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notify_send_event failed! status = 0xfffffff0错误

DM8168开发板使用ezsdk,执行modprobe vpss sbufaddr=0xBFB00000 mode=hdmi:1080p-60,dvo2:1080p-60,hdcomp:1080p-60 i2c_mode=1时出现错误,反复打印notify_send_event failed! status = 0xfffffff0 notify_shm_drv_sendevent failed! status = 0xfffffff0不知道是什么原因,急!!bootargs设置为 setenv bootargs 'console=ttyO0,115200n8 rootwait rw mem=364M@0x80000000 mem=320M@0x9FC00000 vmalloc=500M notifyk.vpssm3_sva=0xBF900000 root=/dev/mmcblk0p2 rootfstype=ext3 ip=off''

非常感谢!!