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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Soeren Moch <smoch@web.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler"
Date: Sat, 1 Jun 2019 13:02:47 +0200	[thread overview]
Message-ID: <20190601110247.v4lzwvqhuwrjrotb@linutronix.de> (raw)
In-Reply-To: <20190601105008.zfqrtu6krw4mhisb@linutronix.de>

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

  reply	other threads:[~2019-06-01 11:02 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31 21:53 [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler" Soeren Moch
2019-05-31 22:05 ` Greg Kroah-Hartman
2019-05-31 23:02   ` Soeren Moch
2019-06-01 10:50     ` Sebastian Andrzej Siewior
2019-06-01 11:02       ` Sebastian Andrzej Siewior [this message]
2019-06-03 12:50         ` Sören Moch
2019-06-12 10:38         ` Soeren Moch
2019-06-12 14:38           ` Alan Stern
2019-06-12 14:47             ` Sebastian Andrzej Siewior
2019-06-17 10:12               ` Soeren Moch
2019-06-03 12:47       ` Sören Moch

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