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Date:      Thu, 21 Mar 2013 20:31:06 +0200
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Gary Jennejohn <gljennjohn@googlemail.com>
Cc:        current@freebsd.org, Shawn Webb <lattera@gmail.com>
Subject:   Re: Silent reboots in head @r248550 starting xdm with x11/nvidia-driver
Message-ID:  <20130321183105.GB3794@kib.kiev.ua>
In-Reply-To: <20130321191426.25b1b327@ernst.jennejohn.org>
References:  <20130320174458.GG3794@kib.kiev.ua> <20130320180239.GN32811@albert.catwhisker.org> <20130320200857.GN3794@kib.kiev.ua> <20130321013610.GB42912@albert.catwhisker.org> <20130321080441.GS3794@kib.kiev.ua> <20130321133446.GF42912@albert.catwhisker.org> <20130321135835.GX3794@kib.kiev.ua> <CADt0fhxnfB7i7iha8%2BbDOtzT6GcyzKs2OXECN5UxhLi=QfRKQw@mail.gmail.com> <CADt0fhzUJaF1Ez1uPtwvQ7GOB3ak8Mg-4OrJevqK383cx-%2BrGQ@mail.gmail.com> <20130321191426.25b1b327@ernst.jennejohn.org>

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On Thu, Mar 21, 2013 at 07:14:26PM +0100, Gary Jennejohn wrote:
> I wonder whether there isn't some dependency on the graphics chip being
> used.
>=20
> I'm running r248589 AMD64 and didn't have to touch a thing to get X
> to start.
>=20
> But I'm using an older, presumably less demanding graphics chip:
You use the amd64 kernel, which has ample KVA space.
The problem is specific to i386.

>=20
> vgapci0@pci0:1:0:0:     class=3D0x030000 card=3D0x19051462 chip=3D0x0a651=
0de rev=3D0xa2 hdr=3D0x00
>     vendor     =3D 'NVIDIA Corporation'
>     device     =3D 'GT218 [GeForce 210]'
>     class      =3D display
>     subclass   =3D VGA
>     bar   [10] =3D type Memory, range 32, base 0xfb000000, size 16777216,=
 enabled
>     bar   [14] =3D type Prefetchable Memory, range 64, base 0xc0000000, s=
ize 268435456, enabled
>     bar   [1c] =3D type Prefetchable Memory, range 64, base 0xde000000, s=
ize 33554432, enabled
>     bar   [24] =3D type I/O Port, range 32, base 0xef00, size 128, enabled
>=20
> Above all, bar [14] is only half as large.

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