3.0.8 kinteractiveup task hung

[ZubairLK]

If you compile the kernel with CONFIG_DETECT_HUNG_TASK=y

[ 240.] INFO: task kinteractiveup:64 blocked for more than 120 seconds.
[ 240.] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.] kinteractiveup D 00000000 0 64 2 0x00100000
[ 240.] Stack : 00000003 00000001 00000000 8003ca80 00000000 00000000 00000000 00000000
[ 240.] 8c031e44 8c031e40 10000000 00000000 80484244 00000000 00000000 00000000
[ 240.] 8c031e30 00000000 80484244 00000000 00000000 00000000 00000000 00000000
[ 240.] 00000000 800735f0 00000000 00000000 00000000 00000000 00000000 00000000
[ 240.] 00000000 00000000 dead4ead ffffffff ffffffff 8c3cfefc 8c3cfefc 81c0cfa0
[ 240.] ...
[ 240.] Call Trace:
[ 240.] [<8066c218>] __schedule+0x2b8/0x7fc
[ 240.] [<800735f0>] kthread+0x6c/0x90
[ 240.] [<8001e9ac>] kernel_thread_helper+0x10/0x18
[ 240.]
[ 300.] JZ4780-EFUSE: vddq_set 0
[ 360.] INFO: task kinteractiveup:64 blocked for more than 120 seconds.
[ 360.] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 360.] kinteractiveup D 00000000 0 64 2 0x00100000
[ 360.] Stack : 00000003 00000001 00000000 8003ca80 00000000 00000000 00000000 00000000
[ 360.] 8c031e44 8c031e40 10000000 00000000 80484244 00000000 00000000 00000000
[ 360.] 8c031e30 00000000 80484244 00000000 00000000 00000000 00000000 00000000
[ 360.] 00000000 800735f0 00000000 00000000 00000000 00000000 00000000 00000000
[ 360.] 00000000 00000000 dead4ead ffffffff ffffffff 8c3cfefc 8c3cfefc 81c0cfa0
[ 360.] ...
[ 360.] Call Trace:
[ 360.] [<8066c218>] __schedule+0x2b8/0x7fc
[ 360.] [<800735f0>] kthread+0x6c/0x90
[ 360.] [<8001e9ac>] kernel_thread_helper+0x10/0x18
[ 360.]

Btw. I have deleted the ms in the dmesg times to make it easier to read here.