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Ramdisk of 128M Linux can't start up in dm8168evm platform

chunhong chi
Intellectual 300 points

My bootargs: ddr_mem = 512M; mem=128M; ramdisk_size = 81920; Then my board can't finish start.

My RDK is dvr_rdk_03.50

Print information is as follows:

RAMDISK: gzip image found at block 0

PHY: 0:01 - Link is Up - 100/Full

swapper invoked oom-killer: gfp_mask=0x200d0, order=0, oom_adj=0, oom_score_adj=0

[ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Kernel panic - not syncing: Out of memory and no killable processes...

  • 0
    TI__Guru**** 170625 points

    Hi Chi,

    chunhong chi said:
    My bootargs: ddr_mem = 512M; mem=128M

    From what I understand, you have DDR3 RAM of 512MB on your system? I am not familiar with RDK, as I am working on EZSDK, in EZSDK when we have 512MB DDR3 RAM, we pass 176MB to the linux kernel. Can you try this on your side.

    http://processors.wiki.ti.com/index.php/EZSDK_Memory_Map#Changing_Memory_Map_For_512MB_DM816x_Board

    http://processors.wiki.ti.com/index.php/EZSDK_Memory_Map#Step_2.1:_Change_Linux_Memory_size

    See also the below e2e thread, might be in help:

    http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/t/351873.aspx

    Regards,
    Pavel