Dear Stanislaw, Thank you. On Thu, 17 Feb 2011 13:23:26 +0100 Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote: > On Wed, Feb 16, 2011 at 09:52:01AM -0500, John W. Linville wrote: > > On Wed, Feb 16, 2011 at 02:17:07PM +0900, Takashi Kawamoto wrote: > [snip] > > My guess would be that somehow you are leaking hif_dev->tx.tx_lock, > > and then hanging when trying to retake it in hif_usb_send_tx. > > Unfortunately, it is not obvious to me how that might happen... > Perhaps CONFIG_LOCKDEP could give some more info. I see. I'll try it. > > > > CPU : ARM11MP > > > Kernel : 2.6.33 (SMP enabled) > What about newer kernels .35 , .37, .38-rcX ? I've not tried to use those. > > > > (2) When multi processor mode is enabled > > > When SMP option of the kernel is disabled (CONFIG_SMP=m), this > > > panic doesn't occur. > For CONFIG_PREEMPT=n and CONFIG_SMP=n spin locks are compiled out from > kernel, they are simply not needed. The same goes on CONFIG_PREEMPT=n and CONFIG_SMP=y ? I want to avoid this crash with SMP enabled. Best Regards, Takashi Kawamoto > > Stanislaw > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html ================================================== Takashi Kawamoto (E-Mail : tkawamoto@xxxxxxxx) silex technology,Inc. Software Engineering Division Phone:+81-774-98-3877 FAX:+81-774-98-3678 ================================================== -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
