[ivtv-users] HVR-1600 driver issue in CentOS 5.2

Tony Sarathchandra tsarathchandra at yahoo.com
Wed Dec 24 22:33:46 CET 2008


Also modprobe -r of the cx18 module at any points ends up with a 
> kernel soft lockup as below which is only recoverable via a reboot. 
> 
> http://thinkspace.ath.cx/stuff/Kernel_lockup_bug.txt 
> Was there some problem with the build process perhaps? 

Perhaps. It could also be problems with the new infrastructure changes. 
In which case Hans would be interested if you can narrow it down to that 
or not. 

>From what I can read in the lockup messages, the cx18 driver was trying 
to unload and when calling v4l2 and i2c infrastructure functions, 
something hung up for 10 seconds. (Maybe waiting on a lock that 
something in your kernel never released?) 

Andy, 
	thanks for the quick response. I managed to fix the module unload
problems by selecting "Enable drivers not supported by this kernel" at
compile time. It didn't occur to me to have this enabled earlier as I just
ran with the defaults.  I will try some of your other suggestions and report
back shortly.

Thanks

Tony

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