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Hi,
Could anyone help me to analyse the following issue? I just understand
that during atomic operation my driver might call some methods that can cause
scheduling. I don’t know where
the problem is. Could anyone help me to figure it out? BUG: scheduling while
atomic: ird.out/0x00000001/734 Call trace: [<8468e4b0>]
__switch_to_end+0x526/0x556 [<84437000>]
hrtimer_cancel+0x0/0x20 [<8468faa4>]
do_nanosleep+0x84/0xc0 [<844376da>]
ktime_get_ts+0x1a/0x60 [<84437066>]
enqueue_hrtimer+0x46/0x80 [<844372ae>]
hrtimer_start+0x4e/0x120 [<8468faa4>]
do_nanosleep+0x84/0xc0 [<84437260>]
hrtimer_start+0x0/0x120 [<8468dc40>]
schedule+0x0/0x314 [<84437000>]
hrtimer_cancel+0x0/0x20 [<8443742c>] hrtimer_nanosleep+0x2c/0x140 [<84436ec0>]
hrtimer_wakeup+0x0/0x20 [<844375ac>]
sys_nanosleep+0x6c/0x80 [<8440519c>]
syscall_call+0xc/0x10 [<84437540>]
sys_nanosleep+0x0/0x80 |