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Re: inconsistent lock state



On Wed, 2006-07-26 at 20:41 +0200, Dan Horák wrote:
> > Jul 24 14:56:19 lat kernel: =================================
> > Jul 24 14:56:19 lat kernel: [ INFO: inconsistent lock state ]
> > Jul 24 14:56:19 lat kernel: ---------------------------------
> > Jul 24 14:56:19 lat kernel: inconsistent {hardirq-on-W} -> {in-hardirq-W} usage.
> 
> I am seeing such messages quite regulary when starting a connection over
> CDMA USB modem, kernel 2.6.17-1.2405 on i686. And also I am getting
> 
> Jul 22 09:19:08 certp kernel: 
> Jul 22 09:19:08 certp kernel:
> =========================================================
> Jul 22 09:19:08 certp kernel: [ INFO: possible irq lock inversion
> dependency detected ]
> Jul 22 09:19:08 certp kernel:
> ---------------------------------------------------------
> Jul 22 09:19:08 certp kernel: ksoftirqd/0/3 just changed the state of
> lock:
> Jul 22 09:19:08 certp kernel:  (&ap->xmit_lock){-+..}, at: [<f9277226>]
> ppp_async_push+0x2f/0x3ae [ppp_async]
> Jul 22 09:19:08 certp kernel: but this lock took another,
> soft-irq-unsafe lock in the past:
> Jul 22 09:19:08 certp kernel:  (&port->lock){--..}
> 
> 
> Is there a Bugzilla entry where I could contribute?

Hi,

this is a different one most likely so please file this (and abit more
of it) as a new bugzilla.... 

Greetings,
   Arjan van de Ven


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