1*4f4cfa6cSMauro Carvalho ChehabClearing WARN_ONCE 2*4f4cfa6cSMauro Carvalho Chehab------------------ 3*4f4cfa6cSMauro Carvalho Chehab 4*4f4cfa6cSMauro Carvalho ChehabWARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once. 5*4f4cfa6cSMauro Carvalho Chehab 6*4f4cfa6cSMauro Carvalho Chehabecho 1 > /sys/kernel/debug/clear_warn_once 7*4f4cfa6cSMauro Carvalho Chehab 8*4f4cfa6cSMauro Carvalho Chehabclears the state and allows the warnings to print once again. 9*4f4cfa6cSMauro Carvalho ChehabThis can be useful after test suite runs to reproduce problems. 10