Hi,
I am trying to run Angstrom file system for my DM6446x+ purchased from TI.
I downloaded their file system and managed to get their 2.6.32-davinci-rc2
kernel from the arago git tree.
I configured the kernel with the default davinci_dm644x_defconfig configuration.
I configured my uboot to load the kernel through tftp and NFS while DHCP
enabled.
My boot args are:
"setenv bootargs
video=davincifb:vid0=0,2500K:vid1=0,2500K:osd0=720x576x16,2025K
davinci_enc_mngr.ch0_output=COMPOSITE davinci_enc_mngr.ch0_mode=pal
console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/dev/nfs
nfsroot=10.130.201.55:/home/amrali/Angstrom/random-d526768f-image-dm6446-evm,nolock
mem=120M"
Whenever I boot the kernel, I get the message
"davincifb davincifb: dm_osd0_fb: 720x576...@0,0 with framebuffer size 2025KB
davincifb davincifb: dm_vid0_fb: 0x0...@0,0 with framebuffer size 2500KB
davincifb davincifb: dm_osd1_fb: 720x57...@0,0 with framebuffer size 2025KB
davincifb davincifb: dm_vid1_fb: 0x0...@0,0 with framebuffer size 2500KB
davincifb davincifb.0: dm_osd0_fb: Failed to obtain ownership of OSD window."
Any clues about why it is failing to open the frame buffer? I can't get any
application with GUI working on my screen as well as I do not see the boot logo.
--
Amr Ali
Embedded Systems Developer
www.embedded-tips.blogspot.com
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