Re: irtty_sir cannot be unloaded

Jean Tourrilhes (jt@bougret.hpl.hp.com)
Thu, 22 May 2003 18:13:49 -0700


On Fri, May 23, 2003 at 03:10:00AM +0200, Stian Jordet wrote:
> fre, 23.05.2003 kl. 01.36 skrev Jean Tourrilhes:
> > Stian Jordet wrote :
> > >
> > > Module irtty_sir cannot be unloaded due to unsafe usage in
> > > include/linux/module.h:456
> > >
> > > I get this message when trying to use irda with 2.5.x. I know it has
> > > been there for a long time, but since nothing happens
> >
> > This is fixed in the patches I've send to Jeff :
> > http://marc.theaimsgroup.com/?l=linux-kernel&m=105286597418927&w=2
> > Just be patient ;-)
>
> Well, this got rid of the warning :) But actually when I stop irattach
> (using Debian's init-script (/etc/init.d/irda stop)) my computer
> freezes. This works (of course) fine with 2.4.21-rc2. I thought the
> problem was the module unloading, but it seems to be something with
> irattach instead. Sorry about that.

Disable HotPlug in your kernel and recompile. Various network
people have been notified of this bug, but this is not an easy one.

> It works, but I get lots of weird/ugly/different messages. This is with
> a SonyEricsson P800. Except for those annoying messages in my logs, it
> works perfect :-)
>
> irlap_change_speed(), setting speed to 9600
> sirdev_open - done, speed = 0
> sirdev_schedule_request - state=0x0700 / param=9600
> sirdev_schedule_request - down
> irda_config_fsm - up

Yeah, Martin should increase the debug level.

> I see I have gotten a ircomm_tty can't be unloaded as well.

This has been fixed in the latest BK.

> Hmm. Well,
> as I said, it works perfect, except for stopping irattach.
>
> Thanks.
>
> Best regards,
> Stian

Have fun...

Jean
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