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DSPC 8681e J2K Decoder Demo

HI

i am executiing J2K Decoder in LInux OS for DSPC 8681E. I get an error 

[ERROR] FileReaderThread(1) : Made 38738 attempts to allocate host input buffer.

Till this i am not getting any error, everything was working fine, when i download the demo program and display it i get this error. I couldnt find what is the reason for it. While i was trying to uninstall the GRUB In Desktop linux SDK, I am getting this as error. What does it mean. 

cripts$ ./uninstall_grub.sh
Grub configuration line getting replaced to remove reserved memory for PCIE access
Current line: GRUB_CMDLINE_LINUX="mem=5624M "
Original line to be restored: GRUB_CMDLINE_LINUX="mem=5624M "
CAUTION: This will free up the reserved memory for general usage
Please confirm to replace line(Y/n)
y
GRUB NOT configured. Check parameters.

Awaiting your guidances