[linux-dvb] Re: OOPS with budget card + cam (in dvb_ca_en50221_io_write)

[Holger Waechtler <holger@qanu.de>]

Andrew de Quincey wrote:

> On Monday 13 Sep 2004 13:55, Andrew de Quincey wrote:
>  
> > On Sunday 12 Sep 2004 20:21, Carlo E. Prelz wrote:
> >    
> > > Subject: Re: [linux-dvb] OOPS with budget card + cam (in
> > > dvb_ca_en50221_io_write) Date: sab, set 11, 2004 at 10:33:46 +0200
> > >
> > > Quoting Carlo E. Prelz (fluido@fluido.as):
> > >      
> > > > > Hi - yeah, I fixed a couple of issues in CVS within the last month
> > > > > which might fix what you're seeing - the main problem was a locking
> > > > > issue during IRQs.
> > > > >          
> > > > Good to read this. Will put the latest CVS to the test in half an
> > > > hour. Good news will be no news ;-)
> > > >        
> > > Sadly I have some news = bad news. I had another oops:
> > >      
> > [snip]
> >
> > Bah! OK, I'll have a look into it later. Thanks for the log.
> >    
> Hi, this is coming from the middle of the msleep() call in 
> dvb_ca_en50221_io_write() - nothing to do with me (heheheh! :)
>
> You're using kernel 2.6.8.1. I had to downgrade to 2.6.7 because of massive 
> problems with that kernel (specifically NFS, but this looks like the same 
> kind of error). Do you have the preemptible kernel stuff turned on? That was 
> what caused it for me.
>  
In which context is this code running? Should it get delayed and get 
processed in a work queue?

Holger