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UVesaFB - The Successor to VesaFB-TNG (Bootsplash)
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cubancigar11
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Posts: 330

PostPosted: Tue Jul 15, 2008 6:04 am    Post subject: Reply with quote

Anyone else getting these errors:
Code:
uvesafb: mode switch failed (eax=0x34f, err=0). Trying again with default timings.

I am using 2.6.24.5-smp (only security patches)
I found a similar report on http://lkml.org/lkml/2008/7/10/526 , but with no reply :(
Is this erroneous? Or just warning?

(Unlike the report there, using mplayer with fbdev doesn't result in more of these warnings)
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dmvianna
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Joined: 22 Mar 2004
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Location: Down Underland

PostPosted: Sat Jul 19, 2008 12:26 pm    Post subject: Reply with quote

Code:
uvesafb: mode switch failed (eax=0x34f, err=0). Trying again with default timings.
uvesafb: mode switch failed (eax=0x85ce, err=0)


Only after merging 0.1.5.2, and I am getting it with the 2.6.25-r6 kernel. My framebuffer is fairly unstable after the update, but I'm not sure it's a bug. It might be that I crashed X while I was doing the update, and might have missed some important emerge information, or not done some important re-emerges... :?

[EDIT]:
It all works nicely on the 2.6.24-r8 kernel... I guess that's a kernel issue. :wink:
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monsm
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PostPosted: Sat Aug 16, 2008 9:40 pm    Post subject: Reply with quote

Hi was having problems getting silent splash to work on vesafb and have installed uvesafb in order to see if that fixes it, but no such luck.

My splash screen comes up, but is overwritten with the boot messages. This is my grub line:
Code:
title Gentoo Linux 2.6.25-r7
        kernel /kernel-genkernel-x86-2.6.25-gentoo-r7 udev ro dodmraid dolvm root=/dev/VolGroup00/LogVol00 video=uvesafb:1280x1024-32@60,mtrr:3 splash=silent,fadein,theme:NewTux CONSOLE=/dev/tty1 quiet fbcon=scrollback:128K
        initrd /initramfs-genkernel-x86-2.6.25-gentoo-r7


I have tried several alternatives, adding that scrollback thing was just my last attempt. I also had ywrap there, but tried to remove it too. Nothing makes much difference. My NewTux penguin still gets overwritten.

This is my dmesg messages:
Code:
pci 0000:02:00.0: Boot video device
uvesafb: NVIDIA Corporation, nv40 Board - p201-7  , Chip Rev   , OEM: NVIDIA, VBE v3.0
uvesafb: protected mode interface info at c000:ce20
uvesafb: pmi: set display start = c00cce56, set palette = c00ccec0
uvesafb: pmi: ports = 3b4 3b5 3ba 3c0 3c1 3c4 3c5 3c6 3c7 3c8 3c9 3cc 3ce 3cf 3d0 3d1 3d2 3d3 3d4 3d5 3da
uvesafb: VBIOS/hardware supports DDC2 transfers
uvesafb: monitor limits: vf = 85 Hz, hf = 81 kHz, clk = 130 MHz
uvesafb: scrolling: ywrap using protected mode interface, yres_virtual=2048
Console: switching to colour frame buffer device 160x64
fbcondecor: console 0 using theme 'NewTux'
fbcondecor: switched decor state to 'on' on console 0
uvesafb: framebuffer at 0xd0000000, mapped to 0xf8880000, using 10240k, total 262144k
fb0: VESA VGA frame buffer device


Far as I know i have followed the instructions. Any idea how to make this silent/quiet? I also have to press CTRL+ALT+F7 to get to the Gnome login screen...

Mons

EDIT: Never mind, found the problem.
Code:
title Gentoo Linux 2.6.25-r7
        kernel /kernel-genkernel-x86-2.6.25-gentoo-r7 udev ro dodmraid dolvm root=/dev/VolGroup00/LogVol00 video=uvesafb:1280x1024-32@60,mtrr:3 splash=silent,kdgraphics,fadein,theme:NewTux console=tty1 quiet
        initrd /initramfs-genkernel-x86-2.6.25-gentoo-r7

Was a matter of adding kdgraphics.
I also added "console=tty1" instead of the upper case version further up. Not sure if that last bit was needed...
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danrok^
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Joined: 11 Sep 2004
Posts: 117
Location: Poland, Zabrze

PostPosted: Wed Aug 20, 2008 4:00 pm    Post subject: Reply with quote

Hi,
I've got working uvesafb and 1280x800 resolution on Intel 945GM
Code:
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)

but with uvesafb in module, I load it by /etc/conf.d/local.start. I have also file /etc/modules.d/uvesafb with module options for uvesafb. It's working, but resolution changes very late, almost after starting xorg. is it possible to get it working in kernel, not as a module? Someone did it? When I set uvesafb in kernel it doesn't work, but no errors:

Code:
kernel command line: root=/dev/sda2 video=uvesafb:1280x800-32@60,mtrr:3,ywrap
uvesafb: Intel Corporation, Intel(r) 82945GM Chipset Family Graphics Controller, Hardware Version 0.0, OEM: Intel(r) 82945GM Chipset Family Graphics Chip Accelerated VGA BIOS, VBE v3.0
uvesafb: VBIOS/hardware supports DDC2 transfers
uvesafb: monitor limits: vf = 60 Hz, hf = 49 kHz, clk = 71 MHz
uvesafb: scrolling: redraw
uvesafb: framebuffer at 0xd0000000, mapped to 0xf8c80000, using 7872k, total 7872k


Any ideas?
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Sergey.T
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Joined: 27 Aug 2008
Posts: 46

PostPosted: Thu Aug 28, 2008 12:39 pm    Post subject: Reply with quote

I have the same problem.

Code:

 ~ # dmesg | grep -i vesa
Kernel command line: root=/dev/sda3 video=uvesafb:1280x1024
uvesafb: (C) 1988-2005, ATI Technologies Inc. RV51501.00, RV51501.00, 01.00, OEM: ATI ATOMBIOS(C) 1988-2005, ATI Technologies Inc. RV51501.00, VBE v3.0
uvesafb: protected mode interface info at c000:a118
uvesafb: pmi: set display start = c00ca1a6, set palette = c00ca268
uvesafb: VBIOS/hardware supports DDC2 transfers
uvesafb: monitor limits: vf = 75 Hz, hf = 81 kHz, clk = 140 MHz
uvesafb: scrolling: ypan using protected mode interface, yres_virtual=13107
uvesafb: framebuffer at 0xe0000000, mapped to 0xf8880000, using 16384k, total 16384k
fb0: VESA VGA frame buffer device

 ~ # lspci | grep Display
04:00.1 Display controller: ATI Technologies Inc RV515 PRO [Radeon X1300/X1550 Series] (Secondary)


No error messages, no tries to change video mode.
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floppes
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Joined: 06 Jan 2005
Posts: 67
Location: Darmstadt, Germany

PostPosted: Tue Jun 16, 2009 7:55 am    Post subject: Reply with quote

I installed Gentoo today freshly with kernel 2.6.29 amd64. I followed spock's tutorial on how to install uvesafb but I can't get a high resolution for my console, not even 800x600. My laptop display supports up to 1680x1050.

Code:
~ # dmesg | grep vesa
Command line: root=/dev/sda8 video=uvesafb:800x600
Kernel command line: root=/dev/sda8 video=uvesafb:800x600
uvesafb: NVIDIA Corporation, G96 Board - 05666480, Chip Rev   , OEM: NVIDIA, VBE v3.0
uvesafb: VBIOS/hardware doesn't support DDC transfers
uvesafb: no monitor limits have been set, default refresh rate will be used
uvesafb: scrolling: redraw
uvesafb: framebuffer at 0xfb000000, mapped to 0xffffc20011100000, using 13781k, total 14336k


Code:
~ # cat /sys/bus/platform/drivers/uvesafb/uvesafb.0/vbe_modes
640x400-8, 0x0100
640x480-8, 0x0101
800x600-8, 0x0103
1024x768-8, 0x0105
1280x1024-8, 0x0107
320x200-16, 0x010e
320x200-32, 0x010f
640x480-16, 0x0111
640x480-32, 0x0112
800x600-16, 0x0114
800x600-32, 0x0115
1024x768-16, 0x0117
1024x768-32, 0x0118
1280x1024-16, 0x011a
1280x1024-32, 0x011b
320x200-8, 0x0130
320x400-8, 0x0131
320x400-16, 0x0132
320x400-32, 0x0133
320x240-8, 0x0134
320x240-16, 0x0135
320x240-32, 0x0136
640x400-16, 0x013d
640x400-32, 0x013e
1280x800-8, 0x0160
1280x800-32, 0x0161
768x480-8, 0x0162
1680x1050-8, 0x0168
1680x1050-32, 0x0169
1280x720-32, 0x017b


Any ideas?

Update:
I solved it. I just browsed my kernel config and selected Device Drivers --> Graphics Support --> Console display driver support --> Framebuffer Console support
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monsm
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Joined: 26 Sep 2007
Posts: 463
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PostPosted: Tue Jun 16, 2009 4:51 pm    Post subject: Reply with quote

Well, here is my video setting from the grub.conf file:
Code:
video=uvesafb:1280x1024-32@60,mtrr:3


Hope that helps.

Mons
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