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

[Erik van Zijst]

Erik van Zijst wrote:
> So far all tests have been done using 64 bit distro's and kernels.

I've just tried a fresh, vanilla 32-bit Ubuntu 7.10 install (kernel 
2.6.22-14), but this still exhibits the same kernel freeze (albeit after 
a bit more time).

Could this somehow be a firmware issue, or should a firmware or badly 
behaving card never crash the driver?

Erik


> 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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> 
> 
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