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Old 06-15-2007, 04:13 PM   #1
dasoberdick
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LCD screen is blank after lilo on VGN-S580P


I am having module issues so I figure if I was going to have to recompile the kernel I might as well just compile a new one.

So I configured and compiled the 2.6.21.5 kernel. Added the new image to Lilo and rebooted. The dots scroll across the screen and then its blank, i got nothing. But I can still hear the hard drive ticking and the read light is on. control alt delete and the thing reboots so i figure i just have display issues. I changed an LCD option in the kernel (something like add LCD and backlight support, thought that might help even though i have no clue what it does), reboot and nothing. But I let it go anyways and just on a whim, after I had already started typing this message, I decided to try to log in anyways. I log in, type startx and bam the X server comes up and I have a display.

What is going on?
 
Old 06-15-2007, 04:26 PM   #2
H_TeXMeX_H
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Did you remember to run '/sbin/lilo' after changing '/etc/lilo.conf' ?
 
Old 06-15-2007, 04:31 PM   #3
Quakeboy02
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I am also having some odd problems with my LCD during boot, but in Debian. From time to time, the screen will act like it is going bad. IOW, anything that is displayed will fade out from the center to the edges. If I CTL-ALT-F1 and then CTL-ALT-Del to reboot, it will come up just fine. I have no idea what is going wrong. It only happens occasionally and only on bootup. When this problem occurs, I do not get the boot messages on the screen. The first thing I see is the NVIDIA logo flash then it fades away.
 
Old 06-15-2007, 04:38 PM   #4
dasoberdick
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Quote:
Did you remember to run '/sbin/lilo' after changing '/etc/lilo.conf' ?
yes. I am running the new kernel. I have a working system (minus the freaking wireless which is why I undertook this endevour)
 
Old 06-15-2007, 05:07 PM   #5
H_TeXMeX_H
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Did you remember to compile in framebuffer support ? (vesafb)
 
Old 06-15-2007, 05:30 PM   #6
dasoberdick
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nope, what would that be under?
 
Old 06-15-2007, 06:02 PM   #7
H_TeXMeX_H
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Device Drivers -> Graphics Support -> Support for frame buffer devices

and possibly also

VESA VGA graphics support
(recommended)
 
Old 06-15-2007, 08:28 PM   #8
dasoberdick
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yeah i did that and I still got nothing.
 
Old 06-15-2007, 08:39 PM   #9
H_TeXMeX_H
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Hmmm ... well, here's my kernel config (relevant sections):

Code:
#
# Graphics support
#
CONFIG_FB=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_FIRMWARE_EDID is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_ARC is not set
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
CONFIG_FB_VESA=y
CONFIG_VIDEO_SELECT=y
# CONFIG_FB_HGA is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_I810 is not set
# CONFIG_FB_INTEL is not set
# CONFIG_FB_MATROX is not set
# CONFIG_FB_RADEON is not set
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_CYBLA is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_GEODE is not set
# CONFIG_FB_VIRTUAL is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
CONFIG_FONTS=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
# CONFIG_FONT_6x11 is not set
# CONFIG_FONT_7x14 is not set
# CONFIG_FONT_PEARL_8x8 is not set
# CONFIG_FONT_ACORN_8x8 is not set
# CONFIG_FONT_MINI_4x6 is not set
# CONFIG_FONT_SUN8x16 is not set
# CONFIG_FONT_SUN12x22 is not set
# CONFIG_FONT_10x18 is not set
Not sure what else it could be ...
 
Old 06-16-2007, 03:30 AM   #10
dasoberdick
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i have never looked in that file. I always just used the configure program. I guess I'll have to dig into it and take another step up the Linux learning curve.
 
Old 06-16-2007, 01:03 PM   #11
H_TeXMeX_H
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Well, technically you should not edit it manually, because it involves many dependencies. Some modules require that others be build too. But, when changing one or two minor things, it may not matter. A better way is if you use 'make menuconfig' press the '/' key to search for stuff.
 
  


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