[linux-dvb] Re: panic or freeze on PPC with kernel 2.6.x

[Johannes Stezenbach <js@linuxtv.org>]

Christoph Ewering wrote:
> I am new to this list and I am not a programmer, but I found a problem 
> I can not solve by myself. I am running vdr on an Apple Macintosh 
> PowerPC with a Siemens DVB-C card version 1.5. This worked with out a 
> problem with an old beige G3 and kernel 2.4.x but then I switched to an 
> G4 and to kernel 2.6.x.
> 
> Now I have one serious problem: Every program that wants to grab a 
> picture from the dvb-card crashes the computer. For example when I want 
> to grab a picture with vdradmin the computer panics or freezes. The 
> computer does not answer pings, no reaction on keyboard or mouse, the 
> cursor stops blinking thats it. Another example when I run xawtv the 
> computer freezes as soon as xawtv wants to display the TV-picture on 
> the monitor. Because I am not a programmer I can not track this error 
> down, but I did some testing and this is what I found out:
> 
> The problem does not exists in kernel 2.4.x and driver-source 
> 2003-08-11:
> kernel 2.4.28 (selfmade) + DVB-driver 2003-08-11 (selfmade) + vdr 1.2.6 
> (debian-package) - everything is okay
> kernel 2.4.28 (selfmade) + DVB-driver 2003-08-11 (selfmade) + vdr 
> 1.3.17 (selfmade) - everything is okay
> 
> I get a crash or freeze with every versions of kernel 2.6.x I have 
> tested:
> 2.6.7 debian-package,
> 2.6.8.1 selfmade,
> 2.6.8 debian-package,
> 2.6.9 selfmade
> 
> So looks to me that the dvb-driver that is included with the 
> 2.6.x-kernel-sources has a problem with PowerPC. (endian-problem?)

What exactly is "DVB-driver 2003-08-11"?
Do the drivers from dvb-kernel CVS, linux_2_4 branch work?
Does xawtv crash both with overlay and grabdisplay mode?

Johannes