Re: [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler"

From: Sebastian Andrzej Siewior
Date: Sat Jun 01 2019 - 07:06:47 EST


On 2019-06-01 12:50:08 [+0200], To Soeren Moch wrote:
> I will look into this.

nothing obvious. If there is really blocken lock, could you please
enable lockdep
|CONFIG_LOCK_DEBUGGING_SUPPORT=y
|CONFIG_PROVE_LOCKING=y
|# CONFIG_LOCK_STAT is not set
|CONFIG_DEBUG_RT_MUTEXES=y
|CONFIG_DEBUG_SPINLOCK=y
|CONFIG_DEBUG_MUTEXES=y
|CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y
|CONFIG_DEBUG_RWSEMS=y
|CONFIG_DEBUG_LOCK_ALLOC=y
|CONFIG_LOCKDEP=y
|# CONFIG_DEBUG_LOCKDEP is not set
|CONFIG_DEBUG_ATOMIC_SLEEP=y

and send me the splat that lockdep will report?

> > Thanks,
> > Soeren

Sebastian