Date: Fri, 22 May 2015 11:05:56 +1000 From: Trevor Roydhouse <trev@sentry.org> To: freebsd-arm@freebsd.org Subject: Raspberry Pi 2 - Xorg issues Message-ID: <555E80F4.7030300@sentry.org>
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FreeBSD 11.0-CURRENT #0 r282694: Sun May 10 04:33:02 UTC 2015
dmesg:
fb0: <BCM2835 VT framebuffer driver> on ofwbus0
fbd0 on fb0
VT: initialize with new VT driver "fb".
fb0: 1824x984(1824x984@0,0) 24bpp
fb0: fbswap: 1, pitch 5472, base 0x3d359000, screen_size 5428224
Xorg.conf:
Section "Screen"
Identifier "Screen"
Device "Generic FB"
Monitor "Monitor"
DefaultDepth 16
SubSection "Display"
Depth 16
EndSubsection
EndSection
Produces Xorg.0.log:
[ 1051.191] (II) scfb: driver for wsdisplay framebuffer: scfb
[ 1051.272] (--) Using syscons driver with X support (version 2.0)
[ 1051.272] (--) using VT number 5
[ 1051.272] (WW) Falling back to old probe method for scfb
[ 1051.272] scfb trace: probe start
[ 1051.272] (II) scfb(0): using default device
[ 1051.273] scfb trace: probe done
[ 1051.273] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[ 1051.273] scfb: PreInit 0
[ 1051.273] (II) scfb(0): Using: depth (24), width (1824), height
(984)
[ 1051.273] (EE) scfb(0): specified depth (16) or bpp (16) doesn't
match framebuffer depth (24)
[ 1051.273] (II) UnloadModule: "scfb"
[ 1051.273] (EE) Screen(s) found, but none have a usable configuration.
Xorg.conf:
Section "Screen"
Identifier "Screen"
Device "Generic FB"
Monitor "Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubsection
EndSection
Produces Xorg.0.log:
[ 1286.519] (II) scfb: driver for wsdisplay framebuffer: scfb
[ 1286.640] (--) Using syscons driver with X support (version 2.0)
[ 1286.640] (--) using VT number 5
[ 1286.640] (WW) Falling back to old probe method for scfb
[ 1286.641] scfb trace: probe start
[ 1286.641] (II) scfb(0): using default device
[ 1286.641] scfb trace: probe done
[ 1286.641] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[ 1286.641] scfb: PreInit 0
[ 1286.641] (II) scfb(0): Using: depth (24), width (1824), height
(984)
[ 1286.641] (EE) scfb(0): specified depth (24) or bpp (32) doesn't
match framebuffer depth (24)
[ 1286.641] (II) UnloadModule: "scfb"
[ 1286.642] (EE) Screen(s) found, but none have a usable configuration.
Solution to get X up:
Leave out DefaultDepth nn in the Screen section, but this yields very
slow motion screen draws and long cursor tails. However, if I run a find
/ in an xterm, screen draws return to normal until find finishes... weird.
Any other solutions?
--
Trevor Roydhouse
BJuris, LLB, LLM (UNSW)
Systems Developer
Australasian Legal Information Institute Web : www.austlii.edu.au
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