MPP Bug
使用板子默认带用户firefly执行没问题，当我新增一个用户，其groups设置为adm,sudo,plugdev，使用MPP解码出现出错，MPP无法初始化，错误如下：mpi: mpp version: 5849089 author: Herman Chen : Add temporally patch for blocking issue
h264e_api: h264e_config MPP_ENC_SET_RC_CFG bps 6480000
mpp_device: mpp_device_send_reg ioctl VPU_IOC_SET_REG failed ret -1 errno 14 Bad address
mpp_device: mpp_device_wait_reg ioctl VPU_IOC_GET_REG failed ret -1 errno 110 Connection timed out
mpp_device: mpp_device_send_reg ioctl VPU_IOC_SET_REG failed ret -1 errno 14 Bad address
^C
mtd@firefly:~/mtd$ mpp_device: mpp_device_wait_reg ioctl VPU_IOC_GET_REG failed ret -1 errno 110 Connection timed out
mpp_device: mpp_device_send_reg ioctl VPU_IOC_SET_REG failed ret -1 errno 14 Bad address
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