Re: [crash] af9005_usb_module_init(): BUG: unable to handle kernelpaging request at ff100000

[Luca Olivetti]

En/na Ingo Molnar ha escrit:
> * Daniel Walker <dwalker@xxxxxxxxxx> wrote:
>
> > On Tue, 2009-02-03 at 18:28 +0100, Ingo Molnar wrote:
> > > FYI, -tip qa keeps triggering this bootup crash occasionally, ever since 
> > > June 2008 when a DVB merge brought in this new driver:
> > It looks like it could be a config problem.. The crash happens around 
> > these two symbol "af9005_rc_keys", and "af9005_rc_keys_size" , and they 
> > are both defined inside af9005-remote.c different from where the init 
> > functions is lcoated .. af9005-remote.c needs a special config 
> > CONFIG_DVB_USB_AF9005_REMOTE to get compiled which you have disabled..
>
> ok - but it shouldnt crash, obviously.

Did you try my suggestion I sent the past December 26th?
Quote:

El Fri, 26 Dec 2008 11:08:33 -0200
Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> escribió:
> > Luca,
> >
> > Could you please verify this issue?

No, I don't have 2.6.28, but I guess that maybe once usb_register is
called the dvb-usb subsystem asynchronously (is that an smp system?)
starts polling the remote before the rc_decode function pointer has been
initialized.
Could you try to initialize it to NULL before calling usb_register?

Bye
--
Luca
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/