016 02:09:51 +0300
From:      Slawa Olhovchenkov <slw@zxy.spb.ru>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        current@freebsd.org
Subject:   Re: Enabling NUMA in BIOS stop booting FreeBSD
Message-ID:  <20161211230951.GB90287@zxy.spb.ru>
In-Reply-To: <20161211224621.GA90287@zxy.spb.ru>
References:  <20161126092124.GM57876@zxy.spb.ru> <20161126155747.GF54029@kib.kiev.ua> <20161211182111.GH31311@zxy.spb.ru> <20161211191626.GI31311@zxy.spb.ru> <20161211192656.GZ54029@kib.kiev.ua> <20161211194559.GJ31311@zxy.spb.ru> <20161211200654.GA54029@kib.kiev.ua> <20161211204709.GK31311@zxy.spb.ru> <20161211211552.GL31311@zxy.spb.ru> <20161211224621.GA90287@zxy.spb.ru>

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On Mon, Dec 12, 2016 at 01:46:21AM +0300, Slawa Olhovchenkov wrote:

> > > > > > Can you show the verbose dmesg up to the failure point ?
> > > > > > In particular, the SMAP lines should be relevant.
> > > > > 
> > > > > KDB: debugger backends: ddb
> > > > > KDB: current backend: ddb
> > > > > exit from kdb_init
> > > > > KDB: enter: Boot flags requested debugger
> > > > > [ thread pid 0 tid 0 ]
> > > > > Stopped at      0xffffffff805361eb = kdb_enter+0x3b:    movq
> > > > > $0,0xffffffff80dcef20 = kdb_why

Hang at boot is result of combination next two BIOS setting:

NUMA enabled
Socket Interleave below 4G enabled (memory options)

Disabling any allow boot.




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