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

Erik van Zijst linux-dvb at erik.prutser.cx
Tue Jan 1 14:44:31 CET 2008


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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