Thanks Rick,
I solved the problem today afternoon. It was due to clock startup of xmega. initlcd did it.
Other aspects of vport were explained by Mark. But xmega internal clock seems to have slow startup.
And if we init the lcd before that, it gets confused.
Now 40 x 4 LCD is working fine. I am happy. BASCOM list members and Mark himself are very helpful.
Best Regards,
Devidas
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