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raphiusks
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Joined: 17 Sep 2010
Posts: 19

PostPosted: Mon Sep 20, 2010 1:29 pm    Post subject: usando framebuffer/splash theme -- grub Reply with quote

olá a todos
eu utilizo o grub-1.98-r7, e fiz algumas modificações para tentar usar o framebuffer para obter uma melhor resolução no terminal e splash theme..
são 2 problemas diferentes pelo que eu imagino, mas como nenhum dos dois funciona estou postando junto. E já me adianto em pedir desculpas caso seja um post duplicado, mas não consegui achar nenhum similar...

eu consegui que a resolução da tela de greeting do grub (onde você escolhe o kernel a ser bootado), ficasse OK, com uma resolução boa.
porém, logo após selecionar o kernel e bootar, a tela fica preta (as vezes com uma imagem tentando aparecer no topo da tela), e só retorna quando meu gnome sobe.
eu li e recompilei o kernel com suporte ao Framebuffer Console Decorations, com a use flag fbcon, fbdev, fbsplash e fbcondecor, e tentei reinstalar o splashutils (ja havia instalado mas sem a USE fbcondecor), mas me dá o seguinte erro:

/usr/bin/ld: warning: cannot find entry symbol main; defaulting to 0000000000400200
Making all in src
CREATE fbsplash.h
Making all in .
libfbsplash.c: In function 'fbsplash_parse_kcmdline':
libfbsplash.c:177: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result
libfbsplash.c: In function 'fbsplash_cache_cleanup':
libfbsplash.c:497: warning: ignoring return value of 'system', declared with attribute warn_unused_result
libfbsplash.c: In function 'fbsplash_check_sanity':
libfbsplash.c:570: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result
libfbsplash.c: In function 'fbsplash_set_evdev':
libfbsplash.c:614: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result
libfbsplash.c: In function 'fbsplash_profile':
libfbsplash.c:649: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result
libfbsplash.c: In function 'fbsplash_send':
libfbsplash.c:695: warning: format not a string literal and no format arguments
libfbsplashrender.c: In function 'fbsplashr_input_init':
libfbsplashrender.c:216: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result
libfbsplashrender.c: In function 'vt_cursor_disable':
libfbsplashrender.c:593: warning: ignoring return value of 'write', declared with attribute warn_unused_result
libfbsplashrender.c: In function 'vt_cursor_enable':
libfbsplashrender.c:598: warning: ignoring return value of 'write', declared with attribute warn_unused_result
libfbsplashrender.c: In function 'fbsplashr_tty_silent_init':
libfbsplashrender.c:627: warning: ignoring return value of 'write', declared with attribute warn_unused_result
common.c: In function 'dev_create':
common.c:47: warning: ignoring return value of 'read', declared with attribute warn_unused_result
image.c: In function 'load_png':
image.c:64: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:67: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:68: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:71: warning: 'bit_depth' is deprecated (declared at /usr/include/libpng14/png.h:651)
image.c:74: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:78: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:84: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:84: warning: 'color_type' is deprecated (declared at /usr/include/libpng14/png.h:653)
image.c:96: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:96: warning: 'height' is deprecated (declared at /usr/include/libpng14/png.h:640)
image.c:100: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:101: warning: 'height' is deprecated (declared at /usr/include/libpng14/png.h:640)
image.c:117: warning: 'height' is deprecated (declared at /usr/include/libpng14/png.h:640)
image.c:119: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:121: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:130: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:142: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c:143: warning: 'width' is deprecated (declared at /usr/include/libpng14/png.h:639)
image.c: In function 'is_png':
image.c:171: warning: ignoring return value of 'fread', declared with attribute warn_unused_result
ttf.c: In function 'text_get_output':
ttf.c:676: warning: ignoring return value of 'pipe', declared with attribute warn_unused_result
ttf.c:687: warning: ignoring return value of 'dup', declared with attribute warn_unused_result
CC fbcondecor_helper-kernel.o
daemon.c: In function 'thf_switch_ttymon':
daemon.c:476: warning: ignoring return value of 'read', declared with attribute warn_unused_result
daemon.c: In function 'daemon_start':
daemon.c:652: warning: ignoring return value of 'chdir', declared with attribute warn_unused_result
CC fbcondecor_helper-libfbsplash.o
CC fbcondecor_helper-libfbsplashrender.o
CC fbcondecor_helper-fbcon_decor.o
CC fbcondecor_helper-common.o
CC fbcondecor_helper-parse.o
CC fbcondecor_helper-list.o
CC fbcondecor_helper-render.o
CC fbcondecor_helper-image.o
CC fbcondecor_helper-effects.o
CC fbcondecor_helper-ttf.o
CREATE libfbsplash.pc
CREATE libfbsplashrender.pc
daemon.c: In function 'thf_switch_ttymon':
daemon.c:476: warning: ignoring return value of 'read', declared with attribute warn_unused_result
daemon.c: In function 'daemon_start':
daemon.c:652: warning: ignoring return value of 'chdir', declared with attribute warn_unused_result
LD fbcondecor_helper
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.4/../../../../x86_64-pc-linux-gnu/bin/ld: attempted static link of dynamic object `/usr/lib64/libjpeg.so'
collect2: ld returned 1 exit status
make[4]: *** [fbsplashctl] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
emake failed
* ERROR: media-gfx/splashutils-1.5.4.3-r3 failed:
* failed to build splashutils
*
* Call stack:
* ebuild.sh, line 56: Called src_compile
* environment, line 2947: Called die
* The specific snippet of code:
* emake CC="${CC}" STRIP="true" || die "failed to build splashutils";

Detalhes:
Linux insane 2.6.35-zen3+ #5 ZEN SMP PREEMPT x86_64 Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz GenuineIntel GNU/Linux
git do zen stable.
tenho uma nvidia 8500 GT pci-e -- nvidia-drivers = 256.53 nvidia-settings = 256.52
no device drivers tenho habilitado:
- Direct Rendering Manager (nada marcado dentro)
- Lowlevel video output switch controls
- Support for frame buffer devices
- Enable Firmware EDID
- Framebuffer foreign endianness support
- support for big- and little-endian framebuffers
- Enable video mode handling helpers
## essa parte que eu tenho mexido ##
- VGA 16-color graphics support
- Userspace VESA VGA graphics support (modulo)
- VESA VGA graphics support
- nVidia framebuffer support
- Support for backlight control
## fim ##
- Display device support
- Console display driver
- VGA Text console
- Enable Scrollback buffer in System RAM
- Scrollback buffer size (64)
- Framebuffer console support
- Support for the framebuffer console decorations
- Bootup logo
- 224 color Zen kernel/meditating tux logo

insane # splash_manager --theme=sabayon --cmd=set --tty=1
Error: Theme 'sabayon' doesn't seem to provide a config file for the current resolution (640x480)

grub.cfg:

insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 986ce646-4ca5-4265-b1ee-00241f4fc2f7
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=1024x768
# vga= is deprecated, grub2 handles this just fine
# making grub2 res == linux fb res
set gfxpayload=1440x900x24,1440x900x16,1024x768x24,1024x768,800x600x24,800x600
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi

linha de comando pra bootar (tenho mudado isso direto) -- apesar do nome, não é sabayon, meu sistema foi montado pelo rescue, e eu uso overlay do sabayon e várias ferramentas, mas é 100% gentoo :wink:

menuentry "Sabayon GNU/Linux, with Linux x86_64-2.6.35-zen3+" --class sabayon --class gnu-linux --class gnu --class os {
insmod ext2
set root='(hd0,2)'
search --no-floppy --fs-uuid --set ce113a6e-a994-4913-a186-713a3224cfd1
echo Loading Linux x86_64-2.6.35-zen3+ ...
linux /kernel-genkernel-x86_64-2.6.35-zen3+ ro root=/dev/ram0 real_root=/dev/sda3 video=0x31B splash=verbose,fadein,theme:sabayon console=/dev/tty1
echo Loading initial ramdisk ...
initrd /initramfs-genkernel-x86_64-2.6.35-zen3+
}


me basiei no artigo http://en.gentoo-wiki.com/wiki/Fbsplash
se precisarem de mais informações, basta responder que postarei o quanto antes.
agradeço se puderem ajudar, uso muito o terminal e com 640x480 em breve ficarei cego..
obrigado!
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lle0
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Joined: 08 Sep 2010
Posts: 5
Location: Brazil

PostPosted: Fri Sep 24, 2010 8:23 pm    Post subject: Reply with quote

Talvez eu possa ajudar com o primeiro problema, que não deixa de ser requisito para você mesmo poder resolver o segundo. Até onde eu li o fbsplash requer o framebuffer ativo. Uso o framebuffer aqui atrávés do uvesafb; me baseei nisto e nisto. Depois disso aí você tenta o fbsplash de acordo com o link que você já se referiu.
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raphiusks
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Joined: 17 Sep 2010
Posts: 19

PostPosted: Sun Sep 26, 2010 3:08 pm    Post subject: Reply with quote

Muito obrigado pela ajuda.


Eu consegui instalar o splashutils fazendo o seguinte:
- desinstalar o virtual/jpeg
- desinstalar o openjpeg
- reinstalar o openjpeg com emerge -1 com static-libs (não deu pra fugir disso)
- revdep-rebuild
- instalar o splashutils

Em relação ao framebuffer, eu segui todas as etapas descritas, mas não dá jeito.
Eu tenho uma NVIDIA 8500 GT sem suporte algum da nvidia no kernel (li que são conflitantes com o nvidia-drivers) e apenas com as opções para uvesafb e o fbcondecor segundo os sites. Baixei o v86d botei no kernel (uso o 2.6.35-zen3+ zen git stable) o path pro initramfs, coloquei a linha video=uvesafb:1024x768-32,mtrr:3,ywrap no grub.conf e mesmo assim não vai.

Simplesmente não consigo que o framebuffer seja mapeado ( /dev/fb0 e /dev/fb/0 ) de forma alguma.
Alguém tem alguma idéia? se precisarem de mais informações é só falar que eu posto

estou pensando em tirar todo o suporte ao uvesa/fbcondecor etc do kernel.. rebootar e depois recomeçar. Porém, do jeito que está hoje, está 100% igual aos sites que você mencionou e que eu já havia visto anteriormente e não entendo por que não funciona.

Obrigado a quem puder ajudar.
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