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

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Saturday 11 Sep 2004 08:45, Carlo E. Prelz wrote:
> Hello all. I had been happily using a Hauppauge budget card with
> CI/CAM interface, using home-brewed software, as already reported to
> this list. Everything was working smoothly until I decided to upgrade
> a series of components (including kernel version, compiler, libraries,
> etc. but NOT CHANGING the part of my software that deals with the
> CAM). I have upgraded the DVB code to what was included in the CVS as
> of 5 September.
>
> The software works non-stop, collecting 10-second chunks of video from
> various (both encrypted and non-encrypted) stations.
>
> Now, once every few days, the processes geberates an OOPS, and then
> freezes. if I kill it from outside, it becomes a zombie process
> (marked as <defunct> in ps output, even when its parent is
> terminated). The existence of the process does not allow me to remove
> and reinstall the DVB modules, and thus the machine needs to be
> rebooted.

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.