[linux-dvb] Consistent kernel crash on latest hg repo with 2.6.24-rc6

Erik van Zijst linux-dvb at erik.prutser.cx
Wed Jan 2 10:01:38 CET 2008

Please advise on how to approach this problem. Since there's no kernel 
panic being printed to the console, I suppose using things like LKCD to 
obtain a crash dump won't do anything..

So far all tests have been done using 64 bit distro's and kernels.


Erik van Zijst wrote:
> Hi folks,
> Since I installed a TechnoTrend 1500 Budget (with optional budget-ci CAM 
> board), my kernel crashes completely everytime I run a frequency scan 
> using the w_scan utility. There's no kernel panic message or anything 
> printed to the tty, just instant death.
> The server box (dual quadcore Xeon) ran perfectly stable until I 
> installed the T-1500 last week, and still runs stable as long as I don't 
> use the card.
> I started out using a stock 2.6.22-something kernel (vanilla Fedora 8 
> and Ubuntu 7.10 server), then switched to 2.6.24-rc6 (generated at 
> 2007-12-21) and finally tried today's trunk of 
> http://linuxtv.org/hg/v4l-dvb using hg, on top of my 2.6.24-rc6 kernel. 
> Yet, every combination dies.
> The kernel usually dies the first time "w_scan -x" 
> (http://wirbel.htpc-forum.de/w_scan/index2.html version 20071209) is run 
> and then usually dies near the end when w_scan prints "tune to:". 
> Occasionally it takes more than one run before it crashes. The box is 
> idle during the scan and there's no other PCI activity.
> I'm using firmware dvb-fe-tda10046.fw, installed using get_dvb_firmware.
> regards,
> Erik van Zijst
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> linux-dvb at linuxtv.org
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