Re: 2.6.15-mm4: sem2mutex problem in USB OHCI

From: Rafael J. Wysocki
Date: Sun Jan 15 2006 - 10:28:46 EST


On Sunday, 15 January 2006 05:38, Ingo Molnar wrote:
>
> * Andrew Morton <akpm@xxxxxxxx> wrote:
>
> > > Badness in __mutex_trylock_slowpath at kernel/mutex.c:281
> > >
> > > Call Trace: <IRQ> <ffffffff80148d8d>{mutex_trylock+141}
> > > <ffffffff880abaf0>{:ohci_hcd:ohci_hub_status_data+480}
> > > <ffffffff802d25d0>{rh_timer_func+0} <ffffffff802d24c3>{usb_hcd_poll_rh_status+67}
>
> > err, taking a mutex from softirq context.
>
> hm. For now, the patch below undoes the struct device ->mutex
> conversion.

That helps, thanks.

Rafael
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