Hello everybody;
Through the obtaining data with MCBSP1 using DMA on OMAP3530 processor, i get following error:
INFO: task mcbsp_usr-dma:4229 blocked for more than 120 seconds.
[ 853.129608] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 853.137512] mcbsp_usr-dma D c03e5c28 0 4229 1579 0x00000001
[ 853.143829] [<c03e5c28>] (schedule+0x2e4/0x370) from [<c03e6270>] (schedule_timeout+0x18/0x1c8)
[ 853.152618] [<c03e6270>] (schedule_timeout+0x18/0x1c8) from [<c03e60f8>] (wait_for_common+0xf0/0x1a4)
[ 853.161956] [<c03e60f8>] (wait_for_common+0xf0/0x1a4) from [<c0054d80>] (omap_mcbsp_recv_buffer+0x17c/0x1d4)
[ 853.171905] [<c0054d80>] (omap_mcbsp_recv_buffer+0x17c/0x1d4) from [<bf038144>] (mcbsp_drv_ioctl+0x94/0x324 [mcbsp_old])
[ 853.182891] [<bf038144>] (mcbsp_drv_ioctl+0x94/0x324 [mcbsp_old]) from [<c00d2450>] (vfs_ioctl+0x7c/0xac)
[ 853.192535] [<c00d2450>] (vfs_ioctl+0x7c/0xac) from [<c00d2a84>] (do_vfs_ioctl+0x518/0x578)
[ 853.200988] [<c00d2a84>] (do_vfs_ioctl+0x518/0x578) from [<c00d2b1c>] (sys_ioctl+0x38/0x5c)
[ 853.209442] [<c00d2b1c>] (sys_ioctl+0x38/0x5c) from [<c003b000>] (ret_fast_syscall+0x0/0x2c)