Hi Dimitry,
Are you working with TI EVM board or
[quote]
[ 0.959778] CAN device driver interface
[ 0.964969] c_can_platform 481cc000.d_can: c_can_platform device registered (regs=fa1cc000, irq=68)
[ 0.974736] c_can_platform 481d0000.d_can: can't request region for resource[mem 0x44e10644-0x44e10647]
[ 0.984713] c_can_platform 481d0000.d_can: control memory is not used for raminit
[ 0.993278] c_can_platform 481d0000.d_can: c_can_platform device registered (regs=fa1d0000, irq=71)
[/quote]
Have you changed the D_CAN driver in linux ?
Have you tried to increase the RAM size ?
mem=1024M